User's Guide
Mega-Post PCI-Diagnostic Card
User's Guide
1
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User's Guide
Power On Self-Test (POST) Codes
Most AT and 386 computers (and a few XT computers) output status codes during POST. The
Diagnostic Card displays these codes during and after POST. Refer to Appendix A for a comprehensive listing
of POST codes provided by BIOS manufacturers.
PCI Signal Definition:
CLK
Motherboard Clock Signal. Should be on when power is supplied to the
motherboard even without CPU.
BIOS
BIOS Read Signal. Flashes when CPU reads BIOS code.
Device Ready. Flashes when an IRDY signal is detected.
ISA Oscillation Indicator. Indicate ISA Oscillation Signal is available.
PCI Bus Frame. Should be on under normal circumstances and flashes
when a PCI Frame Signal is detected.
IRDY
OSC
FRAME
RST
12V
-12V
5V
Reset. After power on or reset, this indicator should be on for an half
second and then turned off.
Power Supply, 12-Volt Positive. Should be on all the time otherwise there
is a short circuit.
Power Supply, 12-Volt Negative. Should be on all the time otherwise there
is a short circuit.
Power Supply, 5-Volt Positive. Should be on all the time otherwise there is
a short circuit.
-5V
3V3
Power Supply, 5-Volt Negative. Should be on all the time otherwise there
is a short circuit.
Power Supply, 3.3-Volt. Some motherboards have 3.3V power supply to
PCI slots. This indicator should be on if the motherboard supplies 3.3V
power.
Installing the Mega-Post PCI-Diagnostic Card
Installation Procedure
TO INSTALL A Diagnostic Card:
1) Install the Diagnostic Card in any available PCI or ISA expansion slot.
2) Connect the second display by flat cable
3) Connect the build-in speaker and motherboard with speaker cable
4) Power on the machine.
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User's Guide
POST Codes
When the machine is turned on, the hexadecimal display should show the various POST codes as
the system executes (unless it has a rare BIOS that does not display POST codes).
If the machine does not boot, system POST has detected a fatal fault and stopped. The number
showing in the hexadecimal display on the Diagnostic Card is the number of the test in which
POST failed. Refer to Appendix A for a listing of POST codes.
Troubleshooting During POST
After initial power up, Power-On Self-Test (POST) codes begin displaying on the Diagnostic
Card's hexadecimal displays (for most machines).
NOTE: A few machines use the parallel port to display POST codes instead of the Diagnostic
Card.
THE POST PROCESS
The ROM built onto the motherboard of the computer rums its built-in POST (Power-On Self-Test)
when you switch power on to the computer, press the reset button on the computer, or press Ctrl-Alt-Del (warm
boot). POST performs a tightly interwoven initialization and testing process
for each of these methods, but it typically does not test or initialize memory above 64K for warm
boot. You can get an even better idea of the detailed process by studying the POST code listings in
Appendix A.
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Appendix A
Error Code-00
AMI
AMI
(00)Going to give control to INT 19H boot loader.
Error Code-01
(01)Processor register test about to start, and NMI to be disabled,286 reg. test about
to start.
(01)Processor test 1;Processor status(1FLAGS) verification; Tests the following processor
status flags carry, zero, sign, overflow. The BIOS will set each of these
flags, verify they are set then turn each flag off and verify it is off.
Award
(01)[Beep]=none 80286 register test in -progress.
Phoenix
Error Code - 02
(02)NMI is disabled. Power on delay starting. Power on de- lay starting.286reg.
(02)Test CPU register.
AMI
AST
(02)Processor test 2;Read/write/verify all CPU registers except SS,SP and BP with
data pattern FF&00.Determine status of manufacturing jumper.
Award
Chips&Tech
Dell
(02)Test CPU register.
(02)[Beep]=1-1-3 CMOS write/read test .
(02)Verify real-mode operation(Beep)=1-1-1-3.CPU Flags test.
(02)[Beep]=1-1-3 CMOS write/read test in-progress or failure.
Error Code - 03
Phoenix
Phoenix
(03)Power on delay complete. To check soft reset/power-on. Any initialization
before keyboard BAT is in progress. ROM BIOS checksum(32K at F800:0) passed.
(03)Test 8042 keyboard controller reset.
AMI
AST
(03)Initialize Chips; Disable NMI,PIE,AIE,UEI,SQWV, disable video, parity
checking, DMA; Reset math Coprocessor; Clear all page registers, CMOS shutdown byte;
Initialize timer 0,1 and 2 including set EISA timer to a known
state; Initialize DMA controllers 0 and 1; Initialize interrupt controller 0 and 1;Initialize EISA
extended registers. Calculate BIOS EPROM and sign-on message checksum; fail if not
0.Initialize EISA registers(EISA)BIOS only).Clear 8042 keyboard controller.
Award
Chips & Tech (03)ROM did not checksum.
(03)Disable Non-Maskable Interrupt(NMI).[Beep]=1-1-4 BIOS ROM checksum
in-progress or failure.
Phoenix&Dell
Error Code - 04
(04)Any initialization before keyboard BAT is complete. Reading keyboard SYS
bit, to check soft reset/power-on. Reading keyboard SYS bit, to check soft reset/power On.
Keyboard controller test with and without mouse passed. 8259 initialization OK.
AMI
(04)Low level keyboard communication, keyboard ID verification.
AST
(04)Test memory refresh toggle; RAM must be periodically refreshed in order to
keep the memory from decaying. This function assures that the memory refresh
function is working properly. Test CMOS RAM I/O port interface and verify battery
power is available(bat. status=1).Reset 8042.
Award
Chips & Tech (04)DMA Controller failed.
(04)Get the CPU type (Beep)=1-1-2-1.CPU register test. Programmable Interval
Timer test failure.
Phoenix&Dell
Error Code - 05
(05)Soft reset/power-on determined. Going to enable ROM. i.e. disable shadow
RAM/Cache if any. Going to enable ROM.i.e. disable shadow RAM/cache if any. Chipset
AMI
AST
initialization over, DMA and interrupt controller disabled. CMOS pending interrupt disabled.
(05)Read keyboard input port.
Chips & Tech (05)System timer bad.
(05)Keyboard controller self-test enable keyboard interface. Blank video, Initialize
keyboard; Keyboard controller initialization. Initialize Chips; Disable
NMI,PIE,AIE,UEI, SQ- WV, disable video, parity checking, DMA; Reset math Co-
processor; Clear all page registers,CMOS shutdown byte; Initialize timer 0,1 and 2 including
set EISA timer to a known state; Initialize DMA controllers 0 and 1;Initialize interrupt
controller 0 and 1; Initialize EISA extended Regis- ters.Get manufacturing status, reset if
set(loop 1-5).
Award
Phoenix&Dell (05)[Beep]=1-2-2 DMA initialization in-progress or failure.
5
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Appendix A
Error Code - 06
(06)ROM is enabled. Calculating ROM BIOS checksum, and waiting for Keyboard
controller input buffer to be free. Calculating ROM BIOS checksum.. Video disabled and sys-
tem timer test begin Video disabled and system timer counting
OK.
AMI
AST
(06)Support chipset initialize.
(06)Test memory refresh toggle; RAM must be periodically refreshed in-order to
keep the memory from decaying. This function assures that the memory refresh
function is working properly. Initialize chips.
Award
Chips & Tech (06)64K RAM Failed.
Phoenix&Dell (06)Initialize system hardware (Beep)=1-1-2-3.DMA page register write/read test
in-progress or fail.
Error Code - 07
AMI
(07)ROM BIOS checksum passed. CMOS shutdown register test to be done
next.ROM BIOS checksum passed, Keyboard controller I/B free. Going to issue the
BAT command to keyboard controller. Going to issue the BAT command to keyboard
controller.CH-2 of 8254 initialization half way.CH-2 of 8253 test OK
(07)Verifies CMOS's basis R/W functionality Test CMOS interface and battery
status; Verifies CMOS is working correctly, detects bad battery. Setup low memory;
Early chip set initialization; Memory presence test; OEM chip set routines; Clear
low 64K of memory; Test first 64K memory; clear lower 256K of memory, enable
parity checking and test parity in lower 256K; test lower 25 If the BIOS detects
error 2C,2E,or 30(base 512K RAM error),it displays 6K memory. Set up stack,beep.
Read/write/verify CPU registers.
Award
Chips & Tech (07)64K RAM failed data test (Base Memory)
Error Code - 08
ACER
AMI
(08)Shutdown 0.
(08)CMOS shutdown register test done. CMOS checksum calculation to be done
next. BAT command to keyboard controller is issued. Going to verify the BAT command.
Going to verify the BAT command. CH-2 of timer initialization over.
CH-2 delta count test OK
(08)Setup low memory; Early chip set initialization; Memory presence test; OEM
chip set routines; Clear low 64K of memory; Test first 64K memory; clear lower
256K of memory, enable parity checking and test parity in lower 256K; test lower
256K memory. Set up stack, beep. Setup interrupt vector table in lower 1K RAM
area; Initialize first 120 interrupt vectors with SPURIOUS_INT_HDLR and initialize INT 00h-
1Fh according to INT_TBL. Initialize CMOS timer.
Award
Chips & Tech (08)Interrupt Controller bad.
Phoenix&Dell (08)Initialize chipset registers with POST values. [Beep]= 1-3-1 RAM refresh
verification in-progress or failure.
Error Code - 09
AMI
(09)CMOS checksum calculation is done, CMOS diag byte written. CMOS initialize to begin.
Keyboard controller BAT result verified. Keyboard command
byte to be written next.(09)Keyboard command byte to be written next. CH-1 of
timer initialization over. CH-1 delta count test OK.
(09)Verify BIOS ROM checksum, flush external cache.
AST
(09)Program the configuration register of Cyrix CPU. OEM specific cache initialization., Early
Cache initialization; Cyrix CPU initialization; cache initialization. Test CMOS RAM
checksum; beep; also test extended storage of parameters in the motherboard chipset; if not
warm- booting; display the Test
Award
CMOS RAM checksum message, if bad, or insert key pressed, load defaults if bad.
Check BIOS Checksum.
Chips & Tech (09)Unexpected interrupt is occurring.
Phoenix&Dell (09)Set POST flay.(Beep)=1-1-3-2. 1st 64K RAM test in-progress.
Error Code - 0A
AMI
(0A)CMOS initialization done(if any). Keyboard command byte code is issued.
Going to write command byte data. Go- ing to write command byte data. CH-0 of
timer initialization over. CH-0 delta count test OK
(0A)Initialize the first 32 interrupt vectors. Initialize INTs 33 to 120.Early Power Management
initialization. Setup interrupt vector table in lower 1K RAM area; Initialize first 120 interrupt
vectors with SPURIOUS_INT_HDLR and initialize
Award
INT 00h-1Fh according to INT_TBL. Initialize key- board; Detect type of keyboard
controller(optional 8242 or 8248, with Nedadon XOR gate control); Set NUM_LOCK status.
Reset keyboard test keyboard controller interface to verify it
returned AAH and responded to enable/disable commands, set keyboard buffer,
enable keyboard and keyboard interrupts for normal use, beep, halt .Initialize Video
controller.
Chips & Tech (0A)Timer cannot interrupt.
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Appendix A
Phoenix&Dell (0A)Initialize CPU registers. (Beep)=1-1-3-3. Perform BIOS checksum test. 1st
64K RAM chip or data line failure multi-bit.
Error Code - 0B
AMI
CMOS status register initialize done. Keyboard controller command byte is written.
Going to issue Pin-23,24 block- ing/ unblocking command. Going to issue pin-23,24 blocking/
nubolcking command. Refresh started. Parity status cleared
(0B)Verify the RTC time is valid or not. Detect bad battery. Read CMOS data into
BIOS stack area. Perform PnP initializations. Assign I/O & Memory for PCI devices (PCI
BIOS Only). Test CMOS RAM checksum; beep; also test extended storage of parameters in the
motherboard chipset; if not warm-booting, display the
Award
Test CMOS RAM check- sum message, if bad, or insert key pressed, load defaults
if bad. Initialize video interface; Detect CPU clock; Read CMOS location 14b to
find out type of video in use; Detect and initialize video adapter. 8254 timer, channel 0 test.
Chips & Tech (0B)CPU protected mode.
Phoenix&Dell (0B)Enable CPU Cable-Check CPU Jumpers. [Beep]=1-3-4 1st 64K RAM
odd/even logic failure.
Error Code - 0C
AMI
(0C)KB controller I/B free. Going to issue the BAT command to keyboard
controller. Pin-3,24 of keyboard controller is blocked/unblocked. NOP command of
key- board controller to be issued next. NOP command of key- board controller to
be issued next. System timer started. Refresh & system timer OK
(0C)Initialization of the BIOS data area(40:00-40:FF). Initialize keyboard; Detect
type of keyboard controller (optional 8242 or 8248, with Nedadon XOR gate control); Set
NUM_LOCK status. Reset keyboard test keyboard controller interface
to verify it returned AAH and responded to enable/disable commands, set keyboard
buffer, enable keyboard and keyboard interrupts for normal use,beep,halt.8254
timer, channel 1 test.
Award
Chips & Tech (0C)DMA register failure.
Phoenix&Dell (0C)Initialize cache to initial POST value. Test DMA page registers. [Beep]=1-4-1
1st 64K RAM address line failure.
Error Code - 0D
AMI
AST
(0D)BAT command to keyboard controller is issued. Going to verify the BAT command. NOP
command processing is done. CMOS shutdown register test to be
done next. CMOS shutdown register test to be done next. Refresh link toggling
passed. Refresh link toggling passed.
(0D)(Beeps)=13 short,8254 timer register.
Chips & Tech (0D) (Beeps)=14 short, Refresh failure.
Award (0D)Program some of the chipset's value. Measure CPU speed for display. Video
initialization including MDA, CGA,EGA/VGA. Initialize video interface; Detect
CPU clock; Read CMOS location 14b to find out type of video in use; Detect and initialize
video adapter. OEM specific-Initialize motherboard special chipset as
required by OEM; initialize cache controller early, when cache is separate from chipset.8254
timer, channel 2 test.
Phoenix&Dell (0D)[Beep]=1-4-2 1st 64K RAM parity test in progress or failure.
Error Code - 0E
(0E)(Beeps)=14 short, ASIC registers.
(0E)Keyboard controller BAT result verified. Any initialization after KB controller
BAT to be next. CMOS shutdown register R/W test passed. Going to calculate CMOS
checksum, and update DIAG. Goint to calculate CMOS checksum,and
update DIAG Byte. Refresh period ON/OFF 50% OK
AST
AMI
(0E)Initialize the APIC(Multi-Processor BIOS only). Test video RAM(If Monochrome display
device found). Show startup screen message. Test video memory; Test video memory, write
sign-on message to screen. Setup shadow RAM-Enable shadow according to setup. Test COMS
Shutdown byte.
Award
Chips & Tech (0E)(Beeps)=14 short, Keyboard controller failure.
Phoenix
(0E)Initialize I/O.(Beep)=1-1-4-3. Test 8254 timers.
Error Code - 0F
AMI
(0F)initialization after KB controller BAT done. Keyboard command byte to be
written next. CMOS checksum calculation is done, DIAG byte written. CMOS Init.
To begin(If "INIT CMOS IN EVERY BOOT IS SET").CMOS initialization to begin(If "INIT
CMOS IN EVERY BOOT IS SET").
AST
Award
(0F)(Beeps)=15 short,CMOS RAM shutdown.
(0F)DMA channel 0 Test. Test DMA controller 0; BIOS checksum test, keyboard
detect and initialization. Test Extended CMOS.
Chips & Tech (0F)(Beeps)=15 short, Protected mode failure.
Phoenix
(0F)Initialize the local IDE
Error Code - 10
AMI
(10)KB controller command byte is written. Going to issue pin-23,24
blocking/unblocking command. CMOS initia- lization done(if any). CMOS status
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Appendix A
blocking/unblocking command. CMOS initia- lization done(if any). CMOS status
register about to Init for Date and Time. CMOS status register about to Init for Date
and Time. Refresh on and about to start 64K base memory test. Confirmed refresh
ON & about to start 64K memory.
(10)DMA controller test 0 register
AST
(10)DMA channel 1 Test. Test DMA controller 1 with AA, 55,FF,00 pattern.8237
DMA,channel 0 test.
Award
(10)PPI disabled, Program timers 0 & 1.
Compaq
Chips & Tech (10)(Beeps)=19 short, IDT,GDT failure.
lize
8254
Phoenix&Dell (10)Initialize
Power
Management.(Beep)=1-2-1-1.Initia-
timers.[Beep]=2-1-1 1st 64K RAM chip or data line failure-bit 0.
Error Code - 11
AMI
(11)Pin23,24 of keyboard controller is blocked/unblocked. Going to check to check
pressing of <INS>key during power-on.CMOS status register initialized. Going to
disable DMA and Interrupt controllers. Going to disable DMA and interrupt controllers.
Address line test passed. Address line test passed.
AST
Award
(11)DMA controller test register 1.
(11)DMA page register test. Test DMA page registers, use I/O ports to test address
circuits. POST enables user reboot here. Test DMA page registers. FATAL DISPLAY ER-
RORS.8237 DMA, channel 1 test.
(11)Init(blast)VDU controllers.
Compaq
Chips & Tech (11)Register LDT failure.
Phoenix&Dell (11)Load alternate registers with POST values.(Beep)=1-2- 2. 1st 64K RAM chip or
data line failure-bit 1.
Error Code - 12
AMI
(12)Checking for pressing of <INS>key during power-on done. Going to disable
DMA and Interrupt controllers.DMA controller#1,#2,interrupt controller#1,#2 disabled. About
to disable Video display and Init port-B. About to disable video display and Init port-B.64K
base memory test passed. 64K base memory test
passed.
AST
Award
(12)DMA page registers test.
(12)Call support 800-909-3424. Test 8254 timer 0 channel 0. Test DMA page
registers.
(12)Clear screen, turn on video.
Compaq
Chips & Tech (12)Task register failure.
Phoenix&Dell (12)Restore CPU control word during warm boot. Jump to User Path
0.(Beep)=1-2-1-3.Test both 8237 DMA controllers. 1st 64K RAM chip or data line
failure-bit 2.
Error Code - 13
AMI
(13)DMA controller#1,#2,interrupt controller#1,#2disa- bled. About to disable
Video display and initialize port-B. Chipset initialize/auto memory detection about
to begin. Replace first memory SIMM.(13)Chipset initialize/auto memory detection
about to begin. Check first SIMM.(13) Interrupt vectors initialized.
(13)Initialize video.
(13)Test 8254 timer 0 channel 1. Test keyboard controller.
(13)Test timer 0.
AST
Award
Compaq
Chips & Tech (13)LSL instruction failure.
Phoenix&Dell [Beep]=2-1-4 1st 64K RAM chip or data line failure-bit 3. Initialize PCI Bus
Mastering devices.
Error Code - 14
ACER
AMI
(14)DMA Controller.
(14)Chipset initialization/auto memory detection over. To un-compress the POST
code if compressed BIOS.8254 timer test about to start.8254 timer test about to start.8042
keyboard controller test OK.
AST
Award
(14)Memory refresh test.
(14)Test 8254 timer 0 counter 2. Test timer counter 2; Test 8254 timer 0 counter 2.
Test memory refresh.
Compaq
Chips & Tech (14)LAR failure.
Phoenix&Dell (14)Initialize keyboard
(14)Disable RTC interrupts.
controller.(Beep)=1-2-2-1.Initialize
8237
DMA
controllers.[Beep]=2-2-1 1st 64K RAM chip or data line failure-bit 4.
Error Code - 15
(15)POST code is un-compressed.8254 timer about to start. CH-2 timer test
AMI
halfway.8254 CH-2 timer test to be complete.8254 CH-2 timer test to be completed. Interrupt
vectors initialized. CMOS read/write test OK.
Award
Compaq
(15)test 8259 interrupt mask bits for channel 1. Test 8259-1 mask bits; Verify 8259 channel 1
masked interrupt by alternate turning off and on the interrupt line. Test
1st 64K of system memory.
(15)Check battery power.
8
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Appendix A
Chips & Tech (15)VERW/VERR failure.
Phoenix&Dell (15)[Beep]=2-2-2 1st 64K RAM chip or data line failure-bit 5.
Error Code - 16
AMI
(16)CH-2 timer test over.8254 CH-1 timer test to be complete. CMOS checksum/battery check
OK
(16)Test 8259-2 mask bits; Verify 8259 channel 2 masked interrupt by alternate
turning off and on the interrupt line. Setup Interrupt vectors.
(16)Battery power was lost.
Award
Compaq
Chips & Tech (16)Keyboard controller gate A20 failure.
Phoenix&Dell (16)BIOS ROM checksum.(Beep)=1-2-2-3.
Initialize
8259,
reset
Coprocessor.[Beep]=2-2-3 1st 64K RAM chip or data line failure-bit 6.
Error Code - 17
AMI
(17)CH-1 timer test over.8254 CH-0 timer test to be completed. Monochrome mode
set.
Award
Compaq
(17)Test struck 8259's interrupt bits; Turn off interrupt then verify no interrupt mask register is
on. Setup video I/O operations.
(17)Cler CMOS-DIAG
Phoenix&Dell (17)Initialize cache before memory auto-size.[Beep] =2-2-4 1st 64K RAM chip or
data line failure-bit 7.
Error Code - 18
ACER
AMI
(18)Timer initialize.
(18)CH-0 timer test over. About to start memory refresh. Color mode set.
(18)Testing Video memory.
(18)Test 8259 interrupt functionality; Force an interrupt and verify the interrupt occurred. Test
video memory.
(18)[Beep]= 2-3-1 1st 64K RAM chip or data line failure- bit 8
(18)Test base memory(first 128K)
AST
Award
Dell
Compaq
Chips & Tech (18)Shutdown during memory test.
Phoenix&Dell (18)8254 timer initialization.(Beep)=1-2-3-1. Test 8259 interrupt controllers
registers.[Beep]=2-3-1 1st 64K RAM chip or data line failure-bit 8.
Error Code - 19
AMI
(19)82 timer test over. Memory refresh test to be done next. About to look for optional video
ROM at segment C000 and give control to the optional video ROM
if present.
Award
(19)Test 8259 functionality. Test stuck NON-Maskable Interrupt bits(Parity/I/O check);Verify
NMI can be cleared. 8259 Interrupt controller, channel 1 mask bits
test.
Compaq
(19)Clear and initialize base memory.
Phoenix&Dell (19)check memory[Beep]=2-3-2 1st 64K RAM chip or data line failure-bit 9.
Error Code - 1A
AMI
(1A)Memory refresh line is toggling. Going to check 15 micro second ON/OFF
time. Return from optional video ROM. Optional video ROM control OK
(1A)Display CPU clock.8259 Interrupt controller, channel 2 mask bits test.
(1A)Initialize and test VDU adapters.
Award
Compaq
Chips & Tech (1A)Copyright checksum errors.
Phoenix&Dell (1A)8237 DMA controller initialization.(Beep)=1-2-3-3. Verify refresh is
occurring.[Beep]=2-3-3 1st 64K RAM chip or data line failure-bit A.
Error Code - 1B
AMI
(1B)Memory refresh period 30 micro second test complete. Base 64K memory test
about to start. Shadow RAM enable /disable completed. Display memory read/write
test OK.
Award
(1B)Test CMOS battery status. Test the system ROM.
Chips & Tech (1b)Shutdown during memory sizing.
Phoenix&Dell (1B)[Beep]=2-4-1 1st 64K RAM chip or data line failure- bit B.
Error Code - 1C
ACER
AMI
(1C)Memory refresh.
(1C)Display memory read/write test for main display type as set in the CMOS setup
program over. Display memory read/write test for alternate display OK.
(1C)Test CMOS RAM checksum. Test CMOS.
Award
Chips & Tech (1C)Chip-Set initialization.
Phoenix&Dell (1C)[Beep]=2-4-1 1st 64K RAM chip or data line failure- bit C.Reset
Programmable Interrupt Controller.(Beep)=1-2 -4-1.Base 64K address test.
Error Code - 1D
AMI
(1D)Display memory read/write test for alternate display type complete if main
display memory read/write test returns error. Video retrace check OK. Set configuration from
CMOS.
Compaq
(1D)Test DMA controller and page registers.
Phoenix&Dell (1D)[Beep]=2-4-2 1st 64K RAM chip or data line failure- bit D
Error Code - 1E
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Appendix A
(1E)Select memory type.
(1E)Global equipment byte set for proper display type.
(1E)If EISA NVM checksum is good, execute EISA initialization(EISA BIOS ONLY). Size
system memory.
(1E)Test keyboard controller.
ACER
AMI
Award
Compaq
Phoenix&Dell (1E)[Beep]=2-4-3 1st 64K RAM chip or data line failure- bit E.Base 64K RAM
test(16 bits).
Error Code - 1F
AMI
(1F)Video mode set call for mono/color begins. Mode set call for mono/color OK.
Set EISA mode; If EISA non- volatile memory checksum is good, execute EISA initialization.
If not, execute ISA test an clear EISA mode flag. Test EISA configuration memory
integrity(checksum & comm.- unication interface).
Award
Compaq
(1F)Test system memory.
(1F)Test 286 protected mode.
Phoenix&Dell (1F)[Beep]=2-4-4 1st 64K RAM chip or data line failure- bit F.
Error Code - 20
ACER
AMI
(20)Test 128K.
(20)Memory refresh period 30 micro second test complete. Base 64K memory/address test
started. Address line test to be done next. Video mode set
completed.
AST
Award
(20)Power up bus board(EISA only).
(20)Enable slot 0;Initialize slot 0(system board).(Check memory size).8259 stuck
bits test.
Compaq
(20)Test real and extended memory.
Phoenix&Dell (20)[Beep]=3-1-1 master DMA register test in-progress or failure. Test DRAM
refresh.(Beep)=1-3-1-1. Upper 16 of 32 bit test failed.
Error Code - 21
AMI
(21)Address line test passed. Going to do toggle parity. (21)ROM type 27256 verified. Video
display OK.
Award
Compaq
(21)Enable slots 1 through 15;Initialize slot 1.Test stuck NMI bits (parity I/O
check).
(21)Init time-of-day.
Phoenix&Dell (21)[Beep]=3-1-2 slave DMA register test in-progress or failure.
Error Code - 22
AMI
(22)Toggle parity over. Going for sequential data R/W test on 64K memory. Power
on message display OK.
Award
Compaq
(22)Enable slots 2; Initialize slot 2.Test 8259 working.
(22)Init 287 Coprocessor.
Phoenix&Dell (22)[Beep]=3-1-3 master interrupt mask register test in- progress or fail. Test 8742
keyboard controller.(Beep)=1- 3-1-3
Error Code - 23
AMI
(23)Base 64K sequential data R/W test passed. Going to SET BIOS stack and to do
any setup before Interrupt vector Init. Any setup before interrupt vector Init about to
start. Power on message displayed.
Award
Compaq
(23)Enable slots 3;Initialize slot 3.Test protected mode.
(23)Test keyboard and interface.
Phoenix&Dell [Beep]=3-1-4 slave interrupt mask register test in-progress or fail.
Error Code - 24
ACER
AMI
(24)Test keyboard controller(8042).
(24)Setup required before vector initialization complete. Interrupt vector initialization about to
begin.
(24)Enable slots 4;Initialize slot 4.Size extended memory.
(24)reset A20 ads set default CPU speed.
Award
Compaq
Phoenix
(24)Set ES segment to register to 4 GB.(beep)=1-3-2-1. Verify CMOS/Configure
CMOS.
Error Code - 25
(25)Interrupt vector initialization done. Going to read Input port of 9042 for turbo
switch(if any).Going to read I/O port of 8042 for turbo switch(if any).
(25)Enable slots 5;Initialize slot 5.Test extended memory.
(25)Test diskette subsystem.
AMI
Award
Compaq
Phoenix&Dell (25)[Beep]=none interrupt vector loading in-progress.
Error Code - 26
AMI
(26)I/O port of 8042 is read. Going to initialize global data for turbo switch. Going
to initialize global data for turbo switch.
(26)Enable slots 6;Initialize slot 6.Test protected mode exceptions.
(26)Test fixed disk subsystem.
(26)Enable A20 line. Verify/Load NVRAM parameters.
Error Code - 27
Award
Compaq
Phoenix 6.0
(27)Global data initialization for turbo switch is over. Any initialization before
setting video mode to be done next.
AMI
10
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Appendix A
setting video mode to be done next.
(27)Enable slots 7; Initialize slot 7.Setup cache control or shadow RAM.
Award
Compaq
(27)initialize parallel printer.
Phoenix&Dell (27)[Beep]=3-2-4 keyboard controller test in-progress or failure.
Error Code - 28
ACER
AMI
(28)Test CPU.
(28)initialization before setting video mode is complete. Going for monochrome
mode and color setting .Check extended memory.
(28)Enable slots 8;Initialize slot 8. Setup 8242.
Award
Compaq
(28)Perform search for option ROMs
Phoenix&Dell (28)[Beep]=3-3-1 CMOS power-fail and checksum checks in-progress. Auto-size
DRAM.(Beep)=1-3-3-1.Protected mode 1.
Error Code - 29
AMI
Award
Compaq
(29)Monochrome mode setting is done. Going for color mode setting.
(29)Enable slots 9;Initialize slot 9.
(29)Test for valid system configuration.
Phoenix&Dell (29)[Beep]=3-3-2 CMOS configuration info validation in- progress. Initialize POST
Memory Manager.
Error Code - 2A
AMI
(2A)monochrome Color mode setting is done. About to go for toggle parity before
optional rom test. About to go for toggle parity before optional ROM Check.
(2A)Enable slots A; Initialize slot A.(2A)8242 initialization.
(2A)Clear screen.
(2A)Clear 512K base RAM.(Beep)=1-3-3-3.Aubo-site me- mory chips.
Error Code - 2B
(2B)Toggle parity over. About to give control for any setup required before optional
video ROM check.
(2B)Enable slots B; Initialize slot B. Initialize floppy drive and controller.
(2B)Check for invalid time and date.
Award
Compaq
Phoenix
AMI
Award
Compaq
Phoenix&Dell (2B)[Beep]=3-3-4 screen memory test in-progress or failure.
Error Code - 2C
ACER
AMI
(2C)Set up interrupt controller(8259).
(2C)Processing before video ROM control is done. About to look for optional video
ROM and give control.
(2C)Enable slots C;Initialize slot C.Detect & initialize serial ports.
(2C)Boot.
Award
Compaq
Dell
(2C)[Beep]=3-4-1 screen initialization in-progress or failure.
(2C)RAM failure on address xxxx.If the BIOS detects error 2C,2E,or 30(base 512K
RAM error),it displays and additional word-bitmap(xxxx)indication the address line
or bits that failed. For example, "2C 0002"means address line 1 (bit one set) has
failed. "2E 1020 means data bits 12 and 5 (bits 12 and 5 set) have failed in the
lower 16 bits. Note that error 30 cannot occur on 386SX systems because they have
a 16 rather than 32-bit bus. The BIOS also sends the bitmap to the port-80 LED display. It first
display the check point code, followed by a delay, the high-order
byte, another delay, and then the low-order byte of the error. It repeats this sequence
continuously. Test 512 base address lines.(Beep)= 1-3-4-1 Activate interleave(if
possible).[Beep]3-4-1 screen initialization in-progress or failure.
Error Code - 2D
Phoenix
(2D)Optional video ROM control is done. About to give control to do any processing after
video ROM returns control.
AMI
(2D)Enable slots D; Initialize slot D. Detect & initialize parallel ports. Test timer 2.
Award
Phoenix& Dell (2D)[Beep]=3-4-2 screen retrace tests in-progress or failure.
Error Code - 2E
AMI
(2E)Return from processing after the video ROM control. If EGA/VGA not found
then do display memory R/W test.
(2E)Enable slots E; Initialize slot E. Initialize hard drive & controller.
(2E)[Beep]=3-4-3 search for video ROM in-progress.
(2E)See Error code "2C".Test 512K base memory.(Beep)= 1-3-4-3.Exit 1st protected mode
test.[Beep]=none search for video ROM in-progress.
Error Code - 2F
(2F)EGA/VGA not found. Display memory R/W test about to begin.
(2F)Enable slots F; Initialize slot F. Detect & initialize 80x87 Co-Processor.
(2F)Write to DIAG byte.
(2F)Enable cache before system BIOS shadow.
Error Code - 30
(30)Set up Temp. interrupt.
(30)display memory R/W test passed. About to look for the retrace checking.
Virtual mode memory test about to begin.
(30)Interrupt controller#1.
Award
Dell
Phoenix
AMI
Award
Compaq
Phoenix
ACER
AMI
AST
11
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Appendix A
(30)Get base memory & extended memory size. Size base And extended memory
from 256K to 640K and extended memory above 1MB.
(30)Clear 1st 128K bytes of RAM.
(30)[beep]=none screen believed running w/video ROM.
(30)see Error Code "2C".Unexpected shutdown.[Beep]=no- ne screen believed operable.
[Beep]=none screen believed running w/video ROM.
Error Code - 31
Award
Compaq
Dell
Phoenix
(31)Display memory R/W test or retrace checking failed. About to do alternate
Display memory R/W test. Virtual mode memory test started.
(31)Interrupt controller#2.
AMI
AST
Award
(31)Test base and extended memory; Test base memory from 256K to 640K and extended
memory above 1MB using various patterns. Detect & initialize optional
ROMs.
(31)Load interrupt vectors 70-77.
Compaq
Phoenix&Dell (31)[Beep]=none monochromatic screen believed operable.
Error Code - 32
AMI
(32)Alternate display memory R/W test passed. About to look for the alternate
display retrace checking. Processor executing in virtual mode.
(32)Interrupt controllers for stuck interrupt.
AST
Award
(32)Display the Award Plug & Play BIOS extension message(PnP BIOS only).Test
EISA extended memory; If EISA mode flag is set then test EISA memory found in
slots initialization, This test is skipped in ISA mode and can be skipped with ESC
key in EISA mode.
(32)Load interrupt vectors 00-1F.
Compaq
Dell
Phoenix
(32)[Beep]=none 40-column color screen believed operable.
(32)Test CPU bus-clock frequency.(Beep)=1-4-1-3.Deter- mine system board memory size.
[Beep]=none 40-column color screen believed operable.
Error Code - 33
(33)Video display checking over. Verification of display type with switch setting
and actual card to begin. Verification of display type with switch setting and Actual
Card to begin. Memory address line test in progress.
AMI
(33)Non-maskable interrupt for stuck interrupt(EISA,P486, P386)
(33)Call Tech Support 727-532-4151.
AST
Award
Compaq
(33)Initialize Memory SIZE and RESETWD.
Phoenix&Dell (33)[Beep]=none 80-column color screen believed operable. Initialize dispatch
Manager.
Error Code - 34
ACER
AMI
(34)Set up BIOS interrupt vector.
(34)Verification of display adapter done. Display mode to be set next. Memory
address line test in progress.
(34)Verify CMOS checksum.
Compaq
Phoenix&Dell (34)[Beep]=4-2-1 timer tick interrupt test in progress or failure. Relocate memory
option.
Error Code - 35
AMI
(35)Display mode set complete. BIOS ROM data area about to be checked.
Memory below 1MB calculated.
Compaq
(35)CMOS checksum not valid.
Phoenix&Dell (35)[Beep]=4-2-2 shutdown test in progress or failure.
Error Code - 36
AMI
(36)BIOS ROM data area check over. Going to set cursor for power on message. Memory
above 1MB calculated.
(36)Check battery power.
Compaq
Phoenix&Dell (36)[Beep]=4-2-3 gate A20 failure. Warm start shut down. Configure EMS memory
option.
Error Code - 37
AMI
(37)Cursor setting for power on message id complete. Going to display the power
on message. Memory test about to start.
Compaq
(37)Check for game adapters.
Phoenix&Dell (37)[Beep]=1-4-2-4 unexpected interrupt in protected mode. Reinitialize the
motherboard chipset.
Error Code - 38
ACER
AMI
(38)CMOS RAM.
(38)Power on message display complete. Going to read new cursor position.
Memory below 1MB initialized.
Compaq
(38)Check for serial ports.
Phoenix&Dell (38)[Beep]=4-3-1 RAM test in progress or failure above address 0FFFFh
Phoenix
(38)Shadow system BIOS ROM.(Beep)=1-4-3-1.Configure wait state option.
Error Code - 39
12
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Appendix A
(39)New cursor position read and saved. Going go display the Hit<DEL>message.
AMI
Memory above 1MB initialized.
(39)Check for parallel ports.
(39)Reinitialize the cache.(Beep)=1-4-3-1
Compaq
Phoenix
Error Code - 3A
(3A)Check memory, first 64K,one long beep. Reference string display is over.
Going to display the Hit<ESC> massage. Memory size display initiated. This will
be updated when the BIOS goes through the memory.
(3A)Check memory.
AMI
Award
Compaq
(3A)Initialize Port. And comm. timeouts.
Phoenix&Dell (3A)[Beep]=4-3-3 Interval timer channel 2 test in progress or failure.
Phoenix
AMI
(3A)Auto-size cache.(Beep)=1-4-3-3.Retest 64K base RA M.
Error Code - 3B
(3b)Hit<DEL>or<ESC>message displayed. Virtual mode memory test about to
start, About to start below 1MB memory test.
(3B)Flush keyboard buffer.
Compaq
Phoenix&Dell (3B)[Beep]=4-3-4 Time-Of-Day clock test in progress or failure.
Error Code - 3C
ACER
AMI
Award
Phoenix
(3C)Memory size.
(3C)Memory test below 1MB completed and about to start above 1MB test.
(3C)Set flag to allow users to enter CMOS setup utility. Setup enabled.
(3C)Configure advanced chipset registers.(Beep)=1-4-4-1. Determine relative CPU
speed.
Phoenix&Dell (3C)[Beep]=4-4-2 Serial port test in progress or failure.
Error Code - 3D
AMI
Award
(3D)Memory test above 1MB completed.
(3D)Initialize keyboard. Install PS/2 mouse. Initialize & install mouse; Detect if
mouse is present, initialize mouse, install interrupt vectors.
(3D)Load alternate registers with CMOS values,(Beep)= 1-4-4-2
Phoenix
Phoenix&Dell (3D)[Beep]=4-4-2 Parallel port test in progress or failure.
Error Code - 3E
AMI
Award
Phoenix 3.07
(3E)About to go to real mode(shutdown).
(3E)Try to turn on level 2 cache.,
(3E)Get switches/jumper status from 8742.
Phoenix&Dell (3E)[Beep]=4-4-3 Math CoProcessor test in progress or failure.
Error Code - 3F
AMI
Award
(3F)Shutdown successful and Processor in real mode.
(3F)Enable shadow RAM per CMOS RAM setup or if ME- MORY TYPE is SYS
in the EISA configuration.
Dell
(3F)Cache memory failure.
Error Code - 40
ACER
AMI
(40)Shutdown#1.
(40)Preparation for virtual mode test started. Going to verify from video memory.
CACHE memory on and about to disable A20 address line.
(40)CMOS RAM backup battery.
AST
Award
Compaq
Phoenix
(40)Display virus protest disable or enable.
(40)Save RESET WD value.
(40)Set initial CPU speed.(Beep)=2-1-1-1.
Error Code - 41
(41)Returned after verifying from display memory. Going to prepare the descriptor bables.A20
address line disabled successful.
(41)CMOS RAM checksum.
AMI
AST
Award
Compaq
(41)Initialize floppy disk drive controller.
(41)Check RAM refresh.
Error Code - 42
AMI
(42)descriptor tables prepared. Going to enter in virtual mode for memory test.486
internal cache turned on. About to start DMA controller test.
(42)Setup CMOS RAM.
AST
Award
Compaq
Phoenix
(42)Initialize hard drive & controller; Initialize hard drive controller and any drives.
(42)Start write cycle of 128K RAM test.
(42)Initialize interrupt vectors.(Beep)=2-1-1-3.
Error Code - 43
(43)Entered in the virtual mode. Going to enable interrupts for diagnostics mode.
About to start DMA controller test.
AMI
Award
Compaq
ACER
(43)If it is a PnP BIOS, initialize serial & parallel ports. Detect & initialize serial/parallel ports;
Initialize any serial and parallel ports (also game port).
(43)Reset parity checks.
Error Code - 44
(44)Video BIOS ROM initialize.
13
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Appendix A
(44)Interrupts enabled(if post switch is on). Going to initialize data to check
memory wrap around at 0:0.
AMI
(44) Going to initialize data to check memory re-map at 0:0.
(44)Start verify cycle if 128K RAM test.
(44)Initialize BIOS interrupts.(Beep)=2-1-2-1. Verify video configuration.
Error Code - 45
Award
Compaq
Phoenix
(45)Set up BIOS RAM .
ACER
AMI
(45)Data initialized. Going to check for memory wrap around at 0:0 and the total
system memory size.
(45)Detect & Initialize math CoProcessor; Initialize math CoProcessor.
(45)Check for parity errors.
Award
Compaq
Phoenix
(45)POST device initialization.
Error Code - 46
(46)Test controller and cache memory.
(46) Memory wrap around test done. Memory size calculation over, writing patterns
to test memory.
ACER
AMI
(46)display the setup message(to press Ctrl-Alt-Esc to enter setup), and enable
setup.
Award
(46)No RAM errors.
Compaq
Phoenix
(46)Check ROM copying notice.(Beep)=2-1-2-3. Initialize video system.
Error Code - 47
(47)Pattern to be tested written in extended memory,640K memory.
(47)Set system speed for boot.
AMI
Award
Compaq
Phoenix
(47)Got a RAM error.
(47)Initialize manager for PCI Options ROMs.(Beep)=2-1- 2-4.
Error Code - 48
(48)Memory test.
(48)Patterns written in base memory. Going to find out amount of memory below
1M memory.
ACER
AMI
(48)Check Video configuration against CMOS.(Beep)=2- 1-3-1. Test for unexpected interrupts.
Error Code - 49
Phoenix
(49)Memory below 1M found and verified. Going to find out amount of memory
above 1M memory.
AMI
(49)Initialize PCI bus and devices.(Beep)=2-1-3-2.
Error Code - 4A
(4A)Amount of memory above 1M found and verified. Going for BIOS ROM data
area check.
Phoenix
AMI
(4A)Initialize all video adapters in system.(Beep)=2-1-3-3. Start 2nd protected
mode test.
Phoenix
Error Code - 4B
(4B) Amount of memory above 1M found and verified. Check for soft reset and
going to clear memory below 1M for reset.(If power on, go to check point#4Eh).BIOS ROM
data area check over. Going to check<ESC> and to clear
memory below 1M for soft reset.
AMI
Phoenix
(4B)Quiet-Boot start(optional).
Error Code - 4C
ACER
AMI
(4C)#3 shutdown.
(4C)Memory below 1M cleared.(SOFT RESET)Going to clear memory above 1M.
(4C)Shadow video BIOS ROM.(Beep)=2-1-4-1.Perform LDT instructions test.
Error Code - 4D
Phoenix
AMI
(4D)Memory above 1M cleared. (SOFT RESET)Going to save the memory size.(GOTO check
point#52h)
Error Code - 4E
(4E)Memory test started.(NO SOFT RESET)About to display the first 64K memory
test.
(4E)If there is any error, show all the error messages on the screen & wait for user
to press<F1>.Manufacturing POST loop or display messages; Reboot if manufacturing POST
loop pin is set. Otherwise display any messages and enter
setup.
AMI
Award
Phoenix
AMI
(4E)Display copying notice.(Beep)=2-1-4-3. Perform TR instruction test.
Error Code - 4F
(4F)Memory size display started. This will be updated during memory test. Going
for sequential and random memory test. Processor in real mode after shutdown.
(4F)If password is needed, ask for password. Clear the Energy Star logo(Green
BIOS only).Security check; Ask password security.
Error Code - 50
Award
(50)#2 shutdown.
ACER
AMI
(50)Memory testing/initialization below 1M complete. Going to adjust displayed memory size
for relocation /shadow. DMA page register test complete.
14
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Appendix A
memory size for relocation /shadow. DMA page register test complete.
(50)Protected mode.
AST
(50)Write all the CMOS values currently in the BIOS stack areas back into the
CMOS. Write CMOS; Write all CMOS values back to RAM and clear screen.
(50)Check for dual freq in CMOS.
Award
Compaq
Chips & Tech (50)Hardware initialize.
Phoenix
(50)Display CPU type and speed.(Beep)=2-2-1-1.(50)Per- form LSL instruction
test.[Beep]=none Custom chip set or custom platform.
Error Code - 51
AMI
(51)Memory size display adjusted due to relocation/shadow. Memory test above 1M
to follow. DMA unit-1 base register test about to start.
(51)Protected mode.
AST
Award
Compaq
(51)Pre-boot enable; Enable parity checker; Enable NMI, Enable cache before boot. (51)Check
CMOS VDU configuration.
Chips & Tech (51)Timer Initialize
Phoenix
(51)Initialize EISA board.
Error Code - 52
(52)Memory testing/initialization below 1M complete. Going to save memory size
information. Going to prepare to go back to real mode. DMA unit-1 channel OK,
about to begin CH-2.
AMI
Award
(52)Initialize all ISA ROMs. Later PCI initializations(PCI BIOS only).PnP initializations(PnP
BIOS only).Program shadow RAM according to setup settings. Program parity according to
setup setting. Power Management initialization. Initialize option ROMs; initialize any option
ROMs present from C8000h to
EFFFFh.
(52)Start VDU search.
Compaq
Chips & Tech (52)DMA controller initialize.
Phoenix
AMI
(52)Test keyboard.(Beep)=2-2-1-3.(52)Perform LAR instruction test.
Error Code - 53
(53)Memory size information is saved. CPU registers are saved. Going to enter in
real mode. DMA CH-2 base register test OK.
(53)If it is not a PnP BIOS, initialize serial & parallel ports. Initialize time value in
BIOS data area. Initialize time value; Initialize time value in 40h BIOS data area. (53)Vector to
VDU option ROMs.
Award
Compaq
Chips & Tech (53)Initialize interrupt controller.
Error Code - 54
ACER
AMI
(54)#7 shutdown.
(54)Shutdown successful, CPU in real mode. Going to re- store registers saved
during preparation for shutdown. About to check F/F latch for unit-1 and unit-2. (54)Initialize
primary display adapter.
Compaq
Chips & Tech (54)Chip-Set Initialize.
Phoenix
AMI
(54)Set key click if enabled.(Beep)=2-2-2-1.(54)Perform VERR instruction test.
Error Code - 55
(55)Registers restored. Going to disable gate A20 address line. F/F latch for both
units checked.
(55)Check PCI video Card-or replace video card.
(55)Initialize secondary display adapter.
Award
Compaq
Chips & Tech (55)EMS configuration Setup.
Error Code - 56
AMI
(56)A20 address line disable successful. BIOS ROM data area about to be checked.
DMA unit 1 and 2 programming over and about to initialize 8259 interrupt
controller.
Compaq
(56)No display adapters installed.
Chips & Tech (56) Protected mode.
Phoenix
(56)Enable keyboard.(Beep)=2-2-2-3.Unexpected exception.
Error Code - 57
(57)A20 address line disable successful. BIOS ROM data area check halfway. BIOS
ROM data area check to be com- plete.8259 initialization over.
(57)Init primary VDU mode.
AMI
Compaq
Chips & Tech (57)Memory size.
Error Code - 58
ACER
AMI
(58)#6 shutdown.
(58)Memory size adjusted for relocation/shadow. Going to clear Hit<DEL>
message. BIOS ROM data area check over. Going to clear Hit<ESC> message.8259
mask register check OK.
Compaq
(58)Start of VDU test (for each adapter).
Chips & Tech (58)Memory interleave configure.
Phoenix
(58)Test for unexpected interrupts.(Beep)=2-3-3-.(58) Perform A20 gate test.
Error Code - 59
15
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Appendix A
(59)Hit<ESC> message cleared.<Wait..> message displayed. About to start DMA
and interrupt controller test. Master 8259 mask register OK, about to start slave.
(59)Check existence of adapter.
AMI
Compaq
Chips & Tech (59)Exiting protected mode.
Phoenix
(59)Initialize POST display service.
Error Code - 5A
(5A)About to check timer and keyboard interrupt level.
(5A)Blank display, check VDU registers.
AMI
Compaq
Chips & Tech (5A)Board memory size.
Phoenix
test.
Display
prompt
"press
F2
to
enter
(5A)Keyboard ready
SETUP".(Beep)=2-2-3-3
Error Code - 5B
AMI
Compaq
(5B)Timer interrupt OK.
(5B)Start screen memory test.
Chips & Tech (5B)Shadow RAM relocated.
Phoenix
(5B)Display CPU cache.
Error Code - 5C
ACER
AMI
(5C)About to test keyboard and I/O.`
(5C)About to test keyboard interrupt. (5C)End
of test of adapter, clear memory.
Compaq
Chips & Tech (5C)EMS configure.
Phoenix
(5C)Test RAM between 512 and 640K.(Beep)=2-2-4-1. Determine if AT or KT
keyboard type.
Error Code - 5D
AMI
Compaq
(5D)ERROR! Timer/keyboard interrupt not in proper level.
(5D)Error detected on an adapter.
Chips & Tech (5D)Wait state configuration is set-up.
Error Code - 5E
AMI
Compaq
(5E)8259 interrupt controller error.
(5E)test the next adapter.
Chips & Tech (5E)1st 64K RAM re-test.
Phoenix
(5E)Enter third protected mode test.
Error Code - 5F
(5F)8259 interrupt controller test OK.
(5F)All adapters successfully tested.
AMI
Compaq
Chips & Tech (5F)Shadow RAM.
Error Code - 60
ACER
AMI
(60)Set up BIOS interrupt.
(60)DMA page register test passed. About to go for DMA #1,verify from display
memory.
(60)RAM size.
AST
Award
Compaq
(60)Setup virus protection(Boot sector protection).
(60)Start of memory test.
Chips & Tech (60)CMOS RAM.
Phoenix
(60)Test expanded memory.(Beep)=2-3-1-1.(60)Base memory test.
Error Code - 61
(61)Display memory verification over. About to go for DMA #1 base register test.
(61)RAM test.
(61)Try to turn on level 2 cache. Set the boot up speed according to setup setting.
AMI
AST
Award
Last chance for chipset initialization. Last chance for power management initialization. Show
the system configuration table.
Compaq
(61)Enter protected mode.
Chips & Tech (61)Video.
Error Code - 62
AMI
(62)DMA#1 base register test passed. About to go for DMA #2 base register test.
AST
Award
(62)Shadow RAM.
(62)Setup daylight saving according to setup values. Program the NUM lock, type
rate & type speed according to setup setting. Setup NUM_LOCK; Setup NUM_LOCK status
according to setup.
Compaq
Phoenix
(62)Start memory sizing.
(62)Test extended memory address lines.(Beep)=2-3-1-3. Base memory address
test.
Error Code - 63
AMI
AST
Award
(63)DMA #2 base register test passed. About to go for BIOS ROM data area check. (63)Cache
memory.
(63)If there is any changes in the hardware configuration, update the ESCD information(PnP
BIOS only. Clear memory that have been used. Boot system via
INT 19h.
(63)Get CMOS size.
Compaq
16
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Appendix A
Chips & Tech (63)Protected mode interrupt.
Error Code - 64
ACER
AMI
(64)Start test real time clock.
(64)BIOS ROM data area check halfway. BIOS ROM data area check to be
complete.
(64)Copy BIOS to shadow RAM.
(64)Start test of real memory.
AST
Compaq
Chips & Tech (64)Address line A20.
Phoenix
(64)Jump to User Patch 1.(Beep)=2-3-2-1.Shadow memory test.
Error Code - 65
(65)DMA #2 base register test passed. About to program DMA unit 1 and 2. (65)Copy
video BIOS to shadow RAM.
AMI
AST
Compaq
(65)Start test of extended memory.
Chips & Tech (65)Memory address lines.
Error Code - 66
AMI
(66)DMA unit 1 and 2 programming over. About to initialize 8259 interrupt
controller.
AST
Compaq
Chips & Tech (66)Memory Test.
(66)8254 timer channel #2.
(66)Save size of real and extended memory.
Compaq
(66)Configure advanced cache registers.(Beep)=2-3-2-3. Extended memory test.
Error Code - 67
(67)8259 initialization over. About To start keyboard test.
(67)Memory initialize.
AMI
AST
Compaq
(67)Update 128K-Option installed CMOS bit.
Chips & Tech (67)Extended memory.
Phoenix
(67)Initialize Multi Processor APIC.
Error Code - 68
ACER
(68)Test floppy disk.
Compaq
(68)Prepare to return to real mode.
Chips & Tech (68)Timer interrupt.
Phoenix
(68)Enable external and CPU caches.(Beep)=2-3-3-1. Ex- tended address test.
Error Code - 69
(69)Back in real mode-test successful.
Compaq
Chips & Tech (69)Real Time clock.
Phoenix
(69)Setup System Management Mode(SMM) area.
Error Code - 6A
(6A)Back in real mode-error during test.
Compaq
Chips & Tech (6A) Keyboard controller.
Phoenix
(6A) Display external cache size.(Beep)=2-3-3-3.Determine memory test.
Error Code - 6B
Compaq
(6B)Display error messages.
Chips & Tech (6B)Test Math chip.
Phoenix
(6B)Load custom defaults(optional).
Error Code - 6C
(6C)Test hard disk drive.
(6C)End of memory test.
ACER
Compaq
Chips & Tech (6C)Test serial port(RS232).
Phoenix
(6C)Display shadow message.(Beep)=2-3-4-1.Display error messages.
Error Code - 6D
(6D)Initialize KB OK display string.
Compaq
Chips & Tech (6D)Test parallel ports.
Error Code - 6E
Compaq
(6E)Determine size to test. Chips
& Tech (6E)Dual card.
Phoenix
(6E)Display possible high address for UMB recovery. Display non-disposable
segments.(Beep)=2-3-4-3.Configure ROM/RAM BIOS.
Error Code - 6F
Compaq
(6F)Start of MEMORY TEST.
Chips & Tech (6F)Test floppy drive controller.
Error Code - 70
ACER
AMI
(70)About to test parallel port.
(70)start of keyboard test.
Compaq
(70)Display XXXXX KB OK.
Chips & Tech (70)Test hard drive controller.
Phoenix
(70)Display error messages.(Beep)=2-4-1-1.System time test.
Error Code - 71 (71)Keyboard
controller BAT test over.
(71)Test each RAM segment.
AMI
Compaq
17
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Appendix A
Chips & Tech (71)Key-lock.
Error Code - 72
AMI
Compaq
(72)Keyboard interface test over, mouse interface test started.
(72)High order address test.
Chips & Tech (72)Pointing divide.
Phoenix
(72)Check for configuration errors.(Beep)=2-4-1-3.(72) Real time clock test.
Error Code - 73
(73)Global data initialization for keyboard/mouse over.
(73)Exit memory test.
AMI
Compaq
Error Code - 74
ACER
AMI
Compaq
Phoenix
(74)About to test serial port.
(74)Display 'SETUP' prompt and about to start floppy setup.
(74)Parity error on bus after memory test, system halted.
(74)Test real-time clock.(Beep)=2-4-2-1.Test for stuck keys.
Error Code - 75
AMI
Compaq
(75)Floppy setup over.
(75)Start of protected mode test.
Error Code - 76
AMI
Compaq
Phoenix
(76)Hard disk setup about to start.
(76)Prepare to enter protected mode.
(76)Check for keyboard errors. (Beep)=2-4-2-3.Initialize hardware interrupt
vectors.
Error Code - 77
AMI
Compaq
(77)Hard disk setup over.
(77)Test software exceptions.
Error Code - 78
ACER
Compaq
Phoenix
(78)Set real time.
(78)Prepare to return to real mode.
(78)Detect and test CoProcessor.
Error Code - 79
AMI
(79)About to initialize timer data area.
Compaq
(79)Back in real mode-No error.
Error Code - 7A
(7A)Timer data initialized and about to verify CMOS battery power.
AMI
Compaq
Phoenix
(7A)Back in real mode-error.
(7A)Determine/Init COM channels.
Error Code - 7B
(7B)CMOS battery verification over.
AMI
Compaq
(7B)Exit protected mode.
Error Code - 7C
ACER
Compaq
Phoenix
(7C)scan option. RAMs.
(7C)High order address test failure.
(7C)Set up hardware interrupts vectors.(Beep)=2-4-4-1.Determine LPT channels.
Error Code - 7D
AMI
(7D)About to analyze POST results. About to analyze diagnostic test results for
memory.
(7D)Enter cache controller test.
Compaq
Error Code - 7E
AMI
Compaq
Phoenix
(7E)CMOS memory size updated.
(7E)Exit cache controller test.
(7E)Test CoProcessor if present.(Beep)=2-4-4-3.Initialize BIOS data area.
Error Code - 7F
AMI
(7F)Look for <DEL>key and get into CMOS setup if found About to check optional ROM
C000:0.
Compaq
(7F)Copy System ROM to high RAM.
Error Code - 80
(80)Determine math CoProcessor is present.
(80)Keyboard test started, clearing output buffer, checking for stuck key, About to
issue keyboard reset command. About to give control to optional ROM in segment
C800 to DE00.
ACER
AMI
Compaq
Phoenix
(80)Start of 8042 test.
(80)Disable onboard Super I/O ports and IRQs.(Beep)=3-1- 1-1.Detect floppy
controller.
Error Code - 81
AMI
(81)Keyboard reset error/stuck key found. About to issue keyboard controller interface test
command. Optional ROM control over.
Compaq
Phoenix
(81)Do 8042 self-test.
(81)late POST device initialization.
Error Code - 82
18
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Appendix A
(82)Keyboard controller interface test over. About to write command byte and Init
circular buffer. Check for printer ports and put the addresses in global data area.
(82)Check result received.
(82)Detect and install external RS232 ports.(Beep)=3-1- 1-3.Test floppy drives.
Error Code - 83
AMI
Compaq
Phoenix
(83)Command byte written, global data Init done. About to check for lock-key.
Check for RS232 ports and put the addresses in global data area.
(83)Error result.
(83)Configure non-MCD IDE controllers.
Error Code - 84
(84)Keyboard initialize.
(84)Lock-key checking over. About to check for memory size mismatch with
CMOS. CoProcessor detection over. 80287 check/test OK.
(84)OK 8042,Init mode=5D.
(84)Detect and install external parallels ports.(Beep)=3-1- 2-1.Fixed disk test.
Error Code - 85
AMI
Compaq
Phoenix
ACER
AMI
Compaq
Phoenix
(85)Memory size check done. About to display soft error and check for password or
bypass setup. About to display soft error message. If no video replace Video card. (85)Initialize
PC-compatible PnP ISA devices.
AMI
Phoenix
AMI
Error Code - 86
(86)Password checked. About to do programming before setup. About to give
control to system ROM at segment E000.
(86)Start keyboard test, reset keyboard.
Compaq
Phoenix
(86)Re-initialize onboard I/O ports.(Beep)=3-1-2-3.(86)Per form external ROM
scan.
Error Code - 87
(87)Programming before setup complete. Going to uncompress SETUP code and
execute CMOS setup. System ROM E000:0 check over.
(87)Got acknowledge, read result.
(87)Configure Motherboard Configuration Devices(option- al)
Error Code - 88
(88)System #1 initialize.
(88)Returned from CMOS setup program and screen is cleared. About to do programming after
setup.
(88)Got result, check it .
(88)Initialize BIOS Data Area.(Beep)=3-1-3-1.Test key- lock/keyboard type.
Error Code - 89
AMI
Compaq
Phoenix
ACER
AMI
Compaq
Phoenix
(89)Programming after setup complete. Going to display power on screen message.
(89)Test for stuck keys.
(89)Enable Non-Maskable Interrupts(NMIs)
Error Code - 8A
AMI
Compaq
Phoenix
(8A)First screen message displayed. About to display <WAIT¡->message.
(8A)Key seems to be stuck.
(8A)Initialize Extended BIOS Data Area.(Beep)=3-1-3-3. wait for F1 test.
Error Code - 8B
AMI
Compaq
Phoenix
(8B)First screen message displayed <WAIT¡->message displayed. About to do
Main and Video BIOS shadow.
AMI
(8B)Test keyboard interface.
Compaq
Phoenix
(8B)Test and initialize PS/2 mouse.
Error Code - 8C
(8C)System #2 initialize.
ACER
AMI
(8C)Main and video BIOS shadow successful. Setup options programming after
CMOS setup about to start.
(8C)Got result, check it.
(8C)Initialize floppy controller.(Beep)=3-1-4-1.Final system initialization.
Error Code - 8D
Compaq
Phoenix
(8D)Setup options are programmed, mouse check and Init to be done next. Going
for hard disk, floppy reset.
AMI
(8D)End of test, no errors.
Compaq
AMI
Error Code - 8E
(8E)Mouse check and initialization complete. Going for hard disk controller reset.
About to go For floppy check.
(8E)Interrupt 19 boot loader.
Phoenix
Error Code - 8F
(8F)Hard disk controller reset done. Floppy setup to be done nest.
(8F)Determine number of ATA drives(optional)
Error Code - 90
AMI
Phoenix
(90)Invoke interrupt 19 to boot loader.
ACER
AMI
(90)Floppy setup is over. Test for hard disk presence to be done.
19
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Appendix A
Compaq
(90)Start of CMOS test .
Chips & Tech (90)Set-up RAM.
Phoenix
(90)Initialize hard-disk controller.(Beep)=3-2-1-1
Error Code - 91
(91)Floppy setup complete. Hard disk setup to be done next.
(91)CMOS seems to be OK.
AMI
Compaq
Chips & Tech (91)CPU speed.
Phoenix
(91)Initialize local-bus hard-disk controller.(Beep)=3-2-1-2
Error Code - 92
(92)Hard disk setup complete. About to go for BIOS ROM data area check. (92)Error
on CMOS read/write test.
AMI
Compaq
Chips & Tech (92)Configuration check.
Phoenix
(92)Jump to User Patch 2.(Beep)= 3-2-1-3
Error Code - 93
(93)BIOS ROM data area check halfway. BIOS ROM data area check to be
completed.
AMI
Compaq
Phoenix
(93)Start of DMA controller test.
(93)Build MPTABLE for multi processor boards.
Error Code - 94
(94)#5 shutdown.
(94)Hard disk setup complete. Going to set base and extended memory size. BIOS
ROM data area check over.
(94)Page registers seem OK.
ACER
AMI
Compaq
Chips & Tech (94)POD Bootstrap.
Phoenix
AMI
(94)Disable A20 address line.(Beep)=3-2-2-1
Error Code - 95
(95)Memory size adjusted due to mouse support, hard disk type-47.Going to verify
from display memory.
Compaq
(95)DMA controller OK.
Chips & Tech (95)Reset ICS.
Phoenix
(95)Install CD ROM for boot.
Error Code - 96
(96)Memory size adjusted due to mouse support, hard disk type-47.Going to do any
Init before C800 optical ROM control. Returned after verifying from display
memory.
AMI
Compaq
Chips & Tech (96)BIOS PEAK.
(96)8237 DMA Initialization complete.
Phoenix
(96)Clear huge ES segment register.(Beep)=3-2-2-3.
Error Code - 97
(97)Any Init before C800 optional ROM control is over. Optional ROM check &
control will be done next.
AMI
Chips & Tech (97)VGA power.
Phoenix
(97)Fix-up Multi Processor table.
Error Code - 98
ACER
AMI
(98)#A shutdown.
(98)Optional ROM control is done. About to give control to do any required
processing after optional ROM returns control.
Chips & Tech (98)Adapters POS.
Phoenix
(98)Search for option ROMs. One long, two short beeps on checksum
failure.(Beep)=3-2-3-1.
Error Code - 99
AMI
(99)Any initialization required after optional ROM test over. Going to setup timer
data area and printer base address.
(99)Check for SMART Drive(optional).
Phoenix
AMI
Error Code - 9A
(9A)Return after setting timer and printer base address. Going to set the RS-232
base address.
Phoenix
AMI
(9A)Shadow option ROMS.(Beep)=3-2-3-3.
Error Code - 9B
(9B)Returned after RS-232 base address. Going to de any initialization before
Co-Processor test.
Error Code - 9C
(9C)#B shutdown.
(9C)Required initialization before co-Processor is over. Going to initialize the
CoProcessor next.
ACER
AMI
Phoenix
AMI
(9C)Set up Power Management.(Beep)=3-2-4-1.
Error Code - 9D
(9D)CoProcessor initialized. Going to do any initialization after CoProcessor test.
Error Code - 9E
20
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Appendix A
(9E)Initialization after CoProcessor test is complete. Going to check expander
AMI
keyboard, keyboard ID and number-lock.
(9E)Enable hardware interrupts.(Beep)=3-2-4-3.
Phoenix
AMI
Error Code - 9F
(9F)Extended keyboard check is done, ID flag set. num-lock on/off. Keyboard ID command to
be issued.
(9F)Determine number at ATA and SCSI drives.
Error Code - A0
Phoenix
(A0)Keyboard ID command issued. Keyboard ID flag to be reset.
(A0)Start of diskette tests.
(A0)Set time of day .(Beep)=3-3-1-1
Error Code - A1
AMI
Compaq
Phoenix
(A1)Keyboard ID flag reset. Cache memory test to follow.
(A1)FDC reset active (3F8H bit 2)
AMI
Compaq
Error Code - A2
(A2)Cache memory test over. Going to display any soft errors.
(A2)FDC reset inactive(3F8H bit 2)
(A2)Check key lock.(Beep)=3-3-1-3
Error Code - A3
AMI
Compaq
Phoenix
(A3)Soft error display complete. Going to set the keyboard type matric rate.
(A3)FDC motoron.
AMI
Compaq
Error Code - A4
(A4)Keyboard type matric rate set. Going to program memory wait states.
(A4)FDC time-out error.
AMI
Compaq
Phoenix
(A4)Initialize Type matric rate.
Error Code - A5
(A5)Memory wait states programming over. Going to clear the screen and enable
parity/NMI.
AMI
(A5)FDC failed reset.
Compaq
Error Code - A6
(A6)Screen cleared. Going to enable parity and NMI.
(A6)FDC passed reset.
AMI
Compaq
Error Code - A7
(A7)NMI and parity enabled. Going to do any Initialization required before giving
control to optional ROM at E000.
AMI
Error Code - A8
(A8)Initialization before E000 ROM control over. E000 ROM to get control next.
(A8)Start of determine drive type.
(A8)Erase F2 prompt.(Beep)3-3-3-1
Error Code - A9
AMI
Compaq
Phoenix
(A9)Returned from E000 ROM control. Going to do any init required after E000
optional ROM control.
AMI
(A9)Seek operation initiated.
Compaq
AMI
Error Code - AA
(AA)Initialization after E000 optional ROM control is over. Going to display the
system configuration.
(AA)Waiting for FDC status.
Compaq
Phoenix
(AA)Scan for F2 key stroke.(Beep)=3-3-3-3
Error Code - AB-AF
(AC)Enter SETUP.(Beep)=3-3-4-1
Phoenix
Phoenix
Compaq
(AE)Clear in-POST flag.(Beep)=3-3-4-3.Clear Boot fag.
(AF)diskette tests complete.
Error Code - B0
(B0)System configuration is displayed. Going to un-com- press SETUP code for
hot-key setup.
(B0)Spurious interrupt occurred in protect mode. Check mismatch memory.
(B0)Start of fixed drive tests.
(B0)Check for errors.(Beep)=3-4-1-1.Unknown interrupt occurred.
Error Code - B1
AMI
Award
Compaq
Phoenix
(B1)un-compressing of SETUP code is complete. Going to copy any code to specific area.
(B1)If unmasked NMI occurs, Press F1 to disable NMI,F2 to boot.
(B1)Combo board not found, exit.
AMI
Award
Compaq
Error Code - B2-B5
(B2)Combo controller failed, exit.
(B2)POST done-prepare to boot operating system.(Beep)=3- 4-1-3
(B3)Testing drive 1.
Compaq
Phoenix
Compaq
Compaq
Phoenix
(B4)Testing drive 2.
(B4)One short beep before boot.(Beep)=3-4-3-1
21
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Appendix A
Compaq
Phoenix
(B5)Drive error(error condition).
(B5)terminate Quiet-Boot(optional)
Error Code - B6
Compaq
Phoenix
(B6)Drive failed(failed to respond).
(B6)Check password(optional).(Beep)=3-4-2-3
Error Code - B7-BD
(B7)CMOS RAM invalid or no fixed drives, exit.
(B8)Fixed drive tests complete.
(B8)Clear global descriptor table.(Beep)=3-4-3-4
(B9)Attempt to boot diskette.
Compaq
Compaq
Phoenix
Compaq
Phoenix
Compaq
Phoenix
Compaq
Phoenix
Compaq
Phoenix
Compaq
Phoenix
(B9)Prepare boot.
(BA)Attempt to boot fixed drive.
(BA)Initialize DMI parameters.
(BB)Boot attempt failed(diskette or fixed).
(BB)Initialize PnP option ROMs.
(BC)Boot record read, jump to boot record.
(BC)Clear parity checkers.(Beep)=3-4-4-1
(BD)Drive error, retry booting.
(BD)Display Multi-Boot menu.
Error Code - BE
Award
(BE)Program defaults values into chipset.(BE)Chipset default initialization; Program chipset
registers with power on BIOS defaults.
Compaq
Phoenix
(BE)Weitck CoProcessor test.
(BE)Clear screen(optional).(Beep)=3-4-4-3
Error Code - BF
(BF)Program the rest of the chipset
Award
Award
Phoenix
(BF)Chipset initialization; Program chipset registers with setup values.
(BF)Check virus and backup reminders.(Beep)=3-4-4-4
Error Code - C0
Award
(C0)Turn off chipset cache; OEM Specific-cache control.
Chips & Tech (C0)System board memory failure.
Phoenix
Award
(C0)Try to boot with INT 19.(Beep)=4-1-1-1
Error Code - C1,C2,C3,C4
(C1)Memory presence test; OEM specific-test to size on- board memory. Bad
SIMM.
Chips & Tech (C1)I/O channel activated.
Phoenix
AMI
Phoenix
AMI
Award
(C1)Initialize POST Error Manager(PEM).
(C2)NMI is Disable. Power on delay start on.
(C2)Initialize error logging.
(C3)Check memory(Cache, Video or first 64K)
(C3)DRAM Select page, Check BIOS setting and first SIMM, Possible address line
failure.
(C3)Initialize error display function.
(C4)CMOS conflicts, check video switch, BIOS(Chipset) on the video not
initializing.
Phoenix
Award
Phoenix
(C4)initialize system error handler.
Error Code - C5
AMI
Award
Phoenix
(C5)Power on delay complete. Going to enable ROM i.c. disable Cache if any.
(C5)Early shadow; OEM Specific-Early shadow enable for fast boot.
(C5)PnPnd dual CMOS(optional)
Error Code - C6
AMI
Award
(C6)Calculating ROM BIOS checksum.
(C6)Cache presence test; External cache size detection. (Check Memory first 64K.Check CPU
jumper Setting). Also, Check Video memory
(C6)Initialize notebook docking (optional).
Error Code - C7
Phoenix
AMI
Award
Phoenix
(C7)ROM BIOS checksum passed. CMOS shutdown register test to be done next. (C7)Shadow
video/system BIOS after memory pass.
(C7)Initialize notebook docking late.
Error Code - C8,C9
AMI
(C8)CMOS Shutdown register test done. CMOS checksum calculation to be done
next.
Award
Phoenix
Phoenix
(C8)CMOS Shutdown, time delay.
(C8)Force check(optional)
(C9)Extended checksum(optional)
Error Code - CA,CB,CC
AMI
(CA)CMOS checksum calculation is done, CMOS Drag byte written. CMOS status
register about to initializing for Date and Time.
(CA)Micronics cache initialization.
Award
22
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Appendix A
(CB)CMOS status register Init done. Any initialization before keyboard BAT to be
done next.
AMI
(CC)NMI handler shutdown.
Award
Error Code - CD-CF
(CD)BAT command to keyboard controller is to be issued.
(CE)Keyboard controller BAT result verified. Any initialization after KB controller.
(CF)Initialization after KB controller BAT done. Keyboard command byte to be
written next.
AMI
AMI
AMI
Error Code - D0-DC
(D0)Entry to clear memory routine.
(D0)Interrupt handler error.(Beep)=4-2-1-1
(D1)Keyboard controller command byte is written. Going to check pressing of
<INS> key during power-on.
(D1)Ready to go to protected mode.
(D2)Checking for pressing of <INS>key during power-on done. Going to disable
DMA and Interrupt controllers.
(D2)Ready to clear extended memory.
(D2)Unknown interrupt error.(Beep)=4-2-1-3
(D3)DMA controller #1,#2,interrupt controller #1,#2 disable. Video display is
disable and port-B is initialized. Chipset initialize/auto memory detection about to
begin.
Compaq
Phoenix
AMI
Compaq
AMI
Compaq
Phoenix
AMI
(D3)Ready to reset back to real mode.
(D4)Chipset Initialization/auto memory detection about to begin. Check SIMM for
mismatch.
Compaq
AMI
Compaq
Phoenix
AMI
(D4)Back in real mode-ready to clear real mode.
(D4)Pending interrupt error.(Beep)=4-2-2-1
(D5)RUNTIME code is un-compressed.
(D6)Initialize
option
ROM
error.(Beep)4-2-2-3.Shutdown
Phoenix
error.(Beep)=4-2-3-1.(DA)Extended Block Move.(Beep)=4 -2-3-3.(DC)Shutdown
10 error(Beep)=4-2-4-1
(DD)Transfer control to un-compressed code in shadow ram at F000:FFF0.
(E0)Ready to replace E000 ROM.
AMI
Compaq
Phoenix
(E0)Initialize the chipset.
Error Code - E1,E2
Compaq
Phoenix
Compaq
Phoenix
(E1)Completed E000 ROM replacement.
(E1)Initialize the bridge.
(E2)Ready to replace EGA ROM.
(E2)Initialize the motherboard chipset, and CPU.(Beep)=4-3 -1-3
Error Code - E3
(E3)Completed EGA ROM replacement.
(E3)Initialize refresh counter and system timer(Beep)=4-3- 1 -4
Error Code - E4-EC
(E4)Check for forced Flash or initialize system I/O.(Beep)= 4-3-2.(E5)Check HW
status of ROM or check force recovery boot.(Beep)4-3-2-2. (E6) BIOS ROM is
OK. (Beep) =4-3-2-3. (E7) Do a complete RAM Test or go to BIOS. (Beep)=4-3-2-4. (E8)Do
OEM initialization or set huge segment. (Beep)=4-3-3-1.
(E9) Initialize interrupt controller or initialize multi processor. (Beep)=4-3-3-2. (EA)Read in
bootstrap code or initialize OEM special code. (Beep)=4-3 -3-3. (EB) Initialize all vectors or
initialize PIC and DMA. (Beep)=4-3-3-4. (EC) Boot the
Flash program or initialize memory type. (Beep)=4-3-4-1. (ED) Initialize the boot
device or initialize memory size. (Beep)=4-3-4-2
Compaq
Phoenix
Phoenix
Error Code - EE
(EE)Unexpected Processor exception.
Award
Phoenix
(EE)Boot code was read OK or shadow boot block.(Beep)= 4-3-4-3
Error Code - F0-F7
(F0)Initialize interrupt vectors.(F1)Initialize Run Time Clock. (F2) Initialize video.
(F3)Initialize System Management Mode.(F4)Output one beep before
DOS.(F5)Boot to Mini DOS.(F6)Clear Huge Segment.(F7)Boot to Full DOS.
Error Code - FF
Phoenix
Phoenix
(FF)System booting. This means that the BIOS already passed control to the operation system.
If no error flags such as memory size are set ,boot via INT
19-load system from drive A, then C; display error message if correct boot device
not found. Boot system.
Award
23
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