MSI 694D PRO User manual
CHAPTER 1 INTRODUCTION
1-1
Chapter 1
INTRODUCTION
The694DPRO(MS-6321)ATXmainboardisahigh-performance
computermainboard based on VIA®VT82C694Xchipset. The 694D PRO is
designed for Intel®Pentium®III (FC-PGA) processor for cost-effective
business/personal desktop markets.
TheApolloPro133A(VT82C694X)isaSocket-370systemlogic
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-NorthBridgeare:Slot-1orSocket-370CPU(FrontSideBus)
Interface(66/100/133MHz),DRAMMemoryInterface(66/100 / 133MHz),
AGP Bus Interface (66MHz), PCIBusInterface(33MHz),Mobile Power
Management.
TheVT82C686A PSIPC (PCI Super-I/OIntegratedPeripheral
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
lSupport dual Intel®Pentium®III(FC-PGA) processor.
lSupports533MHz,566MHz,600MHz,667MHz,700MHz,733MHz,
800MHz,866MHz,and933MHz.
Chipset
lVIA®694Xchipset. (510BGA)
-FSB@133MHz
-AGP 4x and PCI plus Advanced ECCMemory Controller
-SupportPC100/133SDRAM & VCM technology
lVIA®VT82C686Achipset.(352BGA)
- Advanced Power Management Features
- DirectSound AC97 Audio
- Dual bus Master IDE Ultra DMA 33/66
l1394PHY Controller(optional)
-TI®TSB41LV02PHY Digital-to-AnalogTransceiver
- Support up to Two 1394/1394A v 2.0 Compatible Data Channels
l1394Link Layer Controller(optional)
-TI®TSB12LV26 1394Link LayerHost Controller
-IEEE1394,1394 OHCIv1.0&1394Av2.0compatible
- Supports 100/200/400 Mbps High Throughput
-3.3V & 5V OperationforPCI-to 1394 Interface
lPromiseATA100
- Dual bus master IDE Ultra DMA/ATA 100
- up to 133MB/sec burst transfer rate (through PCI Bus)
ClockGenerator
l66.6MHz,100MHzand133Mhz clocks are supported.
MainMemory
lSupport eight memory banks using four 168-pin unbuffered DIMM.
lSupportamaximummemorysizeof 2.0GB.
lSupportECC(1-bitErrorCode Correct) function.
lSupport3.3V SDRAM DIMM.
CHAPTER 1 INTRODUCTION
1-3
Slots
lOneAGP 4x(Accelerated Graphics Port) slot.
- AGP specification compliant
- AGP66/133MHz3.3V device support
lOne CNR(Communication Network Riser) slot which support Modem
only.
lFive 32-bit Master PCI Bus slots.
lSupports3.3V/5V PCI bus Interface.
On-BoardIDE
lAnIDE controller on the VIA®VT82C686AChipset provides IDE HDD/
CD-ROM with PIO, Bus Master and Ultra DMA 33/66 operation modes.
lCan connect up to eight IDE devices. (If Promise ATA100 driver is
installed)
-4 Ultra DMA100+4 Ultra DMA33/66
On-BoardPeripherals
lOn-BoardPeripherals include:
-1 floppy port supports 2 FDD with360K, 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
lChip integrated
CHAPTER 1 INTRODUCTION
1-4
BIOS
lThe mainboard BIOS provides “Plug & Play” BIOS which detects the
peripheral devices and expansion cards of the board automatically.
lThe mainboard provides a Desktop Management Interface(DMI) function
which records your mainboard specifications.
Dimension
lATX Form Factor
Mounting
l9 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:Port1
USB
DIMM 3
IDE1
IDE2
FDD
VT82C686A
JMDM1
JFP1
JGL1
JBAT1
JWOL1
JPHONE
JAUX1
CPUFAN1
BATT
+
Top:LPT
Bottom:
COMA\ COM B
Top: Midi/
GamePort
Bottom:
Line-Out
Line-In
Mic
694DPRO(MS-6321)ATXMainboard
JCD1
J5
SYSFAN
CNR
AGP Slot
JRMS1
J6
DIMM 1
PCI SLOT 4
PCI SLOT 5
JCASE1
DiagnosticLED
J13
SW1
Socket 370 (1)
IDE3
IDE4 DIMM 4
CPU
FAN2
ATA100
BIOS
J3
USB2
1394Link
Layer
Controller
(optional)
1394PH
Controller
(optional)
Bottom:
Port2 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.
OpenLever
Pin1
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.
Pin1
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 CPUClock = 66MHz
Core/Bus ratio = 3.5
then CPU core speed = Host Clockx Core/Bus ratio
= 66MHzx3.5
= 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→100MHz1-2 Null
100→133MHz
Null 1-2
2-3 1-2 133→100MHz
Auto
2-3 2-3 133→66.6MHz
100→66.6MHz
Function
CHAPTER 2 HARDWARE INSTALLATION
2-4
2.1-4 Dual Processor or Single Processor Installation
IntelPentium 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
Terminator
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 FAN supports the FAN control. You can install PC Alert
utility. This will automatically control the CPU FAN 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
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