MSI 815 PRO User manual

CHAPTER 1 INTRODUCTION
1-1
The815PRO(MS-6326)ATX S2 mainboardisahigh-performance
computer mainboard based on Intel®815 chipset. The 815 PRO is optimized
to support the Intel®Pentium®III (FC-PGA) processor for high-end busi-
ness/personal desktop markets.
The Intel®815 chipset integrates a Display Cache SDRAM control-
ler that supports a 32-bit 133MHz SDRAM array for enhanced integrated 3D
graphics performance. It is a highly-flexible chipset which is designed to
extend the basic graphics/multimedia PC platform up to the mainstream
performance desktop platform.
The Intel®815 chipset implements the host address, control, and
data bus interfaces within a single device. It takes advantage of the
pipelined addressing capability of the processor to improve the overall
system performance. In addition, the chipset also integrates a system
memory controller that supports a 64-bit 100/133 MHz SDRAM array.
The Intel®82801AA (ICH) chipset is a highly integrated
multifunctional I/O Controller Hub that provides the interface to the PCI Bus
and integrates many of the functions needed in today’s PC platforms. It
communicates with the host controller over a dedicated hub interface and
provides added flexibility in designing cost-effective system solutions.
Chapter 1
INTRODUCTION

CHAPTER 1 INTRODUCTION
1-2
1.1 Mainboard Features
CPU
lSupportSocket370 for Intel®CeleronTM/Pentium®III(FC-PGA) processor.
lSupport500MHz,550MHz,600MHz,633MHz, 667MHzandup to1GHz.
Chipset
lIntel®815chipset.(544 BGA)
-AGP4x/2x universal slot
-Support66/100/133MHz FSB
lIntel®ICHchipset.(241 BGA)
- AC’97 Controller Integrated
- 2 full IDE channels, up to ATA66
- Low pin count interface for SIO
MainMemory
lSupport three 168-pin DIMM sockets.
lSupport a 32 to 512MB using 16/64/128/256Mbit technology.
Slots
lOne AMR(Audio Modem Riser).
lOneAGP(AcceleratedGraphicsPort)2x/4xslot.
lFive PCI 2.2 32-bit Master PCI Bus slots.
lSupport 3.3v/5v PCI bus Interface.
On-BoardIDE
lAn IDE controller on the ICH chipset provides IDE HDD/CD-ROM with
PIO, Bus Master and Ultra DMA 66 operation modes.
lCan connect up to four IDE devices.

CHAPTER 1 INTRODUCTION
1-3
On-BoardPeripherals
lOn-BoardPeripherals include:
-1 floppy port supports 2 FDD with 360K, 720K, 1.2M,
1.44M and 2.88Mbytes.
- 1 serial port (COMA)
- 1 parallel port supports SPP/EPP/ECP mode
- 4 USB ports (Rear * 2 / Front * 2)
-1VGA port
Video
lGMCHchip integrated
l2D/3DGraphics
lIntel®D.V.M Technology
lFlexibleAGPIn-LineMemoryModule(AIMM) (optional)
lOneAGPSlotforexternalAGPcard
Audio
lICH chip integrated
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
l6 mounting holes.

CHAPTER 1 INTRODUCTION
1-4
1.2 Mainboard Layout
PCI SLOT 2
PCI SLOT 1
ATX
Power Supply
Intel
815
Chipset
Socket 370
DIMM 2
Top: mouse
Bottom:
keyboard
Top:Port 1
USB
IDE2
Bottom:
Port2
IDE1 FDD
JBAT1
Intel
FW82801AA
CD_IN
AUX_IN
CPUFAN
SYSFAN
Top:LPT
Bottom:
COMA
VGA
Top: Midi/
GamePort
Bottom:
Line-Out
Line-In
Mic
MDM_IN
ICH
AGP Slot
BATT
+
DIMM 1
AMR1
PCI SLOT 3
J10
JGL1
DIMM 3
COM B
JUSB1
PCI SLOT 4
PCI SLOT 5
J5
815 PRO (MS-6326) ATX S2 Mainboard
JKBV1
PSFAN
DiagnosticLED
SW1
JVTT1
JUSBV2
BIOS
JMDM1
JWOL1
J11
J1 J2
JGS1
JP2
FWH
JP3
J7 J6

CHAPTER 2 HARDWARE INSTALLATION
2-1
CPU
CPU
Chapter 2
HARDWARE INSTALLATION
2.1 Central Processing Unit: CPU
The mainboard operateswith Intel®CeleronTM/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 mainboard CPU Bus Frequency can be set through BIOS setup.
If CPUClock = 100MHz
Core/Bus ratio = 7
then CPU core speed = Host Clockx Core/Bus ratio
= 700MHz
2.1-2 CPU Core Speed Derivation Procedure

CHAPTER 2 HARDWARE INSTALLATION
2-3
2.1-3 Overclocking Jumper: SW1
Overclocking is operating a CPU/Processor beyond its specified
frequency. SW1 jumper is used for overclocking.
SW1
SW1 Function
Auto detect/Default
Set from 133MHz to 160MHz through BIOS (DRAM: PC133)
Set from 133MHz to 167MHz through BIOS (DRAM: PC100)
Note: If you used this jumper for overclocking, you also need to
modify the CPU Bus ratio through BIOS.
6
5
4
3
2
1
6
5
4
3
2
1
Set from 100MHz to 150MHz through BIOS
Set from 66MHz to 100MHz through BIOS
6
5
4
3
2
1
1
2
3
4
5
6

CHAPTER 2 HARDWARE INSTALLATION
2-4
2.1-4 Fan Power Connectors: CPUFAN, SYSFAN &
PSFAN
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 con-
nected 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.
CPUFAN
CPUFAN: Processor Fan
SYSFAN: SystemFan
PSFAN: Power SupplyFan
+12V
SENSOR
GND
SYSFAN
+12V
SENSOR
GND
PSFAN
+12V
SENSOR
GND

CHAPTER 2 HARDWARE INSTALLATION
2-5
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
11
3
3
Note: You can clear CMOS by shorting 2-3 pin, while the system is off.
Then, return to 1-2 pin position. Avoid clearing the CMOS while
the system is on, it will damage the mainboard. Always unplug
the power cord from the wall socket.
22
JBAT1
1
3

CHAPTER 2 HARDWARE INSTALLATION
2-6
2.3 Memory Installation
2.3-1 Memory Bank Configuration
The mainboard supports a maximum memory size of 512MB: It provides
three168-pinunbufferedDIMMs (Double In-Line Memory Module) sockets.
It supports 32MB to 512MB DIMM memory module.
DIMM1(Bank0+Bank1)
DIMM2(Bank2+Bank3)
DIMM3(Bank4+Bank5)