Intel Computer Hardware SBC 370 User Manual

SBC-370  
SOCKET 370 CELERON, PENTIUM III  
Board Processor Guide  
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Table of Contents  
2
3
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4
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1 Features  
OVERVIEW  
The Intel® Socket 370 Celeron® and Pentium III (FC-PGA) with AGP VGA and 10/100  
Mbps Ethernet Single Board Computer (SBC-370) is a PICMG bus form factor board. It  
is equipped with a high performance Intel® Celeron processor (up to 500 MHz) or  
Pentium III (FC-PGA) 500 MHz (or above) processor, and advanced high performance  
multi-mode I/O.  
This board has a built-in DiskOnChip™ (DOC) Flash Disk for embedded applications.  
The DOC Flash Disk is 100% compatible to hard disk. Users can use any DOS com-  
mand without any extra software utility. The DOC currently is available from 2 MB to  
144 MB.  
An advanced high performance super AT I/O chip - Winbond W83977TF is used in  
the SBC-370 board. The on-chip UARTs are compatible with NS16C550. The parellel  
port and IDE interface are compatible with IBM PC/AT architecture.  
SBC-370 uses the advanced Intel 440BX Chipset which is 100% compatible chipset  
with PCI 2.1 standard.  
FEATURE LIST  
CPU  
Intel Celeron® processor up to 500 MHz and Pentium III (FC-PGA) 500 MHz (or above)  
processor  
PICMG bus, meets PCI 2.1 standard  
7DMA channels  
15 Interrupt levels  
Intel 82440BX 66/100MHz CPU Clock Chipset  
SDRAM  
Four 168-pin DIMM sites support up to 1 GB SDRAM  
Each DIMM module is 3.3 V SDRAM with a maximum of 256 MB  
6
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AGP VGA Controller  
S3 Trio® 3D/2x AGP VGA controller  
133 MHz AGP bus speed  
Screen resolutions supported up to 1280 x 1024 x 64K colors @ 60 Mz refresh  
Screen resolutions also supported up to:  
1600 x 1200 x 64K colors at 85 Hz refresh, non-interlaced mode  
1024 x 768 x 16M colors at 85 Hz refresh, non-interlaced mode  
Ethernet Controller  
Realtek RTL8139 IEEE802.u 100 BaseTX standard  
Dual Auto-sensing interface to 10Mbps, 100Mbps Network  
RJ45 connector for 10 BaseTX and 100 BaseTX  
Full Duplex capability  
Full software driver support  
Ultra DMA/33 Enhanced PCI EDI Interface  
Up to four PCI Enhance IDE hard drives  
Data transfer up to 33 MB/s  
Compatible with existing ATA-2 IDE specifications  
Multi-I/O Chip  
W83977  
All I/O setup by BIOS  
Two 16C550 RS-232C Ports  
One EPP/ECP Parallel Port, Floppy Port  
Floppy Disk Drive Interface  
Two 2.88 MB, 1.44MB, 1.2MB, 720K, or 360K floppy disk drives  
Two High Speed Series Ports  
NS16C550 compatible UARTs  
Parallel Port  
Bidirectional  
Features  
7
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Hardware Monitoring System  
Built-in LM78 hardware monitoring system  
Monitors power supply voltage and fan speed status  
Supports Serial Infrared (SIR) and Amplitude Shift Keyed IR(ASKIR) interface  
Supports two USB ports for future expansion  
IrDA Port  
USB Port  
ISAPLUS  
E2Key™  
Enhance the ISA bus drive capability  
1Kbit EEPROM (nonvolatile memory)  
Accepts read/write data by customer's program  
Stores system ID, password, and critical data on the board  
Watchdog Timer  
Can be set by 1, 2, 10, 20, 110, or 220 second periods  
Reset or NMI is generated when CPU does not periodically trigger the timer  
Your program uses hex 043 and 443 to control the watchdog and generate a system reset  
Flash Disk - DiskOnChip™  
100% compatibility with hard disk  
Supports M-Systems  
Built-in True FFS Transparent Flash Block Management and Space Reclamation, which  
allows the use of the Flash Disk with DOS command with no need for any extra software  
utility  
2 MB to 144 MB  
ATX Power Supply Function  
Connect to the backplanes and /or the ISBC card  
Power Consumption  
+5V/6.8A (Celeron 333 MHz, 512 MB SDRAM), +12V/170mA (maximum), -12V/60mA  
(maximum)  
Features  
8
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Operating Humidity  
5 - 95%, non-condensing  
WATCHDOG TIMER  
The Watchdog Timer is provided to ensure that standalone systems can recover from  
catastrophic conditions that cause the CPU to crash. This condition can occur from ex-  
ternal EMI or a software bug. When the CPU stops working correctly, hardware on the  
board will either perform a hardware reset (cold boot) or a Non-Maskable Interrupt  
(NMI) to bring the system back to a known state.  
Two I/O ports control the Watchdog Timer:  
443 (hex)  
043 (hex)  
Read  
Read  
Enable to refresh the Watchdog Timer  
Disable the Watchdog Timer  
To enable the Watchdog Timer, a read from I/O port 443H must be performed. This  
will enable and activate the countdown timer which will eventually timeout and  
either reset the CPU or cause a NMI, depending on the setting of JP5. To ensure  
that this reset condition does not occur, the Watchdog Timer must periodically be  
refreshed by reading the same I/O port 433H. This must be done within the time-  
out period that is selected by JP12.  
A tolerance of at least 20% must be maintained to avoid unknown routines  
within the operating system (DOS), such as disk I/O that can be very time consum-  
ing. Therefore, if the timeout period has been set to 10 seconds, the I/O port  
443H must be read within 7 seconds.  
Note: When exiting a program, it is necessary to disable the Watchdog Timer, otherwise  
the system will reset.  
E2KEY™ FUNCTION  
The SBC-370 provides an E2KEY™ function for system integrators. Based on the E2KEY  
utility, you can freely store the ID Code, Password, or Critical Data in the 1Kbit  
EEPROM. Because the EEPROM is nonvolatile memory, you don't have to worry about  
losing important data.  
The E2KEY utility is based on a 1Kbit EEPROM which is configured to 64 words  
(from 0 to 63). You can access (read or write) each word at any time.  
The E2KEY utility is provided on a CD-ROM with your system. The software utility  
will include four files as files:  
README.DOC  
E2KEY.OBJ  
EKEYDEMO.C  
EKEYDEMO.EXE  
9
Features  
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The E2KEY.OBJ provides two library functions for you to integrate your application  
with the E2KEY function. The read_e2key and write_e2key libraries are written and  
compiled in C language. To implement them, refer to the functions below:  
*/unsigned int read_e2key(unsigned int address): This function will return the  
E2KEY data to a certain address. The address range is from 0 to 63. Return data is  
one word, 16 bits.  
*/void write_e2key(unsigned int address, unsigned data): This function will write  
the given data to E2Key to a certain address. The address is from 0 to 63. The data  
value is from 0 to 0xffff.  
To begin using this function, refer to the included EKEYDEMO.C code.  
Note: The E2KEY function is based on the parallel port. Therefore, you should enable  
SBC-370's parallel port or it will not work.  
CONNECTING TO AN ATX POWER SUPPLY  
To Connect ATX Power Supply to the Backplanes and/or the ISBC Card  
1. Disconnect the AC cord from the power supply to prevent sudden electric surge.  
2. Connect the ATX power supply switch to the pin 17 (power button) and pin 19  
(+5VSB) of CN7 (multi panel) on the board.  
Figure 1. SBC-370  
(through Power  
Button and +5VSB).  
To turn off the power supply, push the ATX power switch button for about four seconds.  
To turn the system on, push the button once.  
Features  
10  
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2 Board Configuration  
BOARD LAYOUT  
Figure 2. SBC-370  
Configuration.  
JP3, CPU Frequency  
JP8, CPU Multiplier Setting  
JP5, Watchdog Timer Type  
Setting  
JP12, Watchdog Timeout Period  
JP11, DiskOnChip Memory  
Address Setting  
JP4, Clear CMOS Setup  
JP7, PS/2 Mouse Setting  
CN2, Floppy Disk Drive  
CN1, Primary IDE  
CN3, Secondary IDE  
CN4, Parallel Port  
CN12, Serial Port 9-pin  
D-sub (COM1)  
CN11, Serial Port 2x5 pin  
header (COM2)  
CN8, External Keyboard  
CN17, Mouse  
CN18, Keyboard/Mouse  
CN7, Multi Panel Switch  
CN9, USB  
CN6, IrDA  
J1, VGA  
CN10, LAN RJ45  
CN5, LED Connector for LAN  
CN13, CPU Fan  
CN14, System1 Fan  
CN15, System2 Fan  
DIMM1/2/3/4, DIMM Sockets  
Socket 370, Intel Socket 370  
Celeron processor  
12  
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JUMPERS  
The default settings are highlighted in the tables that follow.  
CPU Frequency Setting (JP3)  
Frequency  
50 MHz  
1-3  
2-4  
OFF  
ON  
ON  
OFF  
3-5  
ON  
OFF  
ON  
OFF  
4-6  
ON  
OFF  
OFF  
ON  
OFF  
ON  
OFF  
ON  
66 MHz/100 MHz*  
75 MHz  
83.3 MHz  
*Intel Celeron CPU will auto-detect 66 MHz.  
* Intel Pentium III (FC-PGA) CPU will auto detect 100MHz.  
*Refer to figure 2 for the location of JP3.  
CPU Multiplier Setting (JP8)  
Ration  
1-2  
3-4  
OFF  
OFF  
ON  
5-6  
ON  
OFF  
ON  
OFF  
ON  
OFF  
ON  
OFF  
ON  
OFF  
ON  
7-8  
ON  
ON  
ON  
ON  
ON  
ON  
OFF  
OFF  
OFF  
OFF  
OFF  
3.0 x  
3.5 x  
4.0 x  
4.5 x  
5.0 x  
5.5 x  
6.0 x  
6.5 x  
7x  
ON  
ON  
OFF  
OFF  
OFF  
OFF  
ON  
ON  
ON  
ON  
OFF  
ON  
OFF  
OFF  
ON  
ON  
OFF  
OFF  
ON  
7.5x  
8x  
Refer to figure 2 for the location of JP8.  
Watchdog Timer Type Setting (JP5)  
The Watchdog Timer is enabled by reading port 443H. It should be triggered be-  
fore the timeout period ends; otherwise, it will assume the program operation is  
abnormal and will issue a reset signal to reboot or activate NMI to CPU. The  
Watchdog Timer is disabled by reading port 043H.  
Pin Number  
Description  
NMI  
1-2  
2-3  
RESET  
Refer to figure 2 for the location of JP5.  
Board Configuration  
13  
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Watchdog Timeout Period (JP12)  
Period  
1 sec.  
1-2  
OFF  
3-4  
OFF  
5-6  
ON  
7-8  
OFF  
2 sec.  
OFF  
OFF  
OFF  
ON  
OFF  
ON  
ON  
ON  
OFF  
ON  
OFF  
ON  
10 sec.  
20 sec.  
110 sec.  
220 sec.  
OFF  
OFF  
OFF  
OFF  
ON  
OFF  
OFF  
ON  
Refer to figure 2 for the location of JP12.  
DiskOnChip™ Memory Address Setting (JP11)  
The DiskOnChip™ (DOC) Flash Disk Chip is produced by M-Systems. No extra soft-  
ware utility is needed because the DOC is 100% compatible to hard disk. It is  
"plug and play", easy, and reliable. The DOC is available from 2 MB to 144 MB.  
Pin Number  
Address  
1-2  
3-4  
5-6  
CE00-CFFF  
D600-D7FF  
DE00-DFFF  
Refer to figure 2 for the location of JP11.  
Clear CMOS Setup (JP4)  
If you forget the CMOS password, you can clear or reset it by closing JP4. After  
JP4 is closed, turn on the power for about three seconds, then turn it off and  
open JP4. Now, the password has been cleared from your CMOS.  
Pin Number  
Description  
2-3  
3-4  
Normal Operation  
Clear CMOS Setup  
Note: 1-4 is for connection with external battery (4=GND)  
Refer to figure 2 for the location of JP4.  
Board Configuration  
14  
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PS/2 Mouse Setting (JP7)  
The PS/2 mouse uses IRQ12 while in operation.  
JP7  
ON  
OFF  
Description  
Enable the PS/2 Mouse, IRQ12  
Disable the PS/2 Mouse  
Refer to figure 2 for the location of JP7.  
15  
Board Configuration  
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CONNECTORS  
This section describes how to connect peripherals, switches, and indicators to the  
SBC-370.  
Floppy Disk Drive Connector (CN2)  
The SBC-370 is equipped with a 34-pin daisy-chain drive connector cable. For the  
location of this connector, refer to CN2 in figure 2.  
Pin Number  
Description  
Pin Number  
Description  
GND  
1
GND  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
2
REDUCE WRITE  
STEP#  
3
GND  
GND  
4
NC  
WRITE DATA#  
GND  
5
GND  
6
NC  
WRITE GATE#  
GND  
7
GND  
8
INDEX#  
TRACK 0#  
GND  
9
GND  
10  
11  
12  
13  
14  
15  
16  
17  
18  
MOTOR ENABLE A#  
GND  
WRITE PROTECT#  
GND  
DRIVE SELECT B#  
GND  
READ DATA#  
GND  
DRIVE SELECT A#  
GND  
SIDE 1 SELECT#  
GND  
MOTOR ENABLE B#  
GND  
DISK CHANGE#  
DIRECTION#  
Board Configuration  
16  
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PCI E-IDE Disk Drive Connector (CN1/CN3)  
You can attach four IDE (Integrated Device Electronics) hard disk drives to the  
SBC-370 IDE controller.  
CN1 (IDE 1): Primary IDE Connector  
CN3 (IDE 2): Secondary IDE Connector  
For the location of these connectors, refer to CN1 and CN3 in figure 2.  
Pin Number  
Description  
RESET#  
GND  
Pin Number  
Description  
IDE DRQ  
GND  
1
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
2
3
DATA 7  
DATA 8  
DATA 6  
DATA 9  
DATA 5  
DATA 10  
DATA 4  
DATA 11  
DATA 3  
DATA 12  
DATA 2  
DATA 13  
DATA 1  
DATA 14  
DATA 0  
DATA 15  
GND  
IOW#  
4
GND  
5
IOR#  
6
GND  
7
IDE CHRDY  
GND  
8
9
IDE DACK  
GND  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
INTERRUPT  
NC  
SA 1  
NC  
SA 0  
SA 2  
HDC CS0#  
HDC CS1#  
HDD ACTIVE#  
GND  
NC  
17  
Board Configuration  
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Parallel Port (CN4)  
This port is usually connected to a printer. The SBC-370 includes an onboard par-  
allel port accessed through a 26-pin flat-cable connector. For the location of this  
connector, refer to CN4 in figure 2.  
Pin Number  
Description  
STROBE#  
DATA 0  
1
2
3
DATA 1  
4
DATA 2  
5
DATA 3  
6
DATA 4  
7
DATA 5  
8
DATA 6  
9
DATA 7  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
ACKNOWLEDGE  
BUSY  
PAPER EMPTY  
PRINTER SELECT  
AUTO FORM FEED #  
ERROR#  
INITIALIZE  
PRINTER SELECT LN#  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
NC  
Board Configuration  
18  
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Serial Ports (CN12/CN11)  
The SBC-370 offers two high speed NS16C550 compatible UARTs with Read/Re-  
ceive 16 byte FIFO serial ports (COM1/COM2).  
CN12: Serial Port 9-pin D-sub Connector (COM1)  
Pin Number  
Description  
DCD  
RXD  
1
2
3
4
5
6
7
8
9
TXD  
DTR  
GND  
DSR  
RTS  
CTS  
RI  
CN11: Serial Port 2x5 pin header Connector (COM2)  
Pin Number  
Description  
DCD  
DSR  
1
2
3
RXD  
RTS  
4
5
TXD  
6
CTX  
7
DTR  
8
RI  
9
GND  
NC  
10  
For the location of these connectors, refer to CN12 and CN11 in figure 2.  
19  
Board Configuration  
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Keyboard/Mouse Connector (CN8/CN17/CN18)  
The SBC-370 provides one external keyboard, one external mouse, and one PS/2  
keyboard and mouse connector.  
CN8: 5-pin Header External Keyboard Connector (see note below)  
Pin Number  
Description  
KB CLK  
KB DATA  
NC  
1
2
3
4
5
GND  
+5V  
CN17: PS/2 Mouse 5-pin Header Connector  
Pin Number  
Description  
MS DATA  
NC  
1
2
3
4
5
GND  
+5V  
MS CLK  
CN18: 6-pin Mini-DIN PS/2 Keyboard and Mouse Connector (see note below)  
Pin Number  
Description  
KB DATA  
NC  
1
2
3
4
5
6
GND  
+5V  
KB CLK  
NC  
For the location of these connectors, refer to figure 2.  
Note: A keyboard cannot be connected to CN8 and CN18 simultaneously. A mouse can-  
not be connected to CN17 and CN18 simultaneously. One of each device can be con-  
nected to CN18 via a Y adapter cable) or CN8 and CN17.  
Board Configuration  
20  
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External Switches and Indicators (CN7)  
There are several external switches and indicators for monitoring and controlling  
the CPU board. All the functions are in the CN7 Multi Panel connector. For the lo-  
cation of this connector, refer to figure 2.  
Pin Number  
Description  
SPEAKER  
VCC  
Pin Number  
Description  
GND  
1
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
2
GND  
3
NC  
IDE LED  
4
NC  
NC  
5
NC  
+5V  
6
GND  
ATX POWER CONTROL  
ATX POWER BUTTON  
ATX 5VSB  
ATX 5VSB  
ATX 5VSB  
7
+5V  
8
KEYLOCK  
RESET SW  
GND  
9
10  
USB Port Connector (CN9)  
The SBC-370 has two built-in USB ports for future I/O bus expansion. Pins 1, 3, 5,  
and 7 for USB 0. Pins 2, 4, 6, and 8 for USB 1. For the location of this connector,  
refer to figure 2.  
Pin Number  
Description  
VCC  
1
3
5
7
2
4
6
8
SBD0-  
SBD0+  
GND  
GND  
SBD1+  
SBD1-  
VCC  
21  
Board Configuration  
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IrDA Infrared Interface Port (CN6)  
The built-in IrDA port supports Serial Infrared (SIR) or Amplitude Shift Keyed IR  
(ASKIR) interface. To use the IrDA port, configure the SIR or ASKIR model in the  
BIOS's Peripheral Setup's COM2. Then, the normal RS-232 COM2 will be disabled.  
For the location of this connector, refer to figure 2.  
Pin Number  
Description  
VCC  
1
2
3
4
5
6
FIR-RX  
IR-RX  
GND  
IR-TX  
CIR-RX  
VGA Connector (J1)  
The built-in 15-pin VGA connector can be connected directly to your monochrome  
CRT monitor as well as a high resolution color CRT monitor. For the location of  
this connector, refer to figure 2.  
Pin Number  
Description  
RED  
1
2
GREEN  
BLUE  
3
4
NC  
5
GND  
6
GND  
7
GND  
8
GND  
9
VCC  
10  
11  
12  
13  
14  
15  
GND  
NC  
DDC DATA  
HSYNC  
VSYNC  
DDC CLK  
Board Configuration  
22  
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LAN RJ45 Connector (CN10)  
The SBC-370 is equipped with a built-in 10/100Mbps Ethernet Controller. You can  
connect it to your LAN through the RJ45 LAN connector. For the location of this  
connector, refer to figure 2.  
Pin Number  
Description  
TX+  
1
2
TX-  
3.  
4.  
5.  
6.  
7.  
8.  
RX+  
75 W termination  
75 W termination  
RX-  
75 W termination  
75 W termination  
LED Connector for LAN (CN5)  
For the location of this connector, refer to figure 2.  
Pin Number  
Description  
VCC  
1
2
LAN ACT.  
Fan Connector (CN13/CN14/CN15)  
The SBC-370 provides one CPU cooling fan connector and two system fan connec-  
tors. These connectors can supply 12V/500mA (maximum) to the cooling fan. The  
connector has a rotation pin that supplies the fan's rotation signal to the system  
so that the system BIOS can read the fan speed. For the location of each connec-  
tor, refer to figure 2.  
CN13: CPU Fan Connector  
CN14: System1 Fan Connector  
CN15: System2 Fan Connector  
Pin Number  
Description  
Fan Sensor  
+12V  
1
2
3
GND  
23  
Board Configuration  
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SYSTEM INTERRUPTS (IRQS)  
IRQ  
Description  
IRQ0  
IRQ1  
IRQ2  
IRQ3  
IRQ4  
IRQ5  
IRQ6  
IRQ7  
IRQ8  
IRQ9  
IRQ10  
IRQ11  
IRQ12  
IRQ13  
IRQ14  
IRQ15  
System Timer  
Keyboard  
Cascade to IRQ Controller  
COM2/COM4  
COM1/COM3  
Unused  
Floppy Drive (FDC)  
Printer  
Real Time Clock  
Unused  
Unused  
Unused  
PS/2 Mouse  
FPU  
Primary IDE  
Secondary IDE  
DMA CHANNEL ASSIGNMENTS  
Channel  
Function  
0
1
2
3
4
5
6
7
Available  
Available  
Floppy disk ( 8-bit transfer )  
Available  
Cascade for DMA Controller 1  
Available  
Available  
Available  
Board Configuration  
24  
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1ST MB MEMORY ADDRESS MAP  
The default setting is highlighted.  
Memory Address Description  
00000-9FFFF  
A0000-BFFFF  
C0000-CBFFF  
D6000-D7FFF  
E0000-FFFFF  
1000000-  
System Memory  
VGA Buffer  
VGA BIOS  
DOC 2000  
System BIOS  
Extend BIOS  
I/O MAP  
I/O Address Range  
000-01F  
Description  
DMA Controller #1  
Interrupt Controller #1, Master  
8254 Timer  
020-021  
040-05F  
060-06F  
8042 (Keyboard Controller)  
070-07F  
Real time Clock, NMI  
(non-maskable interrupt) Mask  
080-09F  
0A0-0BF  
0C0-0DF  
0F0  
DMA Page Register  
Interrupt Controller #2  
DMA Controller #2  
Clear Math Coprocessor Busy  
Reset Math Coprocessor  
Math Coprocessor  
Fixed Disk  
0F1  
0F8-0FF  
1F0-1F8  
200-207  
278-27F  
2E8-2EF  
2F8-2FF  
300-31F  
360-36F  
378-37F  
380-38F  
3A0-3AF  
3B0-3BF  
Game I/O  
Parallel Printer Port 2 (LPT3)  
Serial Port 4  
Serial Port 2  
Prototype Card  
Reserved  
Parallel Printer Port 1 (LPT2)  
SDLC, Bisynchronous 2  
Bisynchronous 1  
Monochrome Display and  
Printer Adapter (LPT1)  
3C0-3CF  
3D0-3DF  
3E8-3EF  
3F0-3F7  
3F8-3FF  
443  
Reserved  
Color/Graphics Monitor Adapter  
Serial Port 3  
Diskette Controller  
Serial Port 1  
Watchdog Timer Enable  
Watchdog Timer Disable  
043  
25  
Board Configuration  
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3 AMI BIOS Setup Menus  
The SBC-370 uses the AMI PCI/ISA BIOS for system configuration. The AMI BIOS  
setup program is designed to provide maximum flexibility in configuring the sys-  
tem by offering various options for end user requirements. This section is pro-  
vided to assist you in the proper usage of these features.  
GETTING STARTED  
When you turn the system on, the BIOS will enter the Power-On-Self-Test routines.  
These routines will be executed for system test and initialization and system con-  
figuration verification.  
Hit DEL if you want to run SETUP  
To access AMI PCI/ISA BIOS Setup program, press the Del key. The following screen  
will be displayed at this time.  
STANDARD CMOS SETUP  
The standard CMOS Setup is used for basic hardware system configuration. The main  
26  
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function is for Date/Time setting and Floppy/Hard Disk setting. Refer to the following  
screen.  
Date/Time: Use the left arrow, right arrow, and Enter keys to move from one field to the  
next. The numeric keys, 0-9, are used to change the field values. To set the date  
(MM:DD:YYYY), select one of the fields (Month, Day, or Year) and then press either  
PgUp or PgDn to set it to the current Month, Day, and Year. Follow the same procedure  
for setting the Time (HH/MM/SS). The hour is calculated according to a 24-hour mili-  
tary clock, i.e., 00:00:00 through 23:59:59.  
Note: It is not necessary to enter the seconds or type zeros in front of numbers.  
IDE hard disk drive setup: Use one of the following setup procedures:  
Use the Auto setting for detection during boot-up.  
Use the Auto-Detect Hard Disk option in the main menu; the computer will  
automatically detect the HDD specifications.  
Manually enter the specifications from the User option.  
ADVANCED CMOS SETUP  
The Advanced CMOS Setup is designed for optimizing the performance of the  
SBC-370. Under normal operation, you do not have to change any default set-  
tings. The default settings are preset for the most reliable operation.  
27  
AMI BIOS Setup Menus  
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The following screen will be displayed if you select Advanced CMOS Setup:  
You can change the value of each option by using the PgUp and PgDn key. The avail-  
able options are shown on the right side of the screen.  
Quick Boot > : With the Quick Boot set to Enabled, the BIOS will only check the first 1 MB  
of the system memory, providing a quick boot when you turn on your computer. With  
the Quick Boot Disabled, the BIOS will test all system memory when it boots up. It will  
spend about 40 seconds until it receives a Ready signal from the HDD. It will also wait  
for you to press the Del key.  
1st, 2nd, 3rd Boot Device >: This is used to define the sequence of boot drives after the rou-  
tine check up completes. If the 1st Boot Device fails, the BIOS will attempt to boot from  
the 2nd or 3rd device. The Optimal and Fail-Safe default settings are C:, A:, CDROM.  
Try Other Boot Devices >: The BIOS will try to boot from any other available device in the  
system if the 1st, 2nd, and 3rd device fails to boot.  
Floppy Access Control >: This defines the read/write access which is set when booting from  
a floppy drive.  
Hard Disk Access Control >: This defines the read/write access which is set when booting  
from a HDD.  
S.M.A.R.T. for Hard Disks >: Allows the BIOS to use the System Management and Reporting  
Technologies protocol for reporting server system information on a network.  
BootUp Num-Lock >: Turns on/off the Num-Lock option on an enhanced keyboard when  
you boot. If you turn it off, the arrow keys on the numeric keypad can be used just as  
the other set of arrow keys on the keyboard and vice versa.  
AMI BIOS Setup Menus  
28  
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Floppy Drive Swap >: This function enables you to swap the floppy disk drives through  
software without moving the hardware.  
Floppy Drive Seek >: When this option is Enabled, the BIOS will perform a Seek command  
on floppy drive A: before boot-up.  
PS/2 Mouse Support >: This is used to determine whether or not a PS/2 mouse is supported.  
System Keyboard >: Configures the keyboard. If you set it to Absent, the BIOS will not re-  
port keyboard errors.  
Primary Display >: Used to define the type of display monitor for the system. The Absent  
option is for network file servers.  
Password Check >: Used to define whether or not a password is necessary for access to the  
BIOS setup.  
Boot to OS/2 >: If you run the OS/2 operating system, this option must be set to Yes, per-  
mitting the BIOS to run properly if OS/2 or any other OS that does not support Plug  
and Play is found in your computer.  
CPU Serial Number> : This option is available only if you use a Pentium® III processor.  
Cache Bus ECC >: This option is available only if you use a Pentium® III processor.  
System BIOS Cacheable >: Used to define whether or not the memory segment FOOOH can  
be read from or written to cache memory. Setting it to Enabled will provide faster execu-  
tion in your system.  
XXXX, 16k Shadow >: ROM Shadow is a technique in which BIOS code is copied from  
slower ROM to faster RAM. If you enable it, the BIOS will be executed from the RAM.  
Each option allows 16 K segment to be shadowed to the RAM.  
29  
AMI BIOS Setup Menus  
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ADVANCED CHIPSET SETUP  
These setup functions are working mostly for Chipset (Intel 440BX). These op-  
tions are used to change the Chipset's registers. Carefully change any default set-  
ting, otherwise the system will run unstably.  
Configure SDRAM Timing by SPD >: Enabled will select predetermined optimal values of chipset  
parameters. When Disabled, chipset parameters return to setup information stored in CMOS.  
SDRAM RAS# to CAS Delay >: Used to specify the relative delay between row and column ad-  
dress strobe from SDRAM.  
SDRAM RAS# Precharge >: This option specifies the length of time for Row Address Strobe  
from SDRAM to precharge.  
SDRAM CAS# Latency >: Used to specify the CAS latency timing from SDRAM DRAM.  
DRAM Integrity Mode >: Used to choose DRAM Integrity Mode; ECC/EC will enable the Error  
Checking and Correction DRAM integrity mode.  
DRAM Refresh Rate >: Used to specify the timing for DRAM Refresh.  
Memory Hole >: Used to specify the location of a memory hole in the CMOS RAM. This set-  
ting reserves 15 to 16 MB memory address space for ISA expansion cards that specifi-  
cally require this setting. Memory from 15 MB and up will be unavailable to the system  
because expansion cards can only access memory up to 16 MB.  
VGA Frame Buffer USWC >: Used to specify whether or not a caching of the video A000-BFFF  
RAM is allowed. Enabled will provide better system performance.  
AMI BIOS Setup Menus  
30  
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PCI Frame Buffer USWC >: Used to specify whether or not a caching of the PCI VGA frame  
buffer is allowed.  
USWC Write Post >: Enable or disable the use of Uncacheable, Speculatable, Write-Com-  
bined memory.  
Graphics Aperture Size >: Define the size of Graphics Aperture.  
Search for MDA Resources >: Allows the BIOS to search for MDA resources when Yes is specified.  
8bit I/O Recovery Time >: Define the length of time for 8 bit I/O recovery.  
16bit I/O Recovery Time >: Define the length of time for 16 bit I/O recovery.  
USB Passive Release >: Specify whether or not PIIX4 is allowed to use Passive Release  
while transferring control data for USB transactions.  
PIIX4 Passive Release >: PIIX4 points to the Intel 82371AB PCI/ISA/IDE Xcelerator chip. Set-  
ting this option to Enabled will prioritize PCI at the top, then IDE and ISA.  
PIIX4 Delayed Transaction >: Used to enable or disable the embedded 32-bit posted write  
buffer, which supports delay transaction.  
USB Function >: Enable or disable the USB (Universal Serial Bus) functions.  
31  
AMI BIOS Setup Menus  
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POWER MANAGEMENT SETUP  
Power Management/APM >: Enables or disables the Advanced Power Management feature.  
Green PC Monitor Power State >: Specify the power state of the monitor after the specified pe-  
riod of display-idle has ended.  
Video Power Down Mode >: Specify the power state of the VESA VGA video subsystem after  
the specified period of display-idle has ended.  
Hard Disk Power Down Mode >: Specify the power state of the hard disk after the specified pe-  
riod of hard drive-idle has ended.  
Standby Time Out (Minute) >: Specify the length of the system-idle period while the system is  
in full power-on state. After this period of time has ended, the system will go into  
Standby state.  
Suspend Time Out (Minute) >: Specify the length of the system-idle period while the system is in  
Standby state. After this period of time has ended, the system will go into Suspend state.  
Throttle Slow Clock Ratio >: Specify the speed of the system clock under power saving state.  
The figure is a ratio between power conserving and normal state CPU clock.  
Modem Use IO Port >: Assign a port for modem.  
Modem Use IRQ >: Assign an IRQ for modem.  
Display Activity >: Specify if the BIOS should monitor display activity or not.  
Device X >: Used to monitor or ignore specified device IRQs.  
AMI BIOS Setup Menus  
32  
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PCI/PLUG AND PLAY SETUP  
This setup handles the SBC-370 PCI function. All PCI bus slots on the system use  
INTA#, thus all installed PCI slots must be set.  
Plug and Play Aware O/S >: When PNP OS is installed, interrupts will be reassigned by the  
OS when the setting is Yes. When a non-PNP OS is installed or to prevent reassigning  
of interrupt settings, set the setting to No.  
Clear NVRAM >: Specify whether or not the BIOS will clear NVRAM on every boot.  
PCI Latency Timer (PCI Clocks) >: Define the latency timing (PCI clock) for all PCI devices on  
the PCI bus.  
PCI VGA Palette Snoop >: This option is useful only for a system with more than one VGA  
device connected to it through different bus (one PCI and one ISA). To enable those  
various VGA devices to handle signals from the CPU on each set of palette registers of  
every video device, it must be set to Enabled.  
Note: If another PCI or ISA video card is needed other than the onboard VGA, set PCI  
VGA Palette Snoop to Enabled. The system will automatically recognize and use the additional  
video card when Enabled.  
Allocate IRQ to PCI VGA >: To allocate IRQ to PCI VGA, select Yes.  
PCI IDE BusMaster >: Used to include the BusMastering capability into the IDE Controller  
on the PCI.  
33  
AMI BIOS Setup Menus  
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Offboard PCI IDE Card >: This function is used to specify whether or not an offboard PCI  
IDE card is installed in your computer. You must specify the slot number on the board  
which will be used for the card.  
Offboard PCI IDE Primary (/Secondary) IRQ >: Specify the PCI interrupt that is assigned to the Pri-  
mary (/Secondary) IDE channel on the offboard PCI IDE controller.  
PCI Slot (1,2,3,4) IRQ Priority >: Specify the IRQ priority to be used by the PCI devices on slots  
1 to 4.  
DMA Channel (0,1,3,5,6,7) >: Used to indicate whether or not the DMA channel is assigned for  
a PnP or ISA card.  
IRQ (3,4,5,7,9,10,11,14,15) >: Assign the displayed IRQ to be used by a legacy ISA adapter  
card. The settings are ISA/EISA or PCI/PnP.  
PERIPHERAL SETUP  
This setup works mostly on Multi-I/O Chip (W83977F). The options are used to  
change the Chipset's registers. Carefully change any default setting to meet your  
application needs. The only concern is Onboard Serial Port 2. If you want to use  
the IrDA port, you have to configure the SIR or ASKIR model in the BIOS's Periph-  
eral Setup's COM2; the RS-232 COM2 will be disabled.  
Onboard FDC >: Used to enable the FDC on your board. If you set it to Auto, the BIOS will  
automatically decide if the FDC should be enabled.  
Onboard Serial Port A (/B) >: Specify the I/O port address of the serial port 1(/2). If you set it  
to Auto, the BIOS will decide the correct I/O port address automatically.  
AMI BIOS Setup Menus  
34  
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Serial Port B Mode >: Specify the mode of serial port 2.  
IR Duplex Mode >: Specify the mode of IR device that is connected to the IR port.  
IrDA Protocol >: Specify the function mode if an IrDA mode is selected.  
Onboard Parallel Port >: Specify the I/O port address of the parallel port.  
Parallel Port Mode >: Used to specify the mode of parallel port. The options are:  
Normal (normal parallel port mode)  
Bi-Dir (supports bidirectional transfer)  
EPP (supports devices that comply with the Enhanced Parallel Port specification)  
ECP (supports devices that comply with the Extended Capabilities Port)  
Parallel Port IRQ >: This option is used to assign certain IRQ to the parallel port. The opti-  
mal and fail-safe setting is 7.  
Parallel Port DMA Channel >: This function is available only if the parallel port mode is ECP.  
The optimal and fail-safe setting is 3.  
Onboard IDE >: Define which onboard IDE controller channel(s) should be used. Avail-  
able options are: Primary, Secondary, Both, and Disabled.  
35  
AMI BIOS Setup Menus  
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HARDWARE MONITOR SETUP  
There is a LM78 chip that can monitor onboard system voltage and fan speed.  
The voltage monitoring will cover +5V, +12V, -12V, and -5V.  
Note: Normal CPU fan RPM is more than 5000 RPM. If your CPU fan RPM is less than  
5000 RPM, something is wrong and the CPU will be in overheat condition. Make sure  
that the connection at CN12/CN13 is correct.  
AMI BIOS Setup Menus  
36  
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CHANGE SUPERVISOR/USER PASSWORD  
Set a password that is used to protect your system and Setup Utility. Supervisor  
Password has higher priority than User Password. Once you setup the password,  
the system will ask you to enter the password every time you enter the BIOS SETUP.  
If you enter the BIOS SETUP with the Supervisor Password, you can access every  
setup option on the main menu. With a User Password, you can only choose three  
setup options (Change User Password, Save Setting and Exit, and Exit Without Saving). To disable  
these passwords, enter the BIOS SETUP menu with the Supervisor Password and  
then press the Enter key instead of entering a new password when the Enter Password  
prompt appears.  
AUTO-DETECT HARD DISK  
This option detects the parameters of an IDE hard disk drive (HDD sector, cylin-  
der, head, etc.) automatically and will put the parameters into the Standard  
CMOS Setup screen. Up to 4 IDE drives can be detected and the parameters will  
be listed in the box. Press Y if you accept these parameters. Press N to skip to the  
next IDE drive.  
Note: If your IDE HDD was formatted in a previous system, incorrect parameters may  
be detected. In this case, you need to enter the correct parameters manually or low-level  
format the disk.  
37  
AMI BIOS Setup Menus  
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AUTO CONFIGURATION WITH OPTIMAL SETTINGS  
This option lets you load the Optimal default settings. These settings are  
best-case values that will provide the best performance. Whenever your CMOS  
RAM is damaged, the Optimal settings will be loaded automatically.  
AMI BIOS Setup Menus  
38  
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AUTO CONFIGURATION WITH FAIL SAFE SETTINGS  
This option allows you to load the Fail Safe default settings when your computer  
cannot boot normally. These settings are not optimal, but are the most stable.  
SAVE SETTINGS AND EXIT  
Select this option when you finish setting all the parameters and want to save  
them into the CMOS. Simply press the Enter key and all the configuration changes  
will be saved.  
EXIT WITHOUT SAVING  
Select this option if you want to exit the Setup without saving the changes that you  
made. Simply press the Enter key and you will exit the BIOS SETUP without saving the  
changes.  
39  
AMI BIOS Setup Menus  
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Index  
A
D
B
E
F
G
H
C
connector  
I
I/O recovery time  
J
jumper  
40  
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S
K
L
M
T
O
U
P
password  
V
W
Q
R
41  
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139908(D)  
Xycom Automation, Inc.  
Canada Sales: 905-607-3400  
734-429-4971 • Fax: 734-429-1010  
Northern Europe Sales: +44-1604-790-767  
Southern Europe Sales: +39-011-770-53-11  
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