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

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2.2 Clear CMOS Jumper: JBA2.2 Clear CMOS Jumper: JBA
2.2 Clear CMOS Jumper: JBA2.2 Clear CMOS Jumper: JBA
2.2 Clear CMOS Jumper: JBAT1T1
T1T1
T1
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
13

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2.3 Memory Installation2.3 Memory Installation
2.3 Memory Installation2.3 Memory Installation
2.3 Memory Installation
2.3-1 Memory Bank Configuration
Themainboard supports a maximum memory sizeof384MB (8M x 8) or
768MB(16Mx4)registeredDIMMfor SDRAM: It providesthree168-pin
unbuffered DIMMs (Double In-Line Memory Module) sockets. It supports
8 MB to 256 Mbytes DIMM memory module.
DIMM1(Bank0+Bank1)
DIMM2(Bank2+Bank3)
DIMM3(Bank4+Bank5)
There are two kinds of DIMM specification supported
by this mainboard: PC100 and PC66. If you use
66MHz CPU Bus Frequency, these two DIMM Specs. is
supported. If you use 100 MHz CPU Bus Frequency,
only PC100 DIMM Specs. is supported.
!
WARNING!

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A. HowtoinstallaDIMMModule
1. The DIMM slot has 2 Notch Keys “VOLT and DRAM”, so the
DIMM memory module can only fit in one direction.
2. Insert the DIMM memory module vertically into the DIMM slot.
Then push it in.
3. The plastic clip at the side of the DIMM slot will automatically
close.
Single Sided DIMM
Double Sided DIMM
VOLTDRAM
2.3-2 Memory Installation Procedures

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1. Supports only SDRAM DIMM.
2. To operate properly, at least one 168-pin DIMM module must be in-
stalled.
3. This mainboard supports Table Free memory, so memory can be installed
on DIMM1, DIMM 2, or DIMM 3 in any order.
4. Supports 3.3 volt DIMM.
5. The DRAM addressing and the size supported by the mainboard is
shown below:
2.3-3 Memory Population Rules
16M 1Mx16 ASYM 11 8 8MBx4 16MBx8
2Mx8 ASYM 11 9 16MBx8 32MBx16
4Mx4 ASYM 11 10 32MB 64MB
64M 2Mx32 ASYM 11 9 32MBx2 64MBx4
2Mx32 ASYM 12 8 16MBx2 32MBx4
4Mx16 ASYM 11 10 32MB 64MB
4Mx16 ASYM 13 8 32MB 64MB
8Mx8 ASYM 13 9 64MB 128MB
16Mx4 ASYM 13 10 128MB 256MB
64M 2Mx32 ASYM 12 8 16MB 32MB
4Mx16 ASYM 13 8 32MB 64MB
8Mx8 ASYM 13 9 64MB 128MB
16Mx4 ASYM 13 10 128MB 256MB
DRAM
Tech.
DRAM
Density &
Width
DRAM
Addressing Address Size MB/DIMM
Row Column Single
Side(S) Double
Side(D)
no.
pcs. no. pcs.
Table 2.3-1 SDRAM Memory Addressing

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2.4 Case Connector: JFP
ThePowerSwitch,ResetSwitch, Power LED, Speaker,Keylock and HDD
LED are all connected to the JFP connector block.
JFP
Power
Switch
Power LED
+
Reset
Switch
HDD
LED
+
Speaker
Buzzer
(short
pin)
14
15
Keylock
Dual
Color
LED
Single
Color
LED

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2.4-1 Power Switch
Connect to a 2-pin push button switch. This switch has the same feature
withJRMS1.
2.4-2 Reset Switch
Reset switch is used to reboot the system rather than turning the power ON/
OFF. Avoid rebooting while the HDD LED is lit. You can connect the Reset
switch from the system case to this pin.
2.4-3 Power LED
The Power LED is lit while the system power is on. Connect the Power LED
from the system case to this pin. There are two types of LED that you can
use:3-pinsinglecolorLEDor2-pindualcolorLED(ACPIrequest).
a. 3 pin single color LED connect to pin 4, 5, & 6. This LED will lit
when the system is on.
b. 2 pin dual color LED connect to pin 5 & 6.
GREENColor: Indicate the system is in full on mode.
ORANGEColor: Indicate the system is in suspend mode.
2.4-4 Speaker
Speaker from the system case is connected to this pin.
Ifon-boardBuzzerisavailable:
Shortpin 14-15: On-board Buzzer Enabled.
Openpin 14-15: On-board Buzzer Disabled.
2.4-5 HDD LED
HDD LED shows the activity of a hard disk drive. Avoid turning the power
off while the HDD led is lit. You can connect the HDD LED from the system
case to this pin.
2.4-6 Keylock
Keylock allows you to disable the keyboard for security purposes. You can
connect the keylock to this pin.

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2.5 Floppy Disk Connector: FDD
The mainboard also provides a standard floppy disk connector (FDD) that
supports 360K, 720K, 1.2M, 1.44M and 2.88M floppy disk types. This
connector supports the provided floppy drive ribbon cables.
FDD
1

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2.6 Hard Disk Connectors: IDE1 & IDE2
The mainboard has a 32-bit Enhanced PCI IDE Controller that provides PIO
mode 0~4, Bus Master, and Ultra DMA/33 function. It has two HDD
connectors IDE1 (primary) and IDE2 (secondary). You can connect up to
four hard disk drives, CD-ROM, 120MB Floppy (reserved for future BIOS)
and other devices to IDE1 and IDE2. These connectors support the
provided IDE hard disk cable.
IDE1(PrimaryIDEConnector)
The first hard drive should always be connected to IDE1. IDE1 can
connect a Master and a Slave drive. You must configure second hard
drive to Slave mode by setting the jumper accordingly.
IDE2(SecondaryIDE Connector)
IDE2 can also connect a Master and a Slave drive.
Primary IDE Connector
Secondary IDE Connector
11

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2.7 Power Supply2.7 Power Supply
2.7 Power Supply2.7 Power Supply
2.7 Power Supply
2.7-1 ATX 20-pin Power Connector: JWR1
This connector supports the power button on-board. Using the ATX power
supply, functions such as Modem Ring Wake-Up and Soft Power Off are
supported by this mainboard. This power connector supports instant power
on function which means that system will boot up instantly when the power
connector is inserted on the board.
ATX
Power Connector
20 11
10 1

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PIN SIGNAL
11 3.3V
12 -12V
13 GND
14 PS_ON
15 GND
16 GND
17 GND
18 -5V
19 5V
20 5V
PIN SIGNAL
1 3.3V
2 3.3V
3 GND
45V
5 GND
65V
7 GND
8 PW_OK
9 5V_SB
10 12V
PINDEFINITION
Warning: Since the mainboard has the instant power on function, make
sure that all components are installed properly before inserting the power
connector to ensure that no damage will be done.