MSI ATX BX10 User manual

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The ATX BX10 mainboard is a high-performance personal computer
mainboard based on the Intel®Socket 370 processor. The Intel®Socket 370
processor supports MMXTM (Multimedia Extension) technology.
The mainboard uses the highly integrated Intel®82443BX AGP chipset to
support the PCI/ISA and Green standards, and to provide the Host/AGP
bridge. The Intel®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
of33MB/s.
The mainboard also supports the System Hardware Monitor Controller. Its
functions include: CPU /power supply/chassis fan revolution detect, CPU/
system voltage monitor, system temperature monitor, chassis intrusion
detect and TOP TECH II as an optional function.
Chapter 1
INTRODUCTION

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1.1 Mainboard Features
CPU
lSocket 370 for Intel®CeleronTM processor
lSupports300MHz,333MHz,366MHz,400MHz,433MHz,466MHzand
faster.
Chipset
lIntel®82443BX/PIIX4Echipset.
FSB(FrontSide Bus)
l66.6MHz, 100MHz and faster clocks are supported.
MainMemory
lSupports six memory banks using three 168-pin unbuffered DIMM.
lSupportsa maximummemorysize of384MB (8M x8) or 768MB(16M x4)
registered DIMM only.
lSupportsECC(1-bitErrorCodeCorrect)function.
lSupports 3.3v SDRAM DIMM.
Slots
lOne AGP slot.
- AGP specification compliant
- AGP66/133MHz3.3vdevicesupport
lFive 32-bit Master PCI Bus slots and two 16-bit ISA Bus slots (wherein
one PCI/ISA slot is shared).
*See Chapter 2-26 for further details on PCI slots.
lSupports 3.3v/5v PCI bus Interface.
On-BoardIDE
lAn IDE controller on the Intel®PIIX4E PCI Chipset provides IDE HDD/
CD-ROM with PIO, Bus Master and Ultra DMA/33 operation modes.
lCan connect up to four IDE devices.

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On-BoardPeripherals
lOn-BoardPeripheralsinclude:
-1floppyportsupports2FDDwith360K,720K,1.2M,1.44Mand
2.88Mbytes.
-2serialport(COMA)+ (COMB)
- 1 parallel port supports SPP/EPP/ECP mode
- 2 USB ports
- 1 IrDA connector for SIR.
- 1 Audio port ( Line_Out, Line_In, and Mic_In Jack) and 1 MIDI/
GamePort
Audio (Optional)
lCreative®ES1373AudioController
- 64 Voice wavetable synthesizer
-DOSGameCompatibility
-AC3Capable
-AC97’Compliant
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.
lACPI(Advanced Configuration and Power Interface) feature.
Dimension
lATXFormFactor: 30cm(L) x19.2cm(W) x4layers PCB
Mounting
l6 mounting holes.

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SystemHardwareMonitor
lCPU/Power Supply/Chassis Fan Revolution Detect
lCPU Fan Control detects the CPU temperature, then determine the FAN
SPEED,whichutilizesPCAlert program (the fan will automatically stop
when the system enters suspend mode)
lSystem Voltage Detect
lAdded 5VSB and Battery Voltage Detect
lCPU Overheat Warning.
lDisplay Actual Current Voltage
lChassis Intrusion
OtherFeatures
lKeyboard Password Wake-Up
lLAN Wake-Up
lInternal/External Modem Wake-Up
lSB_LinkReady

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1.2 Mainboard Layout
MS-6153 ATX BX10 Mainboard
PCI SLOT 3
PCI SLOT 2
PCI SLOT 1
ISA SLOT 2
ATX
Power Supply
FW82443BX
Socket 370
DIMM 2
Top: Mouse
Bottom:
Keyboard
Top:Port1
USB
DIMM 1
IDE2
Bottom:
Port2
IDE1
FDD
FW82371EB
JMDM1
JRMS1
JFP
JGS1
JBAT1
J6:MDM_IN
J5: AUX_IN
CPUFAN
PSFAN
IR
BATT
+
Top: LPT
Bottom:
COM1/
COM2
Top: Midi/
GamePort
Bottom:
Line-Out
Line-In
Mic
J4: CD_IN
JVBS1
System
Hardware
Monitor
AGP SLOT
DIMM 3
PCI SLOT 4
PCI SLOT 5
ISA SLOT 1
JWOL1
SYSFAN
WINBOND
W83977EF-
AW
J9
Creative
ES1373
(optional)
SW1
BIOS
SB_Link
JGL1
J2
JCASE

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CPU
CPU
Chapter 2
HARDWARE INSTALLATION
2.1 Central Processing Unit: CPU
The mainboard operates with Intel®CeleronTM 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.
2.1-1 CPU Installation Procedures
Pin1

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2.1-2 CPU Core Speed Derivation Procedure (SW1)
1. If the CPU Core/Bus ratio is already fixed, adjusting the SW1 will not
change the CPU Core/Bus ratio. If the Core/Bus ratio is not fixed by the
CPU, then you can adjust the SWI to change the Core/Bus ratio.
If CPUClock = 66MHz
Core/Bus ratio = 3.5
then CPU core speed = Host Clock x Core/Bus ratio
= 66MHzx3.5
= 233MHz
2
1
3
4
SW1

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1 2 3 4 Core/Bus Ratio
ON ON OFF ON 3
ON OFF OFF ON 3.5
ON ON ON OFF 4
ON OFF ON OFF 4.5
ON ON OFF OFF 5
ON OFF OFF OFF 5.5
OFF ON ON ON 6
OFF OFF ON ON 6.5
OFF ON OFF ON 7
OFF OFF OFF ON 7.5
OFF ON ON OFF 8
SW1 CPU
ON = Short OFF = Open

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2.1-3 CPU Bus Frequency Selector: J9
The J9 is used to set the CPU Bus Frequencies from 66MHz to 100MHz.
When J9 is shorted, this will automatically detect the CPU Bus Frequency.
When J9 is open, if you used 66MHz CPU, the Bus Frequency will set
virtuallyinto 100MHz.
J9
J9 Feature
Automatically detect 66MHz and
100MHz CPU Bus Frequency
Virtually set 66MHz CPU Bus
Frequency into 100MHz
NOTE: 1.Thisfeatureworkswith66MHzFSBonly.
2. If your CPU FSB supports 66MHz and you want to run it
on 100MHz FSB, the J9 should be open. The AGP Bus will be
set to run at 100MHz x 2/3=66MHz to make it stable.

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2.1-4 Fan Power Connectors: CPUFAN/PSFAN/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.
SENSOR
+12V
GND
PSFAN
SENSOR
+12V
GND
CPUFAN
PSFAN : Power Supply Fan
CPUFAN : Processor Fan
SYSFAN : System(Chassis) Fan
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 set the CPU FAN Speed by CPU
temperature.
SENSOR
+12V
GND
SYSFAN