CHAPTER 1 INTRODUCTION
1-1
Chapter 1
INTRODUCTION
The 694D PRO (MS-6321) A TX mainboard is a high-performance
computer mainboard based on VIA® VT82C694X chipset. The 694D PRO is
designed for Intel® Pentium® III (FC-PGA) processor for cost-effective
business/personal desktop markets.
The Apollo Pro133A (VT82C694X) is a Socket-370 system logic
north bridge with the addition of 133 MHz capability for both the CPU and
SDRAM interfaces. Apollo Pro133A may be used to implement both desktop
and notebook personal computer systems from 66MHz to 133MHz based on
Socket-370 (Pentium® III processor). The primary features of the Apollo
Pro133A-North Bridge are: Slot-1 or Socket-370 CPU (Front Side Bus)
Interface (66 / 100 / 133MHz), DRAM Memory Interface (66 / 100 / 133MHz),
AGP Bus Interface (66MHz), PCI Bus Interface (33MHz), Mobile Power
Management.
The VT82C686A PSIPC (PCI Super-I/O Integrated Peripheral
Controller) is a high integration, high performance, power-efficient, and high
compatibility device that supports Intel and non-Intel based processor to
PCI bus bridge functionality to make a complete Microsoft PC99-compliant
PCI/ISA system.
CHAPTER 1 INTRODUCTION
1-2
1.1 Mainboard Features
CPU
l Support dual Intel® Pentium® III(FC-PGA) processor .
l Supports 533MHz, 566MHz, 600MHz, 667MHz, 700MHz, 733MHz,
800MHz, 866MHz, and 933MHz .
Chipset
l VIA® 694X chipset. (510 BGA)
- FSB @133MHz
- AGP 4x and PCI plus Advanced ECC Memory Controller
- Support PC100/133 SDRAM & VCM technology
l VIA® VT82C686A chipset. (352 BGA)
- Advanced Power Management Features
- DirectSound AC97 Audio
- Dual bus Master IDE Ultra DMA 33/66
l 1394 PHY Controller (optional)
- TI® TSB41L V02 PHY Digital-to-Analog T ransceiver
- Support up to T wo 1394/1394A v 2.0 Compatible Data Channels
l 1394 Link Layer Controller (optional)
- TI® TSB12L V26 1394 Link Layer Host Controller
- IEEE 1394, 1394 OHCI v1.0 & 1394A v2.0 compatible
- Supports 100/200/400 Mbps High Throughput
- 3.3V & 5V Operation for PCI-to 1394 Interface
l Promise A T A100
- Dual bus master IDE Ultra DMA/AT A 100
- up to 133MB/sec burst transfer rate (through PCI Bus)
Clock Generator
l 66.6MHz, 100MHz and 133Mhz clocks are supported.
Main Memory
l Support eight memory banks using four 168-pin unbuffered DIMM.
l Support a maximum memory size of 2.0GB.
l Support ECC(1-bit Error Code Correct) function.
l Support 3.3V SDRAM DIMM.
CHAPTER 1 INTRODUCTION
1-3
Slots
l One AGP 4x(Accelerated Graphics Port) slot.
- AGP specification compliant
- AGP 66/133MHz 3.3V device support
l One CNR(Communication Network Riser) slot which support Modem
only .
l Five 32-bit Master PCI Bus slots.
l Supports 3.3V/5V PCI bus Interface.
On-Board IDE
l An IDE controller on the VIA® VT82C686A Chipset provides IDE HDD/
CD-ROM with PIO, Bus Master and Ultra DMA 33/66 operation modes.
l Can connect up to eight IDE devices. (If Promise AT A100 driver is
installed)
- 4 Ultra DMA100 + 4 Ultra DMA33/66
On-Board Peripherals
l On-Board Peripherals include:
- 1 floppy port supports 2 FDD with 360K, 720K, 1.2M, 1.44M and
2.88Mbytes.
- 2 serial ports (COMA + COMB)
- 1 parallel port supports SPP/EPP/ECP mode
- 4 USB ports
- 1 IrDA/HP connector for HPSIR.
Audio
l Chip integrated
CHAPTER 1 INTRODUCTION
1-4
BIOS
l The mainboard BIOS provides “Plug & Play” BIOS which detects the
peripheral devices and expansion cards of the board automatically.
l The mainboard provides a Desktop Management Interface(DMI) function
which records your mainboard specifications.
Dimension
l ATX Form Factor
Mounting
l 9 mounting holes.
CHAPTER 1 INTRODUCTION
1-5
1.2 Mainboard Layout
PCI SLOT 3
PCI SLOT 2
PCI SLOT 1
ATX
Power Supply
VIA
694X
chipset
Socket 370 (2)
DIMM 2
Top: mouse
Top: Port 1
USB
DIMM 3
IDE1
IDE2
FDD
VT82C686A
JMDM1
JFP1
JGL1
JBAT1
JWOL1
JPHONE
JAUX1
CPUFAN1
BATT
+
Top: LPT
Bottom:
COM A\ COM B
Top: Midi/
Game Port
Bottom:
Line-Out
Line-In
Mic
694D PRO (MS-6321) A TX Mainboard
JCD1
J5
SYSFAN
CNR
AGP Slot
JRMS1
J6
DIMM 1
PCI SLOT 4
PCI SLOT 5
JCASE1
Diagnostic LED
J13
SW1
Socket 370 (1)
IDE3
IDE4
DIMM 4
CPU
FAN2
ATA100
BIOS
J3
USB2
1394 Link
Layer
Controller
(optional)
1394 PH
Controller
(optional)
Bottom:
Port 2
SW2
Bottom:
keyboard
JDIM1
JDIM2
J11
J12
CHAPTER 2 HARDWARE INSTALLATION
2-1
CPU
CPU
Chapter 2
HARDWARE INSTALLATION
2.1 Central Processing Unit: CPU
The mainboard operates with Intel® Pentium® III (FC-PGA) processor. The
mainboard uses a CPU socket called Socket 370 for easy CPU installation.
The CPU should always have a Heat Sink and a cooling fan attached to
prevent overheating.
3. Press the lever down to
complete the installation.
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.
It should insert easily.
Open Lever
Pin 1
Sliding
Plate
White dot/
Cut edge
Close
Lever
1 . Pull the lever sideways away
from the socket. Then, raise
the lever up to a 90-degree
angle.
Pin 1
2.1-1 CPU Installation Procedures
CHAPTER 2 HARDWARE INSTALLATION
2-2
The BIOS can be used to set the CPU Host Bus Frequency Clock.
If CPU Clock = 66MHz
Core/Bus ratio = 3.5
then CPU core speed = Host Clock x Core/Bus ratio
= 66MHz x 3.5
= 233MHz
2.1-2 CPU Core Speed Derivation Procedure
CHAPTER 2 HARDWARE INSTALLATION
2-3
2.1-3 CPU Speed Setting: SW1/SW2
To adjust the speed of the CPU, you must know the specification of your
CPU (always ask the vendor for CPU specification). The mainboard can
auto-detect between 66, 100 or 133MHz CPU Bus Frequency .
1
3
SW2
1
3
SW1
SW1SW2
1-2 1-2
66 .6 → 100 MHz1-2 Null
100 → 133 MHz
Null 1-2
2-3 1-2
133 → 100 MHz
Auto
2-3 2-3
133 → 66.6 MHz
100 → 66.6 MHz
Function
CHAPTER 2 HARDWARE INSTALLATION
2-4
2.1-4 Dual Processor or Single Processor Installation
Intel Pentium III processor has termination circuitry for the processor’s
AGTL+ bus. In a two processor platform, each end of the bus must be
properly terminated, whether or not both processor socket locations have
processors installed. The 694DPro has implemented 2 methods to meet
Intel Design guide. Please check onboard AGTL+ bus terminator resistor
support at location (1). If there’s no onboard AGTL+ Bus Terminator
Resistor, users should get PGA 370 bus terminator card (MS-6916) from MSI
to plug into CPU 2.
Function
CPU 1 + CPU 2
CPU 1 + PGA 370 Bus Terminator Card (CPU
2) or
CPU 1 + Onboard AGTL+ Bus Terminator
Resistor (located inside CPU 2)
AGTL+ Bus Terminator
Location (1)
Processor
Dual
Processor
Single
Processor
CPU 1
CPU 2
PGA 370 Bus
Terminator Card
(MS-6916)
Onboard
AGTL+ Bus
T erminator
Resistor
CHAPTER 2 HARDWARE INSTALLATION
2-5
2.1-5 Fan Power Connectors: CPUFAN1/CPUFAN2/SYSFAN
These connectors support system cooling fan with + 12V. It supports three
pin head connector. When connecting the wire to the connector, always
take note that the red wire is the positive and should be connected to the
+12V, the black wire is Ground and should be connected to GND. If your
mainboard has System Hardware Monitor chipset on-board, you must use a
specially designed fan with speed sensor to take advantage of this function.
For fans with fan speed sensor, every rotation of the fan will send out 2
pulses. System Hardware Monitor will count and report the fan rotation
speed.
Note: 1. Always consult vendor for proper CPU cooling fan.
2. CPU F AN supports the FAN control. You can install PC Alert
utility . This will automatically control the CPU F AN Speed according
to the actual CPU temperature.
CPUFAN2
CPUFAN1: Processor Fan 1
CPUFAN2: Processor Fan 2
SYSFAN: System Fan (Non speed report)
SYSFAN
+12V
GND
SENSOR
CPUFAN1
+12V
SENSOR
GND
+12V
SENSOR
GND
CHAPTER 2 HARDWARE INSTALLATION
2-6
2.2 Clear CMOS Jumper: JBAT1
A battery must be used to retain the mainboard configuration in CMOS
RAM. Short 1-2 pins of JBAT1 to store the CMOS data.
Keep Data
Clear Data
3
3
1
1
Note: Y ou can clear CMOS by shorting 2-3 pin, while the system is off .
Then, return to 1-2 pin position. A void clearing the CMOS while
the system is on, it will damage the mainboard. Always unplug
the power cord from the wall socket.
2
2
3
1
JBAT1
CHAPTER 2 HARDWARE INSTALLATION
2-7
2.3 Memory Installation
2.3-1 Memory Bank Configuration
The mainboard supports a maximum memory size of 512MB (8M x 8) or 1G
(16M x 4) registered DIMM for SDRAM: It provides four 168-pin
unbuffered DIMMs (Double In-Line Memory Module) sockets. It supports
8 MB to 256 Mbytes DIMM memory module.
DIMM1(Bank0+ Bank1)
DIMM2(Bank2+ Bank3)
DIMM3(Bank4+ Bank5)
There are three kinds of DIMM specification supported
by this mainboard: PC133, PC100 and PC66. If you
use 66MHz CPU Bus Frequency, these four DIMM
Specs. is supported. If you use 100 MHz CPU Bus
Frequency, only PC100 DIMM Specs. is supported.If
you use 133 MHz CPU Bus Frequency, only PC133
DIMM Specs. is supported.
!
W ARNING!
DIMM4(Bank6+ Bank7)
CHAPTER 2 HARDWARE INSTALLATION
2-8
A. How to install a DIMM Module
1. The DIMM slot has 2 Notch Keys “VOLT and DRAM”, so the
DIMM memory module can only fit in one direction.
2. Insert the DIMM memory module vertically into the DIMM slot.
Then push it in.
3. The plastic clip at the side of the DIMM slot will automatically
close.
Single Sided DIMM
Double Sided DIMM
VOLTDRAM
2.3-2 Memory Installation Procedures
CHAPTER 2 HARDWARE INSTALLATION
2-9
1 . Supports only SDRAM DIMM.
2 . To operate properly, at least one 168-pin DIMM module must be in-
stalled.
3. This mainboard supports T able Free memory , so memory can be installed
on DIMM1, DIMM 2, DIMM 3 or DIMM 4 in any order .
4. Supports 3.3 volt DIMM.
5. The DRAM addressing and the size supported by the mainboard is
shown below:
2.3-3 Memory Population Rules
T able 2.3-1 SDRAM Memory Addressing
16 M 1Mx16 ASYM 1 1 8 8MB x 4 16MBx8
2Mx8 ASYM 1 1 9 16MBx8 32MBx16
4Mx4 ASYM 1 1 10 32MB 64MB
64 M 2Mx32 ASYM 1 1 9 32MBx2 64MBx4
2Mx32 ASYM 12 8 16MBx2 32MBx4
4Mx16 ASYM 1 1 10 32MB 64MB
4Mx16 ASYM 13 8 32MB 64MB
8Mx8 ASYM 13 9 64MB 128MB
16Mx4 ASYM 13 10 128MB 256MB
64 M 2Mx32 ASYM 12 8 16MB 32MB
4Mx16 ASYM 13 8 32MB 64MB
8Mx8 ASYM 13 9 64MB 128MB
16Mx4 ASYM 13 10 128MB 256MB
DRAM
T ech.
DRAM
Density &
Width
DRAM
Addressing
Address Size
MB/DIMM
Row
Column
Single
Side(S)
Double
Side(D)
no.
pcs.
no.
pcs.
CHAPTER 2 HARDWARE INSTALLATION
2-10
2.4 Case Connector: JFP1
The Power Switch, Reset Switch, Power LED, Speaker, and HDD LED are all
connected to the JFP1 connector block.
JFP1
Power
Switch
Power LED
+
Reset
Switch
HDD
LED
+
Speaker
Buzzer
(short
pin)
14
15
Dual
Color
LED
Single
Color
LED
CHAPTER 2 HARDWARE INSTALLATION
2-11
2.4-1 Power Switch
Connect to a 2-pin push button switch. This switch has the same feature
with JRMS1.
2.4-2 Reset Switch
Reset switch is used to reboot the system rather than turning the power ON/
OFF . Avoid rebooting while the HDD LED is lit. Y ou can connect the Reset
switch from the system case to this pin.
2.4-3 Power LED
The Power LED is lit while the system power is on. Connect the Power LED
from the system case to this pin. There are two types of LED that you can
use: 3-pin single color LED or 2-pin dual color LED(ACPI request).
a. 3 pin single color LED connect to pin 4, 5, & 6. This LED will lit
when the system is on.
b. 2 pin dual color LED connect to pin 5 & 6.
GREEN Color: Indicate the system is in full on mode.
ORANGE Color: Indicate the system is in suspend mode.
2.4-4 Speaker
Speaker from the system case is connected to this pin.
If on-board Buzzer is available:
Short pin 14-15: On-board Buzzer Enabled.
Open pin 14-15: On-board Buzzer Disabled.
2.4-5 HDD LED
HDD LED shows the activity of a hard disk drive. A void turning the power
off while the HDD led is lit. You can connect the HDD LED from the system
case to this pin.
CHAPTER 2 HARDWARE INSTALLATION
2-12
2.5 Floppy Disk Connector: FDD
The mainboard also provides a standard floppy disk connector FDD that
supports 360K, 720K, 1.2M, 1.44M and 2.88M floppy disk types. This
connector supports the provided floppy drive ribbon cables.
FDD
1
CHAPTER 2 HARDWARE INSTALLATION
2-13
Secondary IDE Connector
Primary IDE Connector
1
1
Third IDE Connector
Fourth IDE Connector
1
1
2.6 Hard Disk Connectors: IDE1, IDE2, IDE3 &
IDE4
The mainboard has a 32-bit Enhanced PCI IDE Controller that provides PIO
mode 0~4, Bus Master, and Ultra DMA function. It has four HDD connectors IDE1 (primary), IDE2 (secondary), IDE3 and IDE4. Y ou can connect up
to eight hard disk drives, CD-ROM, 120MB Floppy (reserved for future
BIOS) and other devices to IDE1, IDE2, IDE3 and IDE4. These connectors
support the provided IDE hard disk cable.
CHAPTER 2 HARDWARE INSTALLATION
2-14
IDE1(Primary IDE Connector)
The first hard drive should always be connected to IDE1. IDE1 can connect
a Master and a Slave drive. You must configure second hard drive to Slave
mode by setting the jumper accordingly .
IDE2(Secondary IDE Connector)
IDE2 can also connect a Master and a Slave drive.
IDE3 (Third IDE Connector)
ATA100(1) can also connect a Master and a Slave drive.
IDE4 (Fourth IDE Connector)
ATA100(2) can also connect a Master and a Slave drive.
CHAPTER 2 HARDWARE INSTALLATION
2-15
2.7 Power Supply
2.7-1 ATX 20-pin Power Connector: JWR1
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 by this mainboard. This power connector supports instant power
on function which means that system will boot up instantly when the power
connector is inserted on the board.
PIN SIGNAL
11 3.3V
12 -12V
13 GND
14 PS_ON
15 GND
16 GND
17 GND
18 -5V
19 5V
20 5V
PIN SIGNAL
1 3.3V
2 3.3V
3 GND
45V
5 GND
65V
7 GND
8 PW_OK
9 5V_SB
10 12V
PIN DEFINITION
Warning: Since the mainboard has the instant power on function, make
sure that all components are installed properly before inserting the power
connector to ensure that no damage will be done.
AT X
Power Connector
20 11
10 1
CHAPTER 2 HARDWARE INSTALLATION
2-16
2.7-2 Remote Power On/Off Switch: JRMS1
Connect to a 2-pin push button switch. During OFF state, press once and
the system turns on. During ON stage, push once and the system goes to
sleep mode: pushing it more than 4 seconds will change its status from ON
to OFF. If you want to change the setup, you could go to the BIOS Power
Management Setup. This is only used for ATX type power supply.
JRMS1
CHAPTER 2 HARDWARE INSTALLATION
2-17
2.8 HP Infrared Module Connector: J3
The mainboard provides one infrared (J3) connector for IR modules. This
connector is for optional wireless transmitting and receiving infrared module.
You must configure the setting through the BIOS setup to use the IR
function.
VCC
NC
IRRX
GND
IRTX
1
J3
CHAPTER 2 HARDWARE INSTALLATION
2-18
2.9 Serial Port Connectors: COM A and COM B
The mainboard provides two 9-pin male DIN connectors for serial port COM
A & COM B. These port are 16550A high speed communication port that
send/receive 16 bytes FIFOs. You can attach a mouse or a modem cable
directly into this connector.
PIN SIGNAL
1 DCD(Data Carry Detect)
2 SIN(Serial In or Receive Data)
3 SOUT(Serial Out or Transmit Data)
4 DTR(Data T erminal Ready)
5 GND
6 DSR(Data Set Ready)
7 RTS(Request To Send)
8 CTS(Clear To Send)
9 RI(Ring Indicate)
PIN DEFINITION
1 2 3 4 5
6 7 8 9
COM A
Serial Port (9-pin Male)
COM B
CHAPTER 2 HARDWARE INSTALLATION
2-19
2.10 Parallel Port Connector: LPT1
The mainboard provides a 25 pin female centronic connector for LPT . A
parallel port is a standard printer port that also supports Enhanced Parallel
Port (EPP) and Extended capabilities Parallel Port (ECP). See connector and
pin definition below:
PIN SIGNAL PIN SIGNAL
1 STROBE 14 AUTO FEED#
2 DAT A0 15 ERR#
3 DAT A1 16 INIT#
4 DA TA2 1 7 SLIN#
5 DATA3 18 GND
6 DATA4 19 GND
7 DATA5 20 GND
8 DATA6 21 GND
9 DATA7 22 GND
10 ACK# 23 GN D
11 BUSY 2 4 GN D
12 PE 25 GND
13 SELECT
PIN DEFINITION
LPT 1
13
Parallel Port (25-pin Female)
1
25
14
CHAPTER 2 HARDWARE INSTALLATION
2-20
2.11 Mouse Connector: JKBMS1
The mainboard provides a standard PS/2® mouse mini DIN connector for
attaching a PS/2® mouse. You can plug a PS/2® mouse directly into this
connector. The connector location and pin definition are shown below:
2.12 Keyboard Connector: JKBMS1
The mainboard provides a standard PS/2® keyboard mini DIN connector for
attaching a keyboard. You can plug a keyboard cable directly to this
connector .
PS/2 Mouse (6-pin Female)
PS/2 Keyboard (6-pin Female)
Pin1
Mouse DATA
Pin6
NC
Pin2
NC
Pin4
VCC
Pin3
GND
Pin5
Mouse Clock
Pin1
KBD DATA
Pin6
NC
Pin2
NC
Pin3
GND
Pin5
KBD Clock
Pin4
VCC
CHAPTER 2 HARDWARE INSTALLATION
2-21
2.14 Audio Port Connectors
Line Out is a connector for Speakers or Headphones. Line In is used for
external CD player, T ape layer , or other audio devices. Mic is a connector for
the microphones.
Line Out
Line In
Mic
1/8” Stereo Audio Connectors
2.13 Joystick/Midi Connectors
You can connect joystick or game pad to this connector.
Joystick/MIDI
CHAPTER 2 HARDWARE INSTALLATION
2-22
2.15 USB Connectors
The mainboard provides a UHCI (Universal Host Controller Interface)
Universal Serial Bus root for attaching USB devices like: keyboard, mouse
and other USB devices. You can plug the USB device directly to this
connector .
USB Port 2
USB Port 1
PIN SIGNAL
1 VCC
2 -Data
3 +Data
4 GND
1 2 3 4
CHAPTER 2 HARDWARE INSTALLATION
2-23
2.16 Wake-Up on LAN Connector: JWOL1
The JWOL1 connector is for use with LAN add-on cards that supports
Wake Up on LAN function. To use this function, you need to set the
“W ake-Up on LAN” to enable at the BIOS Power Management Setup.
PIN SIGNAL
1 5VSB
2 GND
3 MP_WAKEUP
Note: LAN wake-up signal is active “high”.
Note: To be able to use this function, you need a power supply that
provide enough power for this feature. (Power supply with 750mA
5V Stand-by)
JWOL1
1
3
CHAPTER 2 HARDWARE INSTALLATION
2-24
2.17 Modem Wake Up Connector: JMDM1
The JMDM1 connector is for use with Modem add-on card that supports
the Modem Wake Up function.
Note: Modem wake-up signal is active “low”.
PIN SIGNAL
1NC
2 GND
3 MDM_WAKEUP
4NC
5 5VSB
Note: To be able to use this function, you need a power supply that
provide enough power for this feature. (Power supply with 750mA
5V Stand-by)
JMDM1
1
5
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