Intel MS-6112 Manuale utente
CHAPTER 1 INTRODUCTION
1-1
The MS-6112 is a high-performance personal computer mainboard based on
the Pentium®II processor.
The mainboard uses the highly integrated Intel®82440LX AGPset which
optimize the system bandwidth and concurrency with the implementation of
Quad Port Acceleration (QPA). QPA provides 4-port concurrent arbitration
of the processor bus, graphics, PCI bus and SDRAM.
The Intel®82371AB 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®82371AB 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 LM78 System Hardware Monitor
Controller as optional function. The LM78 function includes: CPU /power
supply/chassis fan revolution detect, CPU/system voltage monitor, system
temperature monitor, and chassis intrusion detect(optional).
Chapter 1
INTRODUCTION
CHAPTER 1 INTRODUCTION
1.1 Mainboard Features
CPU
lSlot 1 for Pentium®II processor
lSupports200MHz,233MHz,266MHz,300MHz,and333MHz.
lCore/Busratiosare x2,x2.5,x3,x3.5,x4,x4.5,x5,x5.5,x6and higher.
SwitchingVoltageRegulator
lOn-board switching mode DC-DC Step Down Regulator.
lConforms to Intel®VRM ver 8.1 specifications.
lOver-Voltage and Over-Current protection.
ChipSet
lIntel®82440LXPCIChipset.
ClockGenerator
l66.6MHz clocks are supported.
MainMemory
lSupports six memory banks using three 168-pin unbuffered DIMM
sockets.
lSupportsamaximum memory sizeof512MB with SDRAM,or1GB with
EDO.
lSupportsECC(Error Check Correct)and EC(Multiple-Bit ErrorCorrection)
function.
lSupports 3.3v Extended Data Output (EDO) and SDRAM DIMM.
Slots
lOne AGP(Accelerated Graphics Port) slot.
- AGP specification compliant
- AGP66/133MHz 3.3v device support
lThree 32-bit Master PCI Bus slots and four 16-bit ISA bus slots wherein
one shared slot that can be used as ISA or PCI.
lSupports 3.3v/5v PCI bus Interface.
1-2
CHAPTER 1 INTRODUCTION
1-3
On-BoardIDE
lAn IDE controller on the Intel®82371AB PCI Chipset provides IDE HDD/
CD-ROM with PIO, Bus Master and Ultra DMA/33 operation modes.
lCan connect up to four IDE devices.
On-BoardPeripherals
lOn-BoardPeripherals 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
- 2 USB ports
- 1 IrDA connector for SIR.
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.
On-BoardSystemHardwareMonitor(LM78)
lCPU/Power Supply/Chassis Fan Revolution Detect
lCPU Fan Control (the fan will automatically stop when the system enters
suspend mode)
lSystem Voltage Detect
lChassis Intrusion Detect(reserved)
lDisplay Actual Current Voltage
RTC
lNon-VolatileRTC.
KeyboardConnector
lPS/2® keyboard interface and PS/2® mouse interface.
CHAPTER 1 INTRODUCTION
1-4
Dimension
lATXFormFactor: 30cm(L)x23cm(W)x4layersPCB.
lDouble deck I/O connectors, compatible with Intel®Venus Mainboard.
Mounting
l9 mounting holes.
CHAPTER 1 INTRODUCTION
1.2 Mainboard Layout
1-5
MS-6112
DIMM 3
Top: mouse
Bottom:
keyboard
Top: Port1
USB
Bottom:
Port2
Top: LPT
Bottom:
COM A
COM B
DIMM 2
DIMM 1
ISA SLOT
ISA SLOT
PCI SLOT 3
PCI SLOT 2
PCI SLOT 1
SLOT 1
ISA SLOT
FDC
BATT
+
IDE2
IDE1
LM75
(optional)
LM78
(optional)
ATX
Power Supply
BIOS
FW82371AB
JFP1
J10
SW1
JSW2
JMODE1
SFAN1
JSW1
CFAN1
IR1
PSFAN1
1
J3
FW82443LX
Clock
Generator
Chassis
Intrusion
Sensor
(optional)
AGP
KBC
ISA SLOT
JGL1
JFAN
J9
JLG1
J4
JBAT1
CHAPTER 2 HARDWARE INSTALLATION
Chapter 2
HARDWARE INSTALLATION
2.1 Central Processing Unit: CPU
The mainboard operates withIntel®Pentium®IIprocessor. 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.
2-1
CHAPTER 2 HARDWARE INSTALLATION
2.1-1 CPU Installation Procedures
2-2
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) - PlasticGuide thatholds the 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 ).
*HeatSinkSupport 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
*HeatSinkSupport Pin (HSSPIN) - Plastic pins inserted through the
HSSBASE to secure it to the mainboard (2
required per Assembly).
*Heat SinkSupport Top Bar(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 metalclip.
Note:* Provided by MSI mainboard.
** Provided by Special request.
RM
HSSPIN
HSSTOP
HSSBASE
2-3
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
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
2-5
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