MSI MS-6120 Manuel utilisateur
CHAPTER 1 INTRODUCTION
1-1
Chapter 1
INTRODUCTION
The ATX BX2 mainboard is a high-performance dual-processor personal
computer mainboard based on the Intel®Pentium®II processor. The Intel®
Pentium®II processor supports MMXTM(Multimedia Extension) technology.
The mainboard uses the highly integrated Intel®82440BX chipset to support
the PCI/ISA and Green standards, and to provide the Host/AGP bridge. The
82371EB chipset integrates all system control functions such as ACPI
(Advanced Configuration and Power Interface). The ACPI provides more
Energy Saving Features for the OSPM(OS Direct Power Management)
function. The Intel®82371EB chipset also improves the IDE transfer rate by
supporting Ultra DMA/33 IDE that transfers data at the rate of 33MB/s.
The mainboard also supports the System Hardware Monitor Controller as an
optional function. This function includes: CPU /power supply/chassis fan
revolution detect, CPU/system voltage monitor, system temperature monitor,
and chassis intrusion detect(optional).
CHAPTER 1 INTRODUCTION
1-2
1.1 Mainboard Features
CPU
lTwo Slot 1 for Intel®Pentium®II processor.
lSupportsFSB66MHzfor233MHz,266MHz,300MHz,333MHzandhigher.
FSB100MHz for 350MHz,400MHz, 450MHz, 500MHzand higher
Chipset
lIntel®82440BXAGPchipset.
ClockGenerator
l66.6MHz/100MHzclocks are supported.
MainMemory
lSupports eight memory banks using four 168-pin unbuffered DIMM
sockets.
lSupportsa maximum memorysizeof 1GB forRegisteredSDRAM and
512MBforUnbufferedSDRAM.
lSupportsECC(1- bit Error CodeCorrect)and EC(Multiple-Bit ErrorDetect)
function.
Slots
lOne AGP(Accelerated Graphics Port) slot.
- AGP specification compliant
- AGP66/133MHz 3.3v devicesupport
lFive 32-bit PCI Bus slots (provides four PCI Master slots and one PCI
Slave slot) and two 16-bit ISA bus slots (one shared slot)
lSupports 3.3v/5v PCI bus Interface.
On-BoardIDE
lAn IDE controller on the Intel®82371EB PCI Chipsetprovides IDE HDD/
CD-ROM with PIO, Bus Master and Ultra DMA/33 operation modes.
lCan connect up to four IDE devices.
CHAPTER 1 INTRODUCTION
1-3
On-BoardDualChannelUltraWideSCSI
lAdaptec®7895 Dual Channel Ultra Wide chipset.
On-BoardPeripherals
lOn-Board Peripherals include:
- 1 floppy port supports 2 FDD with 360K, 720K, 1.2M, 1.44M and
2.88Mbytes.
- 2 serial ports (COMA + COMB) or 1 serial port and 1 IrDA port.
- 1 parallel port supports SPP/EPP/ECP mode
- 2 USB ports
SwitchingVoltage Regulator
lOn-board switching mode DC-DC Step Down Regulator.
lConforms to Intel VRM ver 8.1 specifications.
lOver-Voltage and Over-Current protection.
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: 30cm(L) x 25cm(W)x6layersPCB
Mounting
l9 mounting holes.
SystemHardwareMonitor(optional)
lCPU/Power Supply/Chassis Fan Revolution Detect
lCPU Fan Control (the fan will automatically stop when the system enters
suspend mode)
lSystem Voltage Detect
lCPU Overheat Warning.
lDisplay Actual Current Voltage
CHAPTER 1 INTRODUCTION
1-4
1.2 Mainboard Layout
MS-6120
DIMM 1
Top: mouse
Bottom:
keyboard
Top:Port1
USB
Top: LPT
Bottom:
COMA
COMB
DIMM 2
DIMM 3
DIMM 4
ISA SLOT 1
PCI SLOT 4
PCI SLOT 3
PCI SLOT 2
PCI SLOT 1
SLOT 1
ISA SLOT 2
FDC
BATT
+
IDE2
IDE1
Hardware
Monitor
ATX
Power Supply
BIOS
FW82371EB
JFP1
JIPWR
CSFAN1
CFAN1
IR1
PSFAN1
FW82443BX
AGP
Bottom:
Port2
CFAN2
PCI SLOT 5
SLOT 1
I/O
APIC
16-bitUltraWide SCSI CH1
JWLED1
JBAT1
JMDM1 JWOL1
JSOUND
JSOR1 JSOR2
JRMS1
JRMS2
JSM1
SW1
JGS1
JGL1
16-bitUltraWide SCSI CH2
8-bitUltra SCSI CH2
Adaptec
7895
JDSCSI
5
1
10
6
1
3
4
6
16
1
1
10
9
18
CHAPTER 2 HARDWARE INSTALLATION
2-1
Chapter 2
HARDWARE INSTALLATION
2.1 Central Processing Unit: CPU
Themainboard operates withIntel®Pentium®II processorwithMMXTM
technology. The mainboard uses a CPU Slot called Slot 1 for easy CPU
installation and a DIP switch (SW1) to set the proper speed for the CPU.
The CPU should always have a Heat Sink and a cooling fan attached to
prevent overheating.
CHAPTER 2 HARDWARE INSTALLATION
2-2
2.1-1 CPU Installation Procedures
A. OEM Pentium®II processor Installation Procedures
There are two kinds of Pentium®II processor that is currently used: the
OEM Pentium®II processor and the Boxed Pentium®II processor. OEM
Pentium®II processor has no Heat Sink, Fan and Heat Sink Support, while
the Boxed Pentium®II processor is provided with Heat Sink w/ fan and Heat
Sink Support.
Required Things:
Pentium®IIprocessor- Processor.
*RetentionMechanism(RM)-Plastic Guide thatholdsthe S.E.C. Catridge
in the Slot 1 connector.
*RetentionMechanismAttachMount(RMAM) -Bolt/Bridgeassemblies
inserted up through the bottom of the
motherboard. RM secures to RMAM ( 2
RMAM required per RM ).
*Heat SinkSupport Base(HSSBASE) - Plastic support bar mounted to
the mainboard under the ATX heatsink.
(One leg is always bigger than the other one)
Processor
Lock
Retention
Mechanism
Pentium®II
Processor
Heat Sink
W/Fan
Notch Hole
Heat Sink
Support Base Heat Sink
Support Pin
Heat Sink
Support
Top Bar
CHAPTER 2 HARDWARE INSTALLATION
2-3
*HeatSink Support Pin(HSSPIN) - Plastic pins inserted through the
HSSBASE to secure it to the mainboard (2
required per Assembly).
*Heat SinkSupportTopBar (HSSTOP) - Plastic bar that clips onto the
HSSBASE through the fins on the ATX
heatsink.
**Heat Sink w/ fan - Heat Sink that can be attached to thePentium®II
processorwith metal clip.
Note:* Provided by MSI mainboard.
** Provided by Special request.
RM
HSSPIN
HSSTOP
HSSBASE
RMAM
CHAPTER 2 HARDWARE INSTALLATION
2-4
SLOT1
Retention
Mechanism
êê
Key
êê
Retention
Mechanism
Attach Mount
Notch
Key
Step 1: Insert the Retention Mechanism Attach Mount at the bottom
of the mainboard.
Step 2: Install the Retention Mechanism.
Look for the key on Slot 1, and match it with the Notch Key on the
Retention Mechanism for proper direction. Then, attach the
Retention Mechanism to the Retention Mechanism Attach Mount.
Use a Screwdriver to secure the Retention Mechanism.
CHAPTER 2 HARDWARE INSTALLATION
2-5
Step 3: Install the Heat Sink Support Base.
Look for the Two holes across Slot 1, and match it with the Two legs
of the Heat Sink Support Base for the proper direction. Take note
that one hole/leg is bigger than the other. The Four top pins of the
Heat Sink Support Base should also be oriented towards Slot 1.
Push the Heat Sink Support Base onto the mainboard, until you hear
a click sound. Check for a perfect fit.
Step 4: Install the Heat Sink Support Pin.
Push the Heat Sink Support Pins onto the two holes of the Heat Sink
Support Base. Check for a perfect fit. These pins are used to secure
the Heat Sink Support Base.
Heat Sink
Support Base
Heat Sink
Support Pin
Leg
pins
CHAPTER 2 HARDWARE INSTALLATION
2-6
Step 5: Install the Heat Sink with Fan to the Processor.
Push down the metal clips, so that they are in line with the back of
the Heat Sink. Be careful, so as not detach the metal clips from the
HeatSink.
In case the metal clips are detached from the Heat Sink, re-attach
them. Look for the arrow on the metal clip. This arrow should be
pointing down and aligned with the Heat Sink Support Base Holder.
Attach the Heat Sink to the processor.
- Look at the back of the Heat Sink and take note of the 2 secure
posts. Insert these 2 Secure posts to the 2 secure holes on the
back of the processor.
- Align the ears of the metal clips with the clip holders on the back of
the processor. Use a screw driver to push the metal clips onto the
clip holders. Check for a perfect fit.
Pentium®II processor (Back)
â
Thearrow
shouldbe
pointing
down.
Metal Clips
Heat Sink w/ Fan
Metal Clips Ear
Metal Clips Ear
Secure
Posts
Heat Sink w/ Fan(Back)
HeatSink
BaseHolder
Secure
holes
Clip Holder
Clip Holder
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