Acorp 694XA User manual

Chapter 1 Motherboard Description /1Chapter 1 Motherboard Description /1
Chapter 1 Motherboard Description /1Chapter 1 Motherboard Description /1
Chapter 1 Motherboard Description /1
Introduction
System Overview
This manual was written to help you start using this product
as quickly and smoothly as possbile. Inside you will find
the necessary explanations to solve most problems. In
order for this reference material to be of greatest use, refer
to the “expanded table of contents” to find relevant topics.
This board incorporates the system , I/O , and PCI IDE
into one board that provides a total PC solution. The
mainboard, Intel Celeron/Coppermine PII/PIII processor base
PC ATX system, support single processors with ISA Bus,
PCI Local Bus, and AGP Bus to support upgrades to your
system performance. It is ideal for multi-tasking and fully
supports MS-DOS, Windows, Windows NT , Windows ME,
Windows 2000 , Novell, OS/2, Windows95/98 , UNIX ,
SCO UNIX etc.
This manual also explains how to install the mainboard for
operation, and how to setup your CMOS configuration with
the BIOS setup program.

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1.Motherboard Description
1.1 Features
1.1.1 Hardware
CPU
-Socket 370 for Intel Celeron/PIII Processor.
-Intel FC-PGA/PPGA Celeron Processors
300MHz~800MHz or higher processor with 66/100MHz
FSB.
-Intel FC-PGA Pentium III Processors 500MHz~1GHz
or higher processor with 100/133MHz FSB.
-VIA Cyrix III Processor with 100/133MHz FSB.
Chipset
-North Bridge System Chipset : VIA VT82C694X support
a 66/100/133 FSB.
-South Bridge System Chipset : VIA VT82C686B.
Biggest memory capacity
694XAis equipped with three DIMM socket to support
(8MB to 512MB) 168 pin 3.3v SDRAM SPD(Special
Presence Detect).
Maximum memory up to 1.536MB.
AGP for fast VGA solution
-AGP specification compliant.
-AGP 66 MHz 3.3v for 4X device support.
Bus Slot
-Provides five 32 bit PCI slots.
-Provide one AGP slot.

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On-Board IDE
-An IDE controller on the VT82C686B chipset provides
IDE HDD/CD-ROM with PIO, Bus Master and Ultra DMA
33/66/100 operation modes.
-Can connect up to four IDE devices.
On-Board Peripherals
-1 floppy port supports 2 FDC with 360K, 720K, 1.2M,
1.44M and 2.88M byte.
-2 serial ports (COM1+COM2 ).
-4 USB ports.
-1 parallel port supports EPP/ECP mode (LPT1).
Audio
-AC’97 2.1 compliant CODEC.
BIOS
- The mainboard BIOS provides “Plug & Play” BIOS which
detects the peripheral devices and expansion cards of the
board automatically.
- The mainboard provides a Desktop Management Interface
(DMI) function which records your mainboard
specifications.
- BIOS support CD-ROM, SCSI, LAN BOOT, Temperature
sensor, Wake on modem, LAN, Alarm Bus CLK setup with
BIOS.
Power Management
Support multiple system suspend types-suspend to DRAM,
suspend to disk, and all with hardware automatic wake-up.
WOL (Wake On LAN) & WOM (Wake On MODEM)
Supports system power up from LAN ring up and Modem
ring up.

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1.1.2 Software
BIOS
-AWARD legal BIOS.
-Supports APM 1.2.
-Supports USB Function.
-Supports ACPI.
Operation System
-Offers the highest performance for MS-DOS, Windows,
Windows NT, Windows ME, Windows 2000, Novell, OS/2,
Windows95/98, UNIX, SCO UNIX etc.
1.1.3 Attachments
-HDD UDMA 66/100 Cable.
-FDC Cable.
-Flash Memory Written for BIOS Update.
-Fully Setup CD Driver built in Utility(Ghost, Anitivirus,
Adobe Acrobat...).

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1.2 Motherboard Installation
1.2.1 Layout of Motherboard
USB1
COM1
COM2
Printer
FAN2
FAN1
SPEAK OUT
Line in
MIC in
GAME1
VIA
VIA
PA N E L 1
AMR SLOT
AGP SLOT
CMOS1
J1
1
DIMM2 DIMM1 DIMM3
PCI5
PCI1
PCI2
PCI3
PCI4
ERR1
BIOS 1

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USB1
COM1
COM2
Printer
FAN2
FAN1
SPEAK OUT
Line in
MIC in
GAME1
VIA
VIA
PA NE L 1
AMR SLOT
AGP SLOT
CMOS1
J1
1
DIMM2 DIMM1 DIMM3
PCI5
PCI1
PCI2
PCI3
PCI4
ERR1
BIOS1
1.3 Motherboard Connectors
6
14
8
3,4
1.Back Pannel I/O Connectors1.Back Pannel I/O Connectors
1.Back Pannel I/O Connectors1.Back Pannel I/O Connectors
1.Back Pannel I/O Connectors 2.CD Audio-In Connector2.CD Audio-In Connector
2.CD Audio-In Connector2.CD Audio-In Connector
2.CD Audio-In Connector
3.Wake-On MODEM Connector3.Wake-On MODEM Connector
3.Wake-On MODEM Connector3.Wake-On MODEM Connector
3.Wake-On MODEM Connector 4.Wake-On-LAN Connector4.Wake-On-LAN Connector
4.Wake-On-LAN Connector4.Wake-On-LAN Connector
4.Wake-On-LAN Connector
5.Front Panel Connector5.Front Panel Connector
5.Front Panel Connector5.Front Panel Connector
5.Front Panel Connector 6.Fan Connectors(Fan1/2)6.Fan Connectors(Fan1/2)
6.Fan Connectors(Fan1/2)6.Fan Connectors(Fan1/2)
6.Fan Connectors(Fan1/2)
7.Floppy Connector7.Floppy Connector
7.Floppy Connector7.Floppy Connector
7.Floppy Connector 8.IDE Connectors8.IDE Connectors
8.IDE Connectors8.IDE Connectors
8.IDE Connectors
9.IR Connector9.IR Connector
9.IR Connector9.IR Connector
9.IR Connector 10.Front USB2 Connector10.Front USB2 Connector
10.Front USB2 Connector10.Front USB2 Connector
10.Front USB2 Connector
11.ATX Power Connector11.ATX Power Connector
11.ATX Power Connector11.ATX Power Connector
11.ATX Power Connector 12.AMR Set Function(J1)12.AMR Set Function(J1)
12.AMR Set Function(J1)12.AMR Set Function(J1)
12.AMR Set Function(J1)
13.CPU Freq. Selection(CLK1)13.CPU Freq. Selection(CLK1)
13.CPU Freq. Selection(CLK1)13.CPU Freq. Selection(CLK1)
13.CPU Freq. Selection(CLK1)
14.CMOS Function Selection(CMOS1)14.CMOS Function Selection(CMOS1)
14.CMOS Function Selection(CMOS1)14.CMOS Function Selection(CMOS1)
14.CMOS Function Selection(CMOS1)
15.For Smart Panel Connector(J2, ERR1+JP1, BIOS1) (option)15.For Smart Panel Connector(J2, ERR1+JP1, BIOS1) (option)
15.For Smart Panel Connector(J2, ERR1+JP1, BIOS1) (option)15.For Smart Panel Connector(J2, ERR1+JP1, BIOS1) (option)
15.For Smart Panel Connector(J2, ERR1+JP1, BIOS1) (option)
9
1
15
10
5
2
15
12
11
13
715
6

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1.3.1 Front Panel Connector(PANEL1)
PANEL1 Connector
Speaker Connector (SPEAKR)
An offboard speaker can be installed onto the motherboard as a
manufacturing option. An offboard speaker can be connected to
the motherboard at the front pannel connector. The speaker
(onboard or offboard) provides error beep code information dur-
ing the Power Self-Test when the computer cannot use the video
interface. The speaker is not connected to the audio subsystem
and does not receive output from the audio subsystem.
Hard Drive LED Connector (HD_LED)
This connector supplies power to the cabinet IDE activity LED.
Read and write activity by devices connected to the Primary or
Secondary IDE connectors will cause the LED to light up.
SMI Suspend Switch Lead (EXTSMI)
This allows the user to manually place the system into a suspend
mode or Green mode where systematic activity will be instantly
decreased to save electricity and expand the life of certain com-
ponents when the system is not in use. This 2-pin connector
(see the figure below) connects to the case-mounted suspend
switch. If you do not have a switch for the connector, you may
use the “Turbo Switch” instead since it does not have a function.
SMI is activated when it detects a short to open moment. It may
require one or two pushes depending on the position of the
switch. Wake-up can be controlled by settings in the BIOS but
the keyboard will always allow wake-up (the SMI lead cannot
wake-up the system). If you want to use this connector, the
"Suspend Switch" in the Power Management Setup of the BIOS
SOFTWARE section should be on the default setting of Enable.
SPEAKER
PW_BN
1
2
RESET
EXTSMI
HD_LED PW_LED
+
++
SMI_LED
++
S5LED

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ATX Power Switch (PW_BN)
The system power is controlled by a momentary switch
connected to this lead. Pushing the button once will switch
the system ON. The system power LED lights when the
system's power is on .
Power LED Lead (PW_LED)
The system Power LED lights when the system power is on.
S5 LED (S5LED)
The system S5 LED flash when the system in S5 mode state.
SMI LED Lead (SMI_LED)
The system SMI LED lights when the system suspend is on.
Reset Switch Lead (RESET)
The connector can be connected to a momentary SPST type
switch that is normally open. When the switch is closed, the
motherboard resets and runs the POST.
1.3.2 Floppy Disk Connector(FDC1)
This connector supports the provided floppy drive ribbon
cable. After connecting the single end to the board, connect
the two plugs on the other end to the floppy drives.
1.3.3 Hard Disk Connectors(IDE1/IDE2)
These connectors support the provided IDE hard disk ribbon
cable. After connecting the single end to the board, connect
the two plugs at the other end to your hard disk.
If you install two hard disks, you must configure the second
drive to Slave mode by setting its jumper settings. BIOS now
supports SCSI device or IDE CD-ROM boot up (see "HDD
Sequence SCSI/IDE First" & "Boot Sequence" in the BIOS
Features Setup of the BIOS SOFTWARE) (Pin 20 is removed
to prevent inserting in the wrong orientation when using
ribbon cables with pin 20 plugged) .

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1.3.4 ATX 20-pin Power Connector(PW1)
This connector supports the power button on-board. Using
the ATX power supply, functions such as Modem Ring Wake-
Up and Soft Power Off are supported on this motherboard .
This power connector supports instant power-on
functionality, which means that the system will boot up
instantly when the power connector is inserted on the board.
1.3.5 Infrared Connector(IR1)
After the IrDA interface is configured, files can be
transferred from or to portable devices such as laptops,
PDAS, and printers using application software.
Pin Signal Pin Signal
1 3.3V 11 3.3V
2 3.3V 12 -12V
3 GND 13 GND
4 5V 14 PS-ON
5 GND 15 GND
6 5V 16 GND
7 GND 17 GND
8 PW-OK 18 -5V
9 5V_SB 19 5V
10 12V 20 5V

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1.4 Back Pannel Connectors
1.4.1 PS/2 Mouse /Keyboard CONN.
The motherboard provides a standard PS/2 mouse / Keyboard
mini DIN connector for attaching a PS/2 mouse. You can
plug a PS/2 mouse / Keyboard directly into this connector.
1.4.2 USB Connectors: USB1/2
The motherboard provides a OHCI(Open Host Controller
Interface)Universal Serial Bus Roots for attaching USB
devices such as a keyboard, mouse and other USB devices.
You can plug the USB devices directly into this connector.
Pin Signal
1 +5v
2 USBP0-(USBP1-)
3 USBP0+(USBP1+)
4 GND
PS/2 Keyboard
PS/2 KeyboardPS/2 Keyboard
PS/2 Keyboard
(6-pin Female)
(6-pin Female)(6-pin Female)
(6-pin Female)
Serial
Port(9-pin
Male)
Serial
Port(9-pin
Male)Serial
Port(9-pin
Male)
Serial
Port(9-pin
Male)
COM1
COM1COM1
COM1 COM2
COM2COM2
COM2 SPEAKER
SPEAKERSPEAKER
SPEAKER MIC
MICMIC
MIC
LINE
IN
LINE
INLINE
IN
LINE
IN
PS/2 Mouse
PS/2 MousePS/2 Mouse
PS/2 Mouse
USB1
USB1USB1
USB1
Parallel
(Printer)
Port
Parallel
(Printer)
PortParallel
(Printer)
Port
Parallel
(Printer)
Port
(25-pin Female)
(25-pin Female)(25-pin Female)
(25-pin Female)
MIDI/(GAME)
Port
MIDI/(GAME)
PortMIDI/(GAME)
Port
MIDI/(GAME)
Port
(15-pin Female)
(15-pin Female)(15-pin Female)
(15-pin Female)

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USB1
COM1
COM2
Printer
FAN2
FAN1
SPEAK OUT
Line in
MIC in
GAME1
VIA
VIA
PA NE L 1
AMR SLOT
AGP SLOT
CMOS1
J1
1
DIMM2 DIMM1 DIMM3
PCI5
PCI1
PCI2
PCI3
PCI4
ERR1
BIOS1
Front Two USB Connectors: USB2
USB 2
1
3
5
7
9
VCC
P2-
P2+
GND
GND
2
4
6
8
10
GND
GND
P3+
P3-
VCC

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1.5 Serial and Parallel Interface Ports
This system comes equipped with two serial ports and one
parallel port. Both types of interface ports will be explained
in this chapter.
The Serial Interfaces: COM1/COM2
The serial interface port is sometimes refered to as an RS-
232 port or an asynchronous communication port. Mice,
printers, modems and other peripheral devices can be
connected to a serial port. The serial port can also be used
to connect your computer system. If you wish to transfer
the contents of your hard disk to another system it can be
accomplished by using each machine’s serial port.
The serial port on this system have one 9-pin connector.
Some older computer systems and peripherals used to be
equipped with only a 25-pin connector. Should you need to
connect your 9-pin serial port to an older 25-pin serial port,
you can purchase a 9-to-25 pin adapter.
COM1/COM2

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Parallel Interface Port
Unlike serial ports, parallel interface ports have been
standardized and should not present any difficulty interfacing
peripherals to your system. Sometimes called a Centronics port,
the parallel port is almost exclusively used with printers. The
parallel port on your system has a 25-pin, DB 25 connector(see
picture below).
Signal DB9 Pin DB25 Pin
DCD 1 8
RX 2 3
TX 3 2
DTR 4 2 0
GND 5 7
DSR 6 6
RTS 7 4
CTS 8 5
RI 9 22
PS/2 Keyboard
PS/2 KeyboardPS/2 Keyboard
PS/2 Keyboard
(6-pin Female)
(6-pin Female)(6-pin Female)
(6-pin Female)
Serial
Port(9-pin
Male)
Serial
Port(9-pin
Male)Serial
Port(9-pin
Male)
Serial
Port(9-pin
Male)
COM1
COM1COM1
COM1 COM2
COM2COM2
COM2 SPEAKER
SPEAKERSPEAKER
SPEAKER MIC
MICMIC
MIC
LINE
IN
LINE
INLINE
IN
LINE
IN
PS/2 Mouse
PS/2 MousePS/2 Mouse
PS/2 Mouse
USB1
USB1USB1
USB1
Parallel
(Printer)
Port
Parallel
(Printer)
PortParallel
(Printer)
Port
Parallel
(Printer)
Port
(25-pin Female)
(25-pin Female)(25-pin Female)
(25-pin Female)
MIDI/(GAME)
Port
MIDI/(GAME)
PortMIDI/(GAME)
Port
MIDI/(GAME)
Port
(15-pin Female)
(15-pin Female)(15-pin Female)
(15-pin Female)

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USB1
COM1
COM2
Printer
FAN2
FAN1
SPEAK OUT
Line in
MIC in
GAME1
VIA
VIA
PA NE L 1
AMR SLOT
AGP SLOT
CMOS1
J1
1
DIMM2 DIMM1 DIMM3
PCI5
PCI1
PCI2
PCI3
PCI4
ERR1
BIOS1
1.6 CPU Installation
1.6.1 CPU Installation Procedure: Socket 370
1. Pull the lever sideways away from the socket then raise
the lever to a 90-degree angle.
2. Locate Pin 1 in the socket and look for the white dot or
cut edge in the CPU. Match Pin 1 with the white dot/cut
edge then insert the CPU.
3. Press the lever down to complete the installation.
4. Make sure the spec of the heatsink is good enough.
Notch

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USB1
COM1
COM2
Printer
FAN2
FAN1
SPEAK OUT
Line in
MIC in
GAME1
VIA
VIA
PA NE L 1
AMR SLOT
AGP SLOT
CMOS1
J1
1
DIMM2 DIMM1 DIMM3
PCI5
PCI1
PCI2
PCI3
PCI4
ERR1
BIOS1
1.6.2 CPU Frequency Selection: CLK1
Overclocking is operating a CPU/Processor beyond its specified
frequency.CLK1 jumper is used for overclocking.
OFFOFF
OFFOFF
OFF
ONON
ONON
ON
7
5
3
1
8
6
4
2
CPUCPU
CPUCPU
CPU PCICLKPCICLK
PCICLKPCICLK
PCICLK 1-21-2
1-21-2
1-2 3-43-4
3-43-4
3-4 5-65-6
5-65-6
5-6 7-87-8
7-87-8
7-8
AutoAuto
AutoAuto
Auto 33.333.3
33.333.3
33.3 OFFOFF
OFFOFF
OFF OFFOFF
OFFOFF
OFF OFFOFF
OFFOFF
OFF OFFOFF
OFFOFF
OFF
(default)(default)
(default)(default)
(default)
133133
133133
133 33.333.3
33.333.3
33.3 OFFOFF
OFFOFF
OFF OFFOFF
OFFOFF
OFF OFFOFF
OFFOFF
OFF OFFOFF
OFFOFF
OFF
100100
100100
100 33.333.3
33.333.3
33.3 OFFOFF
OFFOFF
OFF OFFOFF
OFFOFF
OFF OFFOFF
OFFOFF
OFF ONON
ONON
ON
6666
6666
66 33.333.3
33.333.3
33.3 OFFOFF
OFFOFF
OFF OFFOFF
OFFOFF
OFF ONON
ONON
ON ONON
ONON
ON

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USB1
COM1
COM2
Printer
FAN2
FAN1
SPEAK OUT
Line in
MIC in
GAME1
VIA
VIA
PA NE L 1
AMR SLOT
AGP SLOT
CMOS1
J1
1
DIMM2 DIMM1 DIMM3
PCI5
PCI1
PCI2
PCI3
PCI4
ERR1
BIOS1
1.7 Jumper Setting
A jumper has two or more pins that can be covered by a
plastic jumper cap, allowing you to select different system
options.
1.7.1 CPU/System Fan Connector: Fan1/2
PinPin
PinPin
Pin AssignmentAssignment
AssignmentAssignment
Assignment
11
11
1GroundGround
GroundGround
Ground
22
22
2+12VDC+12VDC
+12VDC+12VDC
+12VDC
33
33
3SignalSignal
SignalSignal
Signal
FAN 2
Connector
WOL1
WOM1
CMOS1
1
3
2
FAN1
Connector
J1

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1.7.5 CMOS Function Select: CMOS1
PinPin
PinPin
Pin AssignmentAssignment
AssignmentAssignment
Assignment
1-21-2
1-21-2
1-2 Normal (default)Normal (default)
Normal (default)Normal (default)
Normal (default)
2-32-3
2-32-3
2-3 Clear CMOSClear CMOS
Clear CMOSClear CMOS
Clear CMOS
NOTE:
(Please follow the procedure below to clear CMOS data.)
(1)Remove the AC power line.(2)CMOS1(2-3)Closed.(3)Wait
five seconds.(4)CMOS1(1-2) Closed.(5)AC Power on.(6)Re-
set your desired password or clear CMOS data.
1.7.2 Wake-On Modem Header: WOM1
PinPin
PinPin
Pin AssignmentAssignment
AssignmentAssignment
Assignment
11
11
15VSB5VSB
5VSB5VSB
5VSB
22
22
2GroundGround
GroundGround
Ground
33
33
3SignalSignal
SignalSignal
Signal
3
1
1.7.3 Wake-On LAN Header: WOL1
PinPin
PinPin
Pin AssignmentAssignment
AssignmentAssignment
Assignment
11
11
15VSB5VSB
5VSB5VSB
5VSB
22
22
2GroundGround
GroundGround
Ground
33
33
3SignalSignal
SignalSignal
Signal
3
1
1.7.4 AMR Set Function: J1
PinPin
PinPin
Pin AssignmentAssignment
AssignmentAssignment
Assignment
ONON
ONON
ON Disabled AMR SlotDisabled AMR Slot
Disabled AMR SlotDisabled AMR Slot
Disabled AMR Slot
OFFOFF
OFFOFF
OFF Enabled AMR SlotEnabled AMR Slot
Enabled AMR SlotEnabled AMR Slot
Enabled AMR Slot
(defacult)(defacult)
(defacult)(defacult)
(defacult)

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1.8 DRAM Installation
1.8.1 DIMM
DRAM Access Time: 3.3V Unbuffered SDRAM/ PC66/
PC100 and PC133 Type required.
DRAM Type: 8MB, 16MB, 32MB, 64MB, 128MB, 256MB
, 512MB DIMM Module.(168 pin)
1.8.2 How to install a DIMM Module
1. The DIMM socket has a “Plastic Safety Tab” and the DIMM
memory module has an asymmetrical notch”, so the DIMM
memory module can only fit into the slot in one direction.
2 .Push the tabs out. Insert the DIMM memory modules
into the socket at a 90-degree angle then push down
vertically so that it will fit into place.
3. The Mounting Holes and plastic tabs should fit over the
edge and hold the DIMM memory modules in place.
168Pin DIMM Socket168Pin DIMM Socket 168Pin DIMM Socket168Pin DIMM Socket
168Pin DIMM Socket
88 pins 60 pins 20 pins
Bank Memory module
DIMM 1 16MB, 32MB, 64MB, 128MB, 256, 512MB
( Bank 0-1 ) 168 pin, 3.3v SDRAM
DIMM 2 16MB, 32MB, 64MB, 128MB, 256, 512MB
( Bank 2-3 ) 168 pin, 3.3vSDRAM
DIMM 3 16MB, 32MB, 64MB, 128MB, 256, 512MB
( Bank 4-5 ) 168 pin, 3.3v SDRAM
Total System Memory(Max 1.536GBMB)

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USB1
COM1
COM2
Printer
FAN2
FAN1
SPEAK OUT
Line in
MIC in
GAME1
VIA
VIA
PA NE L 1
AMR SLOT
AGP SLOT
CMOS1
J1
1
DIMM2 DIMM1 DIMM3
PCI5
PCI1
PCI2
PCI3
PCI4
ERR1
BIOS1
CDIN1
CDIN2
1.9 Audio Subsystem
1.9.1 CD Audio-In Connectors:CDIN1/CDIN2
Pin CDIN1 Assignment
1 CD-L
2 GND
3 GND
4 CD-R
Pin CDIN2 Assignment
1 GND
2 CD-L
3 GND
4 CD-R

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USB1
COM1
COM2
Printer
FAN2
FAN1
SPEAK OUT
Line in
MIC in
GAME1
VIA
VIA
PA NE L 1
AMR SLOT
AGP SLOT
CMOS1
J1
1
DIMM2 DIMM1 DIMM3
PCI5
PCI1
PCI2
PCI3
PCI4
ERR1
BIOS1
ERR1
/JP1
1.10 Smart Panel Onboard Connector (option)
BIOS1
J2
Note:
The motherboard provides for Smart Panel. If you refer POST
Error Code or Smart Panel function, please refer to Smart
Panel (SP694XA) manual.