SBC-780
Pentium III Socket 370
Full-Size CPU Card
With LCD, Ethernet, Audio,
PCI/104 & CompactFlashTM
SBC-780 Rev A Manual 4 th Ed. Feb. 2004
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Acknowledgments
Award is a trademark of Award Software International, Inc.
CompactFlashä is a registered trademark ofthe Compact Flash
Association.
Intel®, Pentium®!!!, and Celeron® are trademarks of Intel® Corporation.
®
Microsoft Windows is a registered trademark of Microsoft Corp.
ITE is a trademark of Integrated Technology Express, Inc.
IBM, PC/AT, PS/2, and VGA are trademarks of InternationalBusiness
Machines Corporation.
VIA, C3 CPU, S3 Savage and Twister-T Graphic are trademarks of VIA
Technology , Inc.
RTL8139/8100 is a trademark of Realtek Semi-Conductor Co., Ltd.
SoundBlaster is a trademark of Creative Labs, Inc.
USB is a trademark ofUSB Implementers Forum, Inc.
PCI-104 is a registered trademark of PC/104 Consortium.
All other product names or trademarks are properties of their respective owners.
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Packing List
Before you begin installing your card, please make sure that the following
materials have been shipped:
·
·
·
·
·
·
·
·
·
·
·
1
1
SBC-780 Full-Size CPU Card
Quick Installation Guide
1 CD -ROM for manual (in PDF format) and drivers
1 HDD Cable (ATA 66/100)
1 FDD Cable
1 Audio and COM Port Cable with bracket
1 LPT and COM Port Cable with bracket
1 Y -Cable (Keyboard and Mouse)
1 USB Cable with bracket
1
1
Jumper Cap
Short Copper Kit
If any of these itemsshould be missing or damaged, please contact your
distributor or sales representative immediately.
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Contents
Chapter 1 General Information
1.1 Introduction ..................................................................................1-2
1.2 Features .........................................................................................1-3
1.3 Specifications ................................................................................1-4
Chapter 2 Quick Installation Guide
2.1 Safety Precautions ........................................................................2-2
2.2 Location of Connectors and Jumpers........................................2-3
2.3 Mechanical Drawing.....................................................................2-5
2.4 List of Jumpers .............................................................................2-7
2.5 List of Connectors........................................................................2-8
2.6 Setting Jumpers.............................................................................2-10
2.7 LCD Voltage Selection (JP2) ......................................................2-11
2.8 TFT_LCD Clock Selection (JP3) ...............................................2-11
2.9 COM2 RS-232/422/485 Selection (JP6 & JP 7) ......................2-11
2.10 Clear CMOS (JP8) ......................................................................2-12
2.11 PCI-104 I/O Voltage Selection (JP10)....................................2-12
2.12 COM2 Ring/+5V/+12V Selection (JP11)..............................2-12
2.13 Optional ATX Power Connector (CN1) .................................2-13
2.14 TTL_LCD Connector (CN2) ...................................................2-13
2.15 TTL_LCD Connector (CN3) ...................................................2-14
2.16 Channel 1 LVDS Connector (CN4).........................................2-15
2.17 Channel 1 LVDS Connector (CN5).........................................2-15
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2.18 SIR Connectors (CN6) ..............................................................2-16
2.19 USB Connectors (CN8/CN9) ..................................................2-16
2.20 LPT Port Connector(CN10) ....................................................2-17
2.21 COM2 RS-232/422/485 Serial Port Connector (CN11).......2-17
2.22 Floppy Connector (CN12) ........................................................2-18
2.23 COM1 RS-232 Serial Port Connector (CN13)........................2-19
2.24 Power Connector (CN14 / CN15) ..........................................2-19
2.25 PS2 Keyboard/Mouse Connector(CN17)..............................2-20
2.26 VGA Display Connector (CN18).............................................2-21
2.27 10/100Base-Tx RJ-45 Ethernet Connector (CN19/CN20)..2-21
2.28 CompactFlashä Disk Connector (CN21)...............................2-22
2.29 Internet Keyboard Connector (CN22) ....................................2-23
2.30 Internal Mouse Connector (CN23) ..........................................2-23
2.31 Audio Input/Output Connector (CN24) ................................2-23
2.32 Fan Connectors (FAN1&FAN2) .............................................2-24
2.33 Primary/Secondary Hard Drive Connector(IDE1&IDE2) .2-24
2.34 Front Panel Connector (JP5) ....................................................2.25
Chapter 3 Award BIOS Setup
3.1 System Test and Initialization. ....................................................3-2
3.2 Award BIOS Setup.......................................................................3-3
3.2.1 Main Setup............................................................................3-6
3.2.2 Advanced Features Setup ......................................................3-9
3.2.3 Default Setup ........................................................................3-28
3.2.4 Security Setup........................................................................3-29
3.2.5 PC Health Setup....................................................................3-30
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3.2.6 Clk/Voltage Setup.................................................................3-31
3.2.7 Exit Setup..............................................................................3-32
Chapter 4 Driver Installation..........................................4-1
Appendix A Programming the WatchDog Timer..A-1
Appendix B CFD Cover Installation Guide.. ………….B-1
B.1 How to install the CompactFlash cover...............................B-2
B.2 How to disassemble the CompactFlash cover......................B-6
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Chapter
General
Information
Chapter 1 General Information
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1.1 Introduction
The all-in-one SBC-780 single board computer series is designed for
embedded applications where full features and performance are
major concerns. The various CPU options support Intel Pentium III,
Celeron (up to Tualatin 1.4GHz) and VIA C3 processors (up to
1.1GHz), SBC-780 series brings with its significant gains in
performance. SBC-780 series is powered by with the VIA Twister-T
system chipset.
An integrated AGP 4X 2D/3D graphics accelerator is also provided.
With Dual channel LVDS interface, the SBC-780 series supports
TFT-DSTN LCD displays and CRT monitor simultaneously. It also
provides up to 1600x1200 resolution for CRT and 1024x768
resolution for LCD with UMA 32MB display memory.
Excellent connectivity is provided by embedded 10/100Mbps Fast
Ethernet connection. Two DIMM slots for a total of 1GB RAM
memory ensures that users have more than enough memory to
handle leading applications. Moreover, one CompactFlashTM Type II
slot is supported as external storage. The SBC-780 series is fully
functional, offering comprehensive I/O support, including 4 USB
ports for connecting the latest peripherals. The SBC-780 series is
equipped with the range of legacy ports, including a parallel port, an
IrDA port, and an AC-97 2.1/SoundBlaster compatible audio.
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1.2 Features
·
Supports VIA C3 up to 1.1GHz & Intel CPU up to 1.4GHz
(66/100/133MHz FSB)
·
Integrated AGP 4X 2D/3D Graphics Accelerator share memory
up to 32MB
·
·
Supports CRT and 36-bit TTL/LVDS TFT/DSTN panels
Integrated AC-97 2.1 / SoundBlaster– compatible legacy audio
Supports Compact Flash Type II Storage
·
·
Supports Dual 10/100Base-T Fast Ethernet (Single LAN option
provided)
·
Supports Ultra ATA-100 with data transfer rate up to 100
MB/Sec
·
2COMS / 1 Parallel / 4 USB / 1 IrDA Port
·
PICMG 2.0 expansion interface and PCI-104
Watchdog Timer
·
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1.3 Specifications
System
CPU
Socket 370, support VIA C3 up to
1.1GHz & Intel Pentium III / Celeron
(Coppermine / Tualatin) 66/100/133MHz
FSB, supports up to 1.4GHz
168pin 3.3V SDRAM DIMM Socket x 2,
total up to 1024MB PC133
VIA VT8606
System Memory
Chipset
VIA VT82C686B
IO Chipset
BIOS
VIA VT82C686B
Award Plug & Play ISA BIOS – 2Mb
Realtek 8139D, 10/100Mbps x 2, use
External RJ-45 Connector
Ethernet:
SSD
Supports CompactFlashä Type II Slot
(shared with secondary IDE, bootable)
1~255sec, 64 level and can be set with
software
Watchdog timer
Expansion Interface: PICMG 2.0, PCI -104 interface
Battery
3V Lithium battery
DMA
7 DMA channels (8237 equivalent)
15 interrupt levels (8259 equivalent)
Power supply voltages, fan speed,
and temperature monitoring
Interrupt
H/W status
monitoring
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Power supply voltage +5V (4.75V to 5.25V), +12V (11.4V to
12.6V), -5V (-4.75V to -5.25V), -12V
(-11.4V to –12.6V), ATX/AT
13.3” (L) x 4.8” (W) (338mm x 122mm)
1.2lb (0.5kg)
Size / Weight
Operating temperature 32°F to 140°F (0°C to 60°C)
I/O
Enhanced IDE
Interface
ATA-100 x 2 channel
(support 4 ATAPI devices)
Standard FDD port x 1
FDD Interface
(supports up to 2 floppy devices)
COM1: RS-232
Serial Ports
COM2: RS-232/RS-422/RS-485
supports SPP/EPP/ECP mode
Mini-DIN for PS/2 K/B and mouse
Parallel Port
Keyboard / PS2
Mouse connector connector x 1
Internal keyboard pin header x 1
Internal mouse pin header x 1
One IrDA Tx/Rx header
Realtek ALC201 AC97 multi-channel
codec
IrDA
Audio
USB
Two 5x2 pin headers
(support 4 USB 1.1 ports)
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Display
Chip
VIA VT8606
Memory Size
Resolution
Shared memory up to 32MB
Up to 1600x1200@16bpp colors for CRT
Up to 1024x768@24bpp colors for LCD
18/36-bit TFT/DSTN LCD
LCD Interface
LVDS Interface
single/dual channel LVDS LCD panels
CRT and LCD can display simultaneously
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Chapter
Quick
Installation
Guide
Notice:
The Quick Installation Guide is derived from Chapter 2 of
user manual. For other chapters and further installation
instructions, please refer to the user manual CD-ROM that
came with the product.
Part No. 2007780011 Printed in Taiwan Nov. 2003
Chapter 2 Quick Installation Guide
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2.1 Safety Precautions
Always completely disconnect the power cord from
your board whenever you are working on it. Do not
make connections while the power is on, because a
sudden rush of power can damage sensitive
electronic components.
Always ground yourself to remove any static charge
before touching the board. Modern electronic
devices are very sensitive to static electric charges.
Use a grounding wrist strap at all times. Place all
electronic components on a static-dissipative surface
or in a static-shielded bag when they are not in the
chassis
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2.2 Location of Connectors and Jumpers
Locating connectors and jumpers (component side)
CHIPS
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Locating connector (solder side)
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2.3 Mechanical Drawing
Mechanical drawing (component side)
CHIPS
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Mechanical Drawing (solder side)
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2.4 List of Jumpers
The board has a number of jumpers that allow you to configure your
system to suit your application.
The table below shows the function of each of the jumpers of the board:
Jumpers
Label
Function
JP2
JP3
JP6
JP7
JP8
JP10
JP11
LCD Voltage Selection
TTL-LCD Clock Selection
COM2 RS-232/422/485 Selection
COM2 RS-232/422/485 Selection
Clear CMOS
PCI-104 I/O Voltage Selection
COM2 Ring/+5V/+12V Selection
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2.5 List of Connectors
The board has a number of connectors that allow you to configure your
system to suit your application.
The table below shows the function of each of the connectors of the
board:
Connectors
Label
Function
CN1
CN2
Optional ATX Power Connector
TTL_LCD Connector
CN3
TTL_LCD Connector
CN4
Channel 1 LVDS Connector
Channel 2 LVDS Connector
SIR Connector
CN5
CN6
CN8
USB1/2 Connector
CN9
USB3/4 Connector
CN10
CN11
CN12
CN13
CN14 /15
CN17
CN18
CN19
CN20
CN21
CN22
CN23
CN24
LPT Port Connector
COM2 RS-232/422/485 Serial Port Connector
Floppy Connector
COM1 RS-232 Serial Port Connector
POWER Connector
PS2 Keyboard/Mouse Connector
VGA Display Connector
10/100Base-T RJ-45 Ethernet Connector / LAN 1
10/100Base-T RJ-45 Ethernet Connector / LAN 2
CompactFlashä Disk Connector
Internal Keyboard Connector
Internal Mouse Connector
Audio Input/Output Connector
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DIMM1
DIMM Slot
DIMM2
FAN1
FAN2
IDE1
IDE2
PCI1
JP5
DIMM Slot
CPU Fan Connector
System Fan Connector
Primary IDE Hard Drive Connector
Secondary IDE Hard Drive Connector
PCI-104 Connector
Front Panel Connector
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2.6 Setting Jumpers
You configure your card to match the needs of your application by setting
jumpers. A jumper is the simplest kind of electric switch. It consists of two
metal pins and a small metal clip (often protected by a plastic cover) that
slides over the pins to connect them. To “close” a jumper you connect the
pins with the clip.
To “open” a jumper you remove the clip. Sometimes a jumper will have
three pins, labeled 1, 2 and 3. In this case you would connect either pins 1
and 2 or 2 and 3.
3
2
1
Open
Closed
Closed 2-3
A pair of needle-nose pliers may be helpful when working with jumpers.
If you have any doubt about the best hardware configuration for your
application, contact your local distributor or sales representative before you
make any change.
Generally, you simply need a standard cable to make most connections.
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2.7 LCD Voltage Selection (JP2)
JP2
1-2
Function
+5V
2-3
+3.3V (Default)
2.8 TFT_LCD Clock Selection (JP3)
JP3
1-2
Function
CLK (Default)
Reverse CLK
2-3
2.9 COM2 RS-232/422/485 Selection (JP6&JP7)
JP7
1-2
3-4
5-6
JP6
Function
RS-232 (Default)
RS-422
1-2, 4-5, 7-8, 10-11
2-3, 5-6, 8-9, 11-12
2-3, 5-6, 8-9, 11-12
RS-485
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2.10 Clear CMOS (JP8)
Warning:
To avoid damaging the computer, always turn off the power supply before setting “ Clear
CMOS.” Before turning on the power supply, set the jumper back to “Protected”
JP8
1-2
Function
Protected (Default)
Clear CMOS
2-3
2.11 PCI-104 I/O Voltage Selection (JP10)
JP10
1-2
Function
+5V (Default)
+3.3V
2-3
2.12 COM2 Ring/+5V/+12V Selection (JP11)
JP11
1-2
Function
+12V
3-4
+5V
5-6
Ring (Default)
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2.13 Optional ATX Power Connector (CN1)
Pin
1
Signal
N.C
2
GND
3
N.C
4
GND
5
PS-ON
+5VSB
6
2.14 TTL_LCD Connector (CN2)
Pin
1
Signal
+5V
Pin
2
Signal
+5V
3
GND
+3.3V
ENBKL
N.C
4
GND
+3.3V
GND
N.C
5
6
7
8
9
10
12
14
16
18
20
22
24
26
28
11
13
15
17
19
21
23
25
27
B00
B01
B02
B03
B04
B05
N.C
N.C
G00
G02
G04
N.C
G01
G03
G05
N.C
R00
R01
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29
31
33
35
37
39
R02
30
32
34
36
38
40
R03
R05
GND
R04
GND
DOT_CLOCK
VSYNC
HSYNC
ENAVEE
DE
N.C
2.15 TTL_LCD Connector (CN3)
Pin
Signal
Pin
Signal
1
GND
B10
B12
B14
G10
G12
G14
R10
R12
R14
2
GND
B11
B13
B15
G11
G13
G15
R11
R13
R15
3
4
5
6
7
8
9
10
12
14
16
18
20
11
13
15
17
19
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2.16 Channel 1 LVDS Connector (CN4)
Pin Signal
Pin Signal
1
LVDS_TX1OUT1+
2
LVDS_TX1OUT1-
GND
3
GND
4
5
LVDS_TX1CLK+
GND
6
LVDS_TX1CLK-
PPVCC
7
8
9
PPVCC
10
12
14
16
18
20
PPVCC
11
13
15
17
19
LVDS_TX1OUT2+
GND
LVDS_TX1OUT2-
GND
LVDS_TX1OUT0+
N.C
LVDS_TX1OUT0-
N.C
ENVDD
N.C
2.17 Channel 2 LVDS Connector (CN5)
Pin Signal
Pin Signal
1
LVDS_TX2OUT1+
2
LVDS_TX2OUT1-
GND
3
GND
4
5
LVDS_TX2CLK+
GND
6
LVDS_TX2CLK-
PPVCC
7
8
9
PPVCC
10
12
14
16
18
PPVCC
11
13
15
17
LVDS_TX2OUT2+
GND
LVDS_TX2OUT2-
GND
LVDS_TX2OUT0+
N.C
LVDS_TX2OUT0-
N.C
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2.18 SIR Connector (CN6)
Pin Signal
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1
2
3
4
5
+5V
NA
CIRRX
GND
CIRTX
2.19 USB Connectors (CN8/CN9)
USB1 Connector (CN8)
Pin Signal
Pin Signal
1
3
5
7
9
+5V
2
GND
USBD0-
USBD0+
GND
4
GND
6
USBD1+
USBD1-
+5V
8
GND
10
USB2 Connector (CN9)
Pin Signal
Pin Signal
1
3
5
7
9
+5V
2
GND
USBD2-
USBD2+
GND
4
GND
6
USBD3+
USBD3-
+5V
8
GND
10
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2.20 LPT Port Connector(CN10)
Pin Signal
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Pin Signal
1
#STROBE
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
#ACK
2
#AFD
3
4
#ERROR
#INIT
#SLIN
GND
GND
GND
GND
GND
GND
GND
GND
N.C
5
6
7
8
9
10
12
14
16
18
20
22
24
26
11
13
15
17
19
21
23
25
BUSY
PE
SELECT
2.21 COM2 RS-232/422/485 Serial Port Connector(CN11)
Pin Signal
Pin
2
Signal
1
3
5
7
9
DCD (422TXD-/485DATA-)
RXD(422RXD+)
DTR(422RXD-)
DSR
TXD(422TXD+/485DATA+)
4
GND
6
RTS
8
CTS
RI/+12V
10
N.C
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2.22 Floppy Connector(CN12)
Pin Signal
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Pin Signal
1
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
2
#REDWC
3
4
N.C
5
6
#DS1
7
8
#INDEX
9
10
12
14
16
18
20
22
24
26
28
30
32
34
#MOTOR A
#DRIVE SELECT B
#DRIVE SELECT A
#MOTOR B
#DIR
11
13
15
17
19
21
23
25
27
29
31
33
#STEP
#WRITE DATA
#WRITE GATE
#TRACK0
#WRITE PROTECT
#READ DATA
#SIDE1
#DISK CHANGE
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2.23 COM1 RS-232 Serial Port Connector (CN13)
Pin Signal
Pin Signal
1
3
5
7
9
DCD
TXD
GND
RTS
RI
2
RXD
DTR
DSR
CTS
N.C
4
6
8
10
2.24 Power Connector (CN14 / CN15)
CN14
Pin Signal
Pin Signal
1
+3.3V
+3.3V
GND
11
12
13
14
15
16
17
18
19
20
+3.3V
-12V
GND
PS_ON
GND
GND
GND
-5V
2
3
4
+5V
5
GND
6
+5V
7
GND
8
POWER OK
+5VSB
+12V
9
+5V
10
+5V
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CN15
Pin Signal
* optional function
1
N.C
2
+5V
+12V
-12V
GND
GND
GND
GND
-5V
3
4
5
6
7
8
9
10
11
12
+5V
+5V
+5V
2.25 PS2 Keyboard/Mouse Connector (CN17)
Pin Signal
1
2
3
4
5
6
KB_DATA
MS-DATA
GND
+5VSB
KB_CLK
MS_CLK
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2.26 VGA Display Connector (CN18)
Pin Signal
Pin
Signal
1
3
RED
BLUE
2
4
GREEN
N.C
5
GND
6
GND
7
GND
8
GND
9
+5V
10
12
14
16
GND
11
13
15
N.C
DDCDAT
VSYNC
GND
HSYNC
DDCCLK
2.27 10/100Base-T RJ-45 Ethernet Connectors (CN19 / CN20)
Pin Signal
Pin Signal
1
TX+
2
TX-
3
RX+
4
N/C
5
N/C
6
RX-
7
N/C
8
N/C
9
N/C
10
12
14
16
N/C
11
13
15
Ground
+3.3 V
+3.3 V
Ground
ACT_LED
LINK_LED
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2.28 CompactFlashä Disk Connector (CN21)
Pin Signal
Pin Signal
1
Ground
SDD3
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Ground
SDD11
SDD12
SDD13
SDD14
SDD15
SDCS#3
Ground
SDIOR#
SDIOW#
+5V
2
3
SDD4
4
SDD5
5
SDD6
6
SDD7
7
SDCS#1
Ground
Ground
Ground
Ground
Ground
+5V
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
IRQ15
+5V
Ground
Ground
Ground
Ground
SDA2
CSEL#
N.C
SEC_IDERST#
SIORDY
N.C
SDA1
+5V
SDA0
DASP#
PDIAG#
SDD8
SDD0
SDD1
SDD2
SDD9
N.C
SDD10
Ground
Ground
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2.29 Internal Keyboard Connector (CN22)
Pin Signal
1
2
3
4
5
Keyboard Clock
Keyboard Data
NC
Ground
+5VSB
2.30 Internal Mouse Connector (CN23)
Pin Signal
1
2
3
4
Mouse Clock
Mouse Data
Ground
+5VSB
2.31 Audio Input/Output Connector (CN24)
Pin Signal
1
MIC_in
2
MIC_VCC
3
Audio Ground
LINE_in L
4
CD_GND
CD_L
5
6
7
LINE_in R
8
CD_GND
CD_R
9
Audio Ground
LINE_out L
Audio Ground
10
12
14
11
13
LINE_out R
Audio Ground
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2.32 Fan Connectors (FAN1&FAN2)
Pin Signal
1
2
3
GND
+12V
Speed Sense
2.33 Primary/Secondary Hard Drive Connector (IDE1&IDE2)
Pin Signal Pin Signal
1
IDE RESET
2
GND
3
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
GND
4
DATA8
DATA9
DATA10
DATA11
DATA12
DATA13
DATA14
DATA15
N.C
5
6
7
8
9
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
REQ
GND
IO WRITE
IO READ
IO READY
DACK
GND
GND
GND
GND
IRQ
N.C
ADDR1
ADDR0
CS#1
UDMA DETECT
ADDR2
CS#3
LED
GND
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2.34 Front Panel Connector (JP5)
Pin Signal
1
2
5
7
9
Power On Button(-)
IDE LED(-)
2
Power On Button(+)
IDE LED(+)
4
External Buzzer(-)
Power LED(+)
6
External Buzzer(+)
Power LED(-)
8
Reset Switch(-)
10
Reset Switch(+)
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Chapter
Award
BIOS Setup
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3.1 System test and initialization
These routines test and initialize board hardware. If the routines
encounter an error during the tests, you will either hear a few short
beeps or see an error message on the screen. Th ere are two kinds of
errors: fatal and non-fatal. The system can usually continue the boot
up sequence with non -fatal errors. Non -fatal error messages usually
appear on the screen along with the following instructions:
Press <F1> to RESUME
Write down the message and press the F1 key to continue the boot
up sequence.
When you should encounter fatal errors, please contact your
distributor or sales representative.
System configuration verification
These routines check the current system configuration the value
stored in the CMOS memory of the board. If they do not match, the
program outputs an error message. You will then need to run the
BIOS setup program to set the configuration information in
memory.
s
There are three situations in which you will need to chan
CMOS settings:
ge the
You are starting your system for the first time
You have changed the hardware attached to your system
The CMOS memory has lost power and the configuration
information has been erased.
The SBC-780 CMOS memory has an integral lithium ba ttery backup
for data retention . However, you will need to replace the complete
unit when it finally runs down.
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3.2 Award BIOS CMOS setup
Awards BIOS ROM has a built -in Setup program that allows users
to modify the basic system configuration. This type of information is
stored in battery-backed CMOS memory so that it retains the Setup
information when the power is turned off.
Some items in the BIOS are programmed to auto detect your system.
The presence or the values of these items vary with the
corresponding hardware specification of your system.
Entering setup
Power on the computer and press <Del> immediately. This will
allow you to enter Setup.
functions to configure the system. The default page after entering
the BIOS setup is [Main – Standard CMOS setup].
The top menu offers users various
Major Setup Features:
Main – Standard CMOS Features
Use this menu for basic system configuration. (Date, time, IDE,
etc.)
Advanced Features Setup
Use this menu to set the advanced features available on your
system.
Advanced BIOS Features
Use this menu to set the advanced features available on your
system.
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Advanced Chipset Features
Use this menu to change the values of the chipset registers and
optimize your system performance.
Integrated Peripherals
Use this menu to specify your settings for integrated peripherals.
(IDE, LAN, Serial Port, Parallel Port, IR, Audio)
Power Management Setup
Use this menu to specify your settings for power management.
(HDD power down, power on by events, KB wake up, etc.)
PnP/PCI Configurations
This entry appears if your system supports PnP/PCI.
Default – Load Optimized Defaults
Use this menu to load the BIOS default values that are factory
settings for optimal performance system operations. While AWARD
has designated the custom BIOS to maximize performance, the
factory has the right to change these defaults to meet their needs.
Security Password
Use this menu to set password
PC Health Setup
This menu allows you to set the shutdown temperature for your
system.
Exit Setup
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Clk/Voltage Setup
Use this menu to specify your settings for auto detect DIMM/PCI
clock and spread spectrum.
Exit
Save & Exit Setup
Save CMOS value changes to CMOS and exit setup.
Exit Without Saving
Abandon all CMOS value changes and exit setup.
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3.2.1
Standard CMOS setup
Select [Main] for STANDARD CMOS SETUP option from the top
menu, the screen shown below is displayed. This standard Setup
Menu allows users to configure system components such as date,
time, hard disk drive, floppy drive and display. Once a field is
highlighted, on-line help information is displayed in the right box of
the Menu screen.
Date and Time Configuration
The BIOS determines the day of the week from the other date
information. This field is for information only.
Press the le ft or right arrow key to move to the desired field
(date, month, year). Press the PgUp/- or PgDn/+ key to change
the setting, or type the desired value into the field.
The time format is based on the 24 -hour military -time clock.
For example, 1 p.m. is 13: 00:00 hours. Press the left or right
arrow key to move to the desired field. Press the PgUp/
- or
PgDn/+ key to change the setting, or type the desired value
into the field.
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IDE Primary/Secondary Master/Slave
IDE HDD Auto-Detection
This section does not show information about other IDE
devices, such as a CD -ROM drive, or other hard drive types,
such as SCSI drives.
NOTE: It is recommended to select “AUTO” for all drives.
The BIOS can automatically detect the specific
ations and
optimal operating mode of almost all IDE hard drives. When
you select AUTO for a hard drive, the BIOS will detect its
specifications
IDE Primary/Secondary Master/Slave
If you do not want to select "AUTO", other methods of
selecting the drive type are available:
1.NONE: No drive type to be selected.
2.Manual: This will allow you to manually set the drive type you
are using in your system. (See as below)
Drive A
Drive B
Select the correct specifications for the diskette drive(s) installed
in the computer.
None
No diskette drive installed
360K, 5.25 in
5-1/4 inch PC-type standard drive; 360
kilobyte capacity
1.2M, 5.25 in
1.2 megabyte capacity
5-1/4 inch AT-type high-density drive;
720K, 3.5 in
kilobyte capacity
3-1/2 inch double-sided drive;
720
1.44M, 3.5 in
mega byte capacity
3-1/2 inch double-sided drive; 1.44
2.88M, 3.5 in 3-1/2 inch double-sided drive; 2.88
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mega byte capacity
Video
This function setting allows you to select the video type.
The choices: EGA/VGA, CGA 40, CGA 80, MONO
Halt On
During the power-on-self-test (POST), the computer will stop if the
BIOS detects a hardware error. You can tell BIOS to ignore certain
errors during POST and continue the boot-up process.
The choices: All, But Keyboard; All, But Diskette; All, But
Disk/Key; All Errors; No Errors.
Select Display Device
This field selects the type of display device installed in your
computer.
The choices: Auto, CRT, LCD, CRT+LCD
Base Memory
Typically 640 KB. Also called conventional memory. The DOS
operating system and conventional applications use this area.
Extended Memory
Above the 1-MB boundary. Early IBM personal computers could
not use memory above 1 MB, but current PCs and their software can
use extended memory.
Total Memory
The fields show the total installed random access memory (RAM).
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3.2.2 Advanced Features Setup
By choosing the [Advanced BIOS Feature] option from the initial
setup menu, the screen below is displayed.
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Virus Warning
When enabling this item, you receive a warning message if a
program (specifically, a virus) attempts to write to the boot
sector or the partition table of the hard disk drive. You should
then run an anti-virus program. Keep in mind that this feature
protects only the boot sector, not the entire hard drive.
NOTE: Many disk diagnostic programs that access the boot
sector table can trigger the virus-warning message. If you plan
to run such a program, we recommend that you first disable the
virus warning. Before installing Microsoft Windows, please
disable this function.
The choices: Enabled, Disabled.
Quick Power On Self Test
Select Enabled to reduce the amount of time required to run
the power-on-self-test (POST) while system booting.
The choices: Enabled, Disabled.
First/Second/Third Boot Device
The BIOS attempts to load the operating system from the
devices in the sequence selected in these items.
The choices: Floppy, LS120, HDD, SCSI, CDROM, ZIP100,
USB-FDD, USB-ZIP, USB-CDROM, USB-HDD, LAN,
ISA-FDD, Disabled.
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Boot Other Device
If your boot device , such as SCSI/RAID, is not included in
the following choices “Floppy, LS120, HDD, SCSI, CDROM,
ZIP100, USB-FDD, USB -ZIP, USB -CDROM, USB -HDD,
LAN, ISA -FDD”, you may set First/Second/Third Boot
devices to "Disable d" and enable the BOOT Other Device
function. The system will automatically boot the other device.
The choices: Enabled, Disabled.
Swap Floppy Drive
This field is effective only in systems with two floppy drives.
Selecting enabled assigns physical drive B to logical drive A,
and vice-versa.
The choices: Enabled, Disabled.
Boot Up Floppy Seek
When Enabled, the BIOS tests (seeks) floppy drives to
determine whether they have 40 or 80 tracks. Only 360 -KB
floppy drives have 40 tracks; drives with 720 KB, 1.2 MB, and
1.44 MB capacity all have 80 tracks. Because very few modern
PCs have 40 -track floppy drives, we recommend you to
choose "Disabled" to save time.
The choices: Enabled, Disabled.
Boot Up NumLock Status
Toggle between On or Off to control the state of the
NumLock key when the system boots. When toggled On, the
numeric keypad generates numbers instead of controlling
cursor operations.
The choices: On, Off.
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Gate A20 Option
Gate A20 refers to the way the system addresses memory
above 1 MB (extended memory). When set to Fast, the system
chipset controls Gate A20. When set to Normal, a pin in the
keyboard controller controls Gate A20. Setting Gate A20 to
fast improves system speed, particularly with OS/2 and
Windows.
The choices: Fast, Normal.
Typematic Rate Setting
Keystrokes repeat at a rate determined by the keyboard
controller. When enabled, the typematic rate and typematic
delay can be selected.
The choices: Enabled, Disabled.
Typematic Rate (Chars/Sec)
When the typematic rate setting is enabled, you can sel ect a
typematic rate , at which character repeats when
down a key.
you hold
The choices: 6, 8, 10, 12, 15, 20, 24, 30.
Typematic Delay (Msec)
When the typematic rate setting is enabled, you can select a
typematic delay, at which before keystrokes begin to repeat.
The choices: 250, 500, 750, 1000
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Security Option
If you have set a password, select if the password is required
every time the System boots, or only when you enter Setup.
The choices: Setup, System.
OS Select For DRAM > 64MB
The choices: Non-OS2, OS2
Video BIOS Shadow
The choices: Enabled, Disabled
C8000-CBFFF/CC000-CFFFF/D0000-D3FFF/D4000-D7
FFF/D8000-DBFFF/DC000-DFFFF Shadow
The choices: Enabled, Disabled
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Advanced Chipset features setup
By choosing the [Advanced Chipset Features Setup] option from the
INITIAL SETUP SCREEN menu, the screen below is displayed.
DRAM Timing By SPD
This function stores information about Memory Module setting.
Therefore, it can auto detect the best frequency that the
memory module should use.
The Choices: Disabled, Enabled
Memory Hole
Enable this function to allow ISA ROM to map to 15-16M and
support Legacy ISA devices. If you don’t utilize legacy ISA
devices in your system, you are recommended to disable this
function to enhance graphic performance.
The choices: Disabled, 15M – 16M
Frame Buffer Size
Set the size of memory for graphic display.
The choices: 2M, 4M, 8M, 16M, 32M
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AGP Aperture Size
Aperture size will ensure that all writes posted in the global
write buffer to the graphics aperture are retired to DRAM
before initiating any CPU-PCI cycle. This can be used to ensure
synchronization between the CPU and AGP master.
The choices: 128M, 64M, 32M, 16M, 8M, 4M
Panel Type
The choices:
640x480 TFT
800x600 TFT
1024x768 TFT 36bit
1024x768 TFT 18bit
1024x768 LVDS 1 Channel
1024x768 LVDS 2 Channel
800x600 LVDS
Boot Device Select
The choices: Auto, Both
OnChip USB
The choices: Enabled, Disabled.
USB Keyboard Support
The choices: Enabled, Disabled.
USB Mouse Support
The choices: Disabled, Enabled
OnChip Sound
The choices: Auto, Disabled
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Integrated Peripherals
By choosing the [Integrated Peripherals] option from the INITIAL
SETUP SCREEN menu, the screen below is displayed.
OnChip IDE Channel0 / OnChip IDE Channel1
The integrated peripheral controller contains an IDE interface
supporting two IDE channels.
The choices: Enabled, Disabled
IDE Prefetch Mode
The onboard IDE drive interfaces support IDE prefetching for
faster drive access.
The choices: Enabled, Disabled
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Primary/Secondary Master/Slave PIO
The four IDE PIO (Programmable Input Output) fields let you
set a PIO mode for each of the tow IDE devices and the two
storage devices that the onboard IDE interface supports.
Modes 0 to 4 provide successively increased performance. In
Auto mode, the system automatically determines the best
mode for each device.
The choices: Auto, Mode 0, Mode 1, Mode 2, Mode 3, Mode
4
Primary/Secondary Master/Slave UDMA
Ultra DMA33/66/100 implementation is only working when
your IDE hard drive supports it and the operating
environment includes a DMA driver. If your hard drive and
IDE cable both support Ultra DMA 33/66/100 select Auto to
enable BIOS support.
The choices: Auto, Disabled
Init Display First
You can select AGP or PCI slot to initialize it as the primary
display before initializing any other display device on the
system.
The choices: PCI Slot, AGP
Onboard LAN1/LAN2
The default setting for this is “Enabled”. If you do not utilize
onboard LAN function, just configure it as “Disabled”
without any efforts on jumper setting.
The choices: Enabled, Disabled
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IDE HDD Block Mode
Block mode is also called “block transfer”, “multiple
commands”, or “multiple sector read/write”. If your IDE hard
drive supports block mode, please select “Enabled” for
automatic detection of the optimal number of block read/write
per sector the drive supports.
The choices: Enabled, Disabled
Onboard Serial Port 1/ Port 2
Normally, the board’s I/O chips will occupy a certain portion
of memory space. For each I/O device, the computer provides
and I/O address. The more devices attached the more address
needed to organize the memory storage areas. If all the I/O
devices are fun running through the same address, your
devices would come to a near halt. Also, the corresponding
interrupt needs to be selected.
The choices: Disabled, 3F8/IRQ4, 2F8/IRQ3, 3E8/IRQ4,
2E8/IRQ3, Auto
UART 2 Mode
If you do not disable Onboard Serial Port 2, you will have to
select an operating mode for the second serial port.
The choices: Standard, HPSIR, ASKIR
If you select HRSIR or ASKIT, you have to set the following
tow functions.
IR Function Duplex
Select the value required by the IR device connected to
the IR port. Full-duplex mode permits simultaneous
two-direction transmission. Half-duplex mode permits
transmission in one direction only at a time.
The choices: Full, Half
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Tx, Rx inverting enable
Please consult with your IR peripheral documentation
to select the correct setting of the TxD and RxD
signals.
The choices: No, No; No, Yes; Yes, No; Yes, Yes
Onboard Parallel Port
Two bi-directional parallel ports.
The choices: Disabled, 3BC/IRQ7, 378/IRQ7, 278/IRQ5
Onboard Parallel Mode
Two bi-directional parallel ports.
The choices: Normal, EPP, ECP, ECP/EPP
ECP Mode Use DMA
Select a DMA channel for the port.
The choices: 1, 3
Parallel Port EPP Type
You can use this feature to choose which version of EPP to
sue. For better performance, use EPP 1.9. But if you are
facing connection issues, try to set it to EPP 1.7.
The choices: EPP1.9, EPP1.7
Onboard Legacy Audio
Enable to utilize onboard legacy audio function
The choices: Disabled, Enabled
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Sound Blaster
Enable to utilize Sound Blaster function.
The choices: Disabled, Enabled
SB I/O Base Address
Select a base I/O address for the Sound Blaster interface.
The choices: 220H, 240H, 260H, 280H
SB IRQ Select
Select Interrupt for the Sound Blaster interface.
The choices: IRQ 5, IRQ 7, IRQ 9, IRQ 10
SB DMA Select
Select DMA mode for the Sound Blaster interface.
The choices: DMA 0, DMA 1, DMA 2, DMA 3
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Power Management Setup
By choosing the [Power Management Setup] option from the
INITIAL SETUP SCREEN menu, the screen below is displayed.
ACPI Function
This item allows you to enable/disable the Advanced
Configuration and Power Interface (ACPI). The option will
automatically set “disabled” when AT power is applied.
The choices: Enabled, Disabled
Power Management
Select Max Saving mode or Min Saving mode or define desired
Doze Mode, Suspend Mode, HDD Power Down functions by
User Define.
This category allows you to select the type (or degree ) of power
saving and is directly related to the following modes:
1. User Define
2. Min Saving
3. Max Saving
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Minimum power management.
HDD Power Down =15 minutes.
Doze Mode = 1 hour
Min. Power
Saving
Suspend Mode = 1 hour
Max.Power Maximum power management-- ONLY
Saving
AVAILABLE FOR SL CPU'S.
HDD Power Down = 1
Doze Mode = 1 Min
Suspend Mode = 1 Min
Allow you to set each mode individually.
When not disabled, each of the tinges is
from 1 min. to 1 hour except for HDD
Power Down, which ranges from 1 min. to
15 min. and disable.
User Defined
PM Control by APM
The choices: No, Yes
Video off Option
The choices: Always On, Suspend Off, All Modes Off
Video off Method
The choices: Blank Screen, V/H SYNC+Blank, DPMS
Support
MODEM Use IRQ
The choices: NA, 3, 4, 5, 7, 9, 10, 11
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Soft-Off by PWRBTN
The choices: Delay 4 Sec, Instant-off
State After Power Failure
This field lets you determine the state that your PC returns to
after a power failure. If set to off, the PC will not boot after a
power failure. If set to on, the PC will restart after a power
failure. If set to auto, the PC will restart to the former status.
This option will not be availa
ble when AT power is
applied.
The choices: Auto, On, Off
Wake Up Events
VGA
The choices: Off, On
LPT & COM
The choices: NONE, LPT, COM, LPT/COM
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HDD & FDD
The choices: OFF, ON
PCI Master
The choices: OFF, ON
Wake up on LAN
The option will not be available when AT power is applied.
The Choices: Enabled, Disabled
Modem Ring Resume
The option will not be available when AT power is applied.
The choices: Enabled, Disabled
RTC Alarm Resume
The option will not be available when AT power is applied.
The Choices: Enabled, Disabled
Date (of Month)
Resume Time (hh:mm:ss)
Primay INTR
The Choices: OFF, ON
IRQ Activity Monitoring
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The choices: Enabled, Disabled
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PnP/PCI Configuration
By choosing the PnP/PCI Configuration option from the INITIAL
SETUP SCREEN menu, the screen below is displayed.
PNP OS Installed
Select Yes if the system operating environment is Plug and Play
aware, for example Windows 9x, Windows 2000, and Windows
XP. Hardware resource will be distributed by OS.
Select No if you need the BIOS to configure non-boot devices.
The choices: No, Yes.
Reset Configuration Data
Normally, you leave this field disabled. Select enabled to reset
Extended System Configuration Data (ESCD) when serious
conflict is caused by add-on device or system reconfiguration.
The choices: Enabled, Disabled
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Resources Controlled By
The Award Plug and Play BIOS has the capacity to
automatically configure all the boot and Plug and Play device s.
If you choose Auto, you cannot select IRQ DMA and memory
base address fields, since BIOS automatically assigns them.
The choices: Auto (ESCD), Manual.
IRQ Resources
When resources are controlled manually, assign each system
interrupt a type, depending on the type of device using the
interrupt. There are two types for choice:
Legacy ISA and
PCI/ISA PnP.
Legacy ISA: Devices compliant with the original PC AT bus
specification, requiring a specific interrupt (such as IRQ4 for
serial port 1)
PCI/ISA PnP: Devices compliant with the Plug and Play
standard, whether designed for PCI or ISA bus architecture.
DMA Resources
When resources are controlled manually, assign each DMA
channel a type, depending on the type of device using the DMA
channel. There are two ty pes for choice: Legacy ISA and
PCI/ISA PnP.
Legacy ISA: Devices compliant with the original PC AT bus
specification, requiring a specific DMA channel
PCI/ISA PnP: Devices compliant with the Plug and Play
standard, whether designed for PCI or ISA bus architecture.
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PCI/VGA Palette Snoop
Enabling this item informs the PCI VGA card to keep silent
(and to prevent conflict) when palette register is updated (i.e.,
accepts data without responding any communication signals).
This is useful only when two display cards use the same palette
address and plugged in the PCI bus at the same time (such as
MPEG or Video capture card). In such case, PCI VGA is silent
while MPEG/Video capture card is set to function normally.
The Choices: Enabled, Disabled
Assign IRQ For VGA
The Choices: Enabled, Disabled
Assign IRQ For USB
The Choices: Enabled, Disabled
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3.2.3 Default Setup
Load Optimized Defaults
Select [Defaults] to Load Optimized Defaults setting from the top menu,
the screen shown below is displayed.
Pressing “Y” loads the default values that are factory settings for optimal
performance system operations.
When you press <Enter> on this item you get a confirmation dialog box
with a message similar to:
Load Optimized Defaults (Y/N)?
Pressing "Y" loads the default values that are factory settings for optimal
performance system operations.
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3.2.4 Security Setup
Set/Change password
You can set the password to restrict unauthorized access to
enter or change the options of the setup menus.
To abort the process at any time, press Esc.
NOTE: To clear the password, simply press Enter when asked
to enter a password. Then the password function is disabled.
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3.2.5 PC Health Setup
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By choosing the [PC Health] option from the top menu, the screen
below is displayed.
CPU Warning Temperature
The choices: Disabled, 50°C/122°F, 53°C/127°F, 56°C/133°F,
60°C/140°F, 63°C/145°F, 66°C/151°F, 70°C/158°F
Shutdown Temperature
You can set the shutdown temperature. When the temperature of
your system reaches the limitati on, the system will shut down
automatically to prevent damage caused by overheat. Please note this
function may not work in some OS such as Win 2000/XP.
The choices: Disabled, 60℃/140℉ , 65℃/149℉ , 70℃/158℉ , 75°C/167°F
Power on show status
Enable this functi on to show hardware monitor listing after
powering on the system.
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The choices: Enabled, Disabled
CPU fan low speed warning
Select the speed figure limits for the CPU speed. When CPU speed
drop down to the limitation, the system would send out the warning
signal.
The choices: Disabled, ?3000 RPM, ?4000 RPM, ?5000 RPM
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3.2.6 Clk/Voltage Setup
By choosing the [Clk/Voltage] option from the top menu, the screen
below is displayed.
Auto Detect DIMM/PCI CLK
This item allows you to enable/disable auto detect DI
clock.
MM/PCI
The choices: Enabled, Disabled.
Spread Spectrum
When the system clock generator pulses, the extreme values of the
pulse generate excess EMI. Enabling pulse spectrum spread
modulation changes the extreme puls e spikes to flat curves thus
reducing EMI. This benefit may in some cases be outweighed by
problems with timing-critical devices, such as a clock -sensitive SCSI
device.
The choices: Disabled, -0.5%, +/-0.5%, +/-0.25%
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3.2.7 Exit Setup
Save & Exit Setup
If you select this option and press <Enter> from the top menu , the
values entered in the setup utilities will be recorded in the chipset ’s
CMOS memory. The microprocessor will check this every time you
turn your system on and compare this to what it finds as it checks
the system. This record is required for the system to operate.
Exit without saving
Selecting this option and pressing <Enter> lets you exit the Setup
program without recording any new values or changing old ones.
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Chapter
Driver
Installation
Chapter 4 Driver Installation
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The SBC-780 comes with a CD -ROM which contains most of drive rs and
utilities of your needs.
There are several installation ways depend ing on the driver package under
different Operating System application.
If you utilize Windows 2000 series OS, you are strongly recommended to
download the latest version Service Pack from Microsoft website and install
it before installing any driver.
Please follow the sequence below to install the drivers:
Step 1 – Install VIA 4-in-1 Driver
Step 2 – Install VGA Driver
Step 3 – Install Ethernet Driver
Step 4 – Install Audio Driver
Applicable for Windows 2000/98/ME/XP
1. Insert the supporting CD-ROM into drive.
2. Click on “Start” button and then click on “ Run” button, find the
installation wizard “setup.exe” in the following path:
“cd-rom”: \Driver\ Step 1 – Install VIA 4-in-1 Driver”
For Step 2, look for the respective OS folders in the following path:
“cd-rom”:\ Driver \ Step 2 – Install VGA Driver . Under the
selected OS folder, find the installation wizard “Setup.exe” button.
Again Step 3 & 4, find theinstallation wizard “Setup.exe” button in
the following path:
“cd-rom”: \Driver\ Step 3 – Install Ethernet Driver”
“cd-rom”: \Driver\ Step 4 – Install Audio Driver”
Press the <Enter> key or click OK to begin the installation.
(Remarks: "cd-rom" means your CD-ROM drive letter)
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3. The setup will automatically detect your OS and
complete the
installation. Simply following the step-by-step instruction.
4. Shut down and restart your system.
Note: Since Windows NT is discontinued in market, we are unable
to support Win NT series.
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Appendix
Programming the
Watchdog Timer
Appendix A Programming the Watchdog Timer
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Programming
An onboard watchdog timer reduces the chance of disruptions which
CPLD (Compact Programmable Logical Device) interface can cause. This
is an invaluable
protective device for standalone or punma
nned
applications. When the watchdog timer activates (CPU processing has
come to a halt), it can reset the system, or generate an interrupt on IRQ10,
IRQ11, IRQ15, and NM1. This can be set via I/O Port 444, the function
as following:
0: RESET
1: NM1
2: IRQ10
3: IRQ11
4: IRQ15
If you decide to program the watchdog timer, you must write data to I/O
port 443 (hex). The output data is a value timer. You can write form 01
(hex) to FF (hex) while simultaneously setting it. When you want to disable
the watchdog timer, your program should read a Hex value from I/O port
80 (hex).
The following procesude is a sample program for the watchdog timer:
Type C:\DOS\Debug <ENTER>
To start watchdog timer and set function“Reset” type;
o 444 0<Enter>; out 444h data 0
To input Watchdog timers time-out interval of 5 seconds type;
o 443 05<Enter>; out 443h data 05
To disable the watch timer type;i80 <Enter>
The time interval data of the watchdog timer is shown in binary code (8
bits).
Sample 2: 5 seconds
0
0
0
0
0
1
0
1
Appendix A Programming the Watchdog Timer
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Appendix
CompactFlash® Cover
Installation Guide
Appendix B CompactFlash Cover Installation Guide
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B.1 How to install the CompactFlash cover
SBC-780 is given a CompactFlash Card cover with the product.
The purpose for the CompactFlash Card cover is to prevent users
from dropping the CompactFlash Card under the condition of the
delivery and system operation.
Please follow the steps below to install the CompactFlash Card
cover. The instructions are simply for your reference which mean
you may install the CompactFlash Card cover in the way you
prefer.
Step 1: Plug in CompactFlash Card
Appendix B CompactFlash Cover Installation Guide
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Step 2: Push the CompactFlash Card forward until the end.
Step 3: Put the cover on from the right to left and hook up the
CompactFlash Card white base with the crook on the
cover.
Appendix B CompactFlash Cover Installation Guide
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Step 4: Press a little bit with the finger on the hole of the
cover.
Appendix B CompactFlash Cover Installation Guide
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Step 5: Done
Appendix B CompactFlash Cover Installation Guide
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B.2 How to disassemble the CompactFlash cover
If you would like disassemble the CompactFlash Card, please
follow the steps below. If you don’t follow the regular steps to
disassemble, the cover may suffer the permanent damage.
Step 1: Pull the cover a little bit from the corner indicated.
Appendix B CompactFlash Cover Installation Guide
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Step 2: Pull the cover hard from the reverse corner indicated.
In this way, the cover can be disassembled as easy as possible.
Appendix B CompactFlash Cover Installation Guide
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