MS-6156

MICRO-STAR INTERNATIONAL COMPANY LTD. Specification & User’s Guide

MICRO-STAR MICRO-STAR INTERNATIONAL INTERNATIONAL COMPANY COMPANY LTD. LTD. Specification & User’s Guide

MS-6156 MICRO ATX BX10 Mainboard Specification & User’s Guide 1. Introduction The MSI MICRO ATX BX10 mainboard mainboard is a high-performance personal personal computer ® ® mainboard based on the Intel Pentium II processor. This mainboard combines leading edge AGP technology in graphics and Creative ® ES1371/ES1373(reserved) ES1371/ES1373(reserved) PCI technology ® ® in audio. The Intel Pentium II processor supports MMXTM (Multimedia Extension) technology. The mainboard uses the highly integrated Intel ® 82443BX AGP chipset to support the PCI/ISA and Green standards, 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 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. Its functions include: CPU /power supply/chassis supply/chassis fan revolution detect, detect, CPU/ system voltage monitor, system temperature monitor, and chassis intrusion detect(optional).

MS-6156 MICRO ATX BX10 Mainboard


2. Mainboard Specification Specification CPU l l

Slot 1 for Intel® Pentium® II/CeleronTM processor. Supports 233MHz, 266MHz, 300MHz, 333MHz, 350MHz, 400MHz, 450MHz, and faster.

Chipset l

Intel® 82443BX/PIIX4E chipset.

Clock Generator l

68/75/83/100/103/112/113MHz 68/75/83/100/103/112/113MHz clocks are supported.

Main Memory l l

l l

Supports four memory banks using two 168-pin unbuffered DIMM. Supports a maximum memory size of 256MB (8M x 8) or 512MB (16M x 4) registered DIMM only. Supports ECC(1-bit Error Code Correct) function. Supports 3.3v SDRAM DIMM.

Slots l

l l

One AGP (Accelerated Graphics Port) slot. - AGP specification compliant - AGP 66/133MHz 3.3v device support Three 32-bit Master PCI Bus slots and one 16-bit ISA bus slots. Supports 3.3v/5v PCI bus Interface.

On-Board IDE l

l

An IDE controller on the Intel ® PIIX4E PCI Chipset provides IDE HDD/CD-ROM with PIO, Bus Master and Ultra DMA/33 operation modes. Can connect up to four IDE devices.

On-Board Peripherals l

On-Board Peripherals include: - 1 floppy port supports 2 FDD with 360K, 720K, 1.2M, 1.44M and 2.88Mbytes. - 2 serial ports (COM A + COM B) - 1 parallel port supports SPP/EPP/ECP mode - 2 USB ports - 1 IrDA connector for SIR/FIR..



Sound l

Creative® ES1371/ES1373(reserved) - Running on PCI BUS. - 64 Voice and AC3 Capable (ES1373 only) - Support Direct Sound and Direct Sound 3D - AC97’ Compliant

BIOS The mainboard BIOS provides “Plug & Play” BIOS which detects the peripheral devices and expansion cards of the board automatically. l The mainboard provides a Desktop Management Interface(DMI) function which records your mainboard specifications. f eature. l ACPI(Advanced Configuration and Power Interface) feature. l

Dimension l

MICRO-ATX Form Factor : 24.4cm(L) x 19.2cm(W) 19.2cm(W) x 4 layers PCB

Mounting l

6 mounting holes.

System Hardware Monitor (optional) l l l l l

CPU/Power Supply/Chassis Fan Revolution Detect CPU Fan Control (the fan will automatically stop when the system enters suspend mode) System Voltage Detect CPU Overheat Warning. Display Actual Current Voltage

Other Features l l l

Keyboard Password Wake-Up (reserved) LAN Wake-Up Internal/External Modem Wake-Up



3. Mainboard Layout

PSFAN Top: mouse Bottom: keyboard

JVSB1 (Reserved)

CPUFAN

P o w e A r T S X u p p l y

USB Top: Port 1 Bottom: Port 2

JSOR1

Top: LPT

S L O T 1

Bottom: COM A VGA Port

B I O S

System Hardware Monitor (optional)

FW82443BX

D I M M 2

D I M M 1

IR

F D D JRMS1

J3

I D E 2

Top: Midi/ Game Port Bottom: Line-Out Line-In Mic

I D E 1

J6: MDM_IN

J5: AUX_IN 4

J8: CD_IN

SW1 1 BATT +

AGP SLOT PCI SLOT 1 Creative ES1371 JWOL1

PCI SLOT 2 JP1

JMDM1

FW82371EB

SYSFAN

JBAT1

PCI SLOT 3

JGS1 JGL1 JFP1

ISA SLOT 1




4. Backpanel Layout

Keyboard

Midi/Joystick

Parallel

Mouse

USB

COM A

COM B

L-OUT L-IN

4.1 Connectors 4.1-1 Mouse Connector

6

5 3

4 2

1

PS/2 Mouse (6-pin Female)

PIN 1 2 3 4 5 6

SIGNAL Mouse DATA NC GND VCC Mouse Clock NC

DESCRIPTION Mouse DATA No connection Ground +5V Mouse clock No connection

PS/2 Mouse Pin Definition


MIC


4.1-2 Keyboard Connector

6

5 3

4

1

2

PS/2 Keyboard (6-pin Female)

PIN 1 2 3 4 5 6

SIGNAL Keyboard DATA NC GND VCC Keyboard Clock NC

DESCRIPTION Keyboard DATA No connection Ground +5V Keyboard clock No connection

PS/2 Keyboard Pin Definition

4.1-3 USB Connectors 1 2 3 4

5 6 7 8

USB Ports

PIN 1 2 3 4 5 6 7 8

SIGNAL VCC -Data 0 GND +Data 0 VCC +Data 1 -Data 1 GND

DESCRIPTION +5V Negative Data Channel 0 Ground Positive Data Channel 0 +5V Positive Data Channel 1 Negative Data Channel 1 Ground

USB Port Description



4.1-4 Parallel Port Connector 13

1

25

14

LPT 25-Pin Male Connectors

PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

SIGNAL STROBE DATA0 DATA1 DATA2 DATA3 DATA4 DATA5 DATA6 DATA7 ACK# BUSY PE SELECT AUTO FEED# E ER RR# INIT# SLIN# GND GND GND GND GND GND GND GND

DESCRIPTION Strobe Data0 Data1 Data2 Data3 Data4 Data5 Data6 Data7 Acknowledge Busy Paper End Select Automatic Feed Error Initialize Printer Select In Ground Ground Ground Ground Ground Ground Ground Ground1



4.1-5 Serial Port Connectors 1 2 3 4 5

6 7 8 9 COM A / COMB 9-Pin male DIN connectors

PIN 1 2 3 4 5 6 7 8 9

SIGNAL DCD S IN SOUT DTR GND DSR RTS CTS RI

DESCRIPTION Data Carry Detect Serial In or Receive Data Serial Out or Transmit Data Data Terminal Ready) Ground Data Set Ready Request To Send Clear To Send Ring Indicate



4.1-6 Speaker

31 3 30 0 33 32 29 28

Standard Stereo Jack - Speaker Out

PIN 28 29 30 31 32 33

SIGNAL LINEOUTL GND GND GND GND LINEOUTR

DESCRIPTION Line Out - Left Analog Ground Analog Ground Analog Ground Analog Ground Line Out - Right

Speaker Jack

4.1-7 Line-In

25 2 24 4 27 26 23 22

Standard Stereo Jack - Line In

PIN 22 23 24 25 26 27

SIGNAL LINEINL GND GND GND GND LINEINR

DESCRIPTION Line In - Left Analog Ground Analog Ground Analog Ground Analog Ground Line In - Right

Line In Jack



4.1-8 Microphone

19 1 18 8 21 20 17 16

Standard Stereo Jack - Mic

P IN 16 17 18 19 20 21

SIGNAL MIC_IN GND GND GND NC MICP3

DESCRIPTION Microphone Input Analog Ground Analog Ground Analog Ground No Connection Microphone Power

Microphone Jack



5. Slot 1 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32 B33 B34 B35 B36 B37 B38 B39 B40 B41 B42 B43 B44 B45 B46 B47 B48 B49 B50 B51 B52 B53 B54 B55 B56 B57 B58 B59 B60 B61 B62 B63 B64 B65 B66 B67 B68 B69 B70 B71 B72 B73 B74 B75 B76 B77 B78 B79 B80 B81 B82 B83 B84 B85 B86 B87 B88 B89 B90 B91 B92 B93 B94 B95 B96 B97 B98 B99 B100 B101 B102 B103 B104 B105 B106 B107 B108 B109 B110 B111 B112 B113 B114 B115 B116 B117 B118 B119 B120 B121

A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 A33 A34 A35 A36 A37 A38 A39 A40 A41 A42 A43 A44 A45 A46 A47 A48 A49 A50 A51 A52 A53 A54 A55 A56 A57 A58 A59 A60 A61 A62 A63 A64 A65 A66 A67 A68 A69 A70 A71 A72 A73 A74 A75 A76 A77 A78 A79 A80 A81 A82 A83 A84 A85 A86 A87 A88 A89 A90 A91 A92 A93 A94 A95 A96 A97 A98 A99 A100 A101 A102 A103 A104 A105 A106 A107 A108 A109 A110 A111 A112 A113 A114 A115 A116 A117 A118 A119 A120 A121



Slot 1 Pin Definition P IN A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A 12 A13 A14 A 15 A16 A 17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 A33 A34 A35 A36 A37 A38 A39 A40 A41 A42 A43 A44 A45

SIGNAL VCC_VTT GND VCC_VTT IERR# A20M# GND FERR# IGNNE# TDI GND TDO PWRGOOD TESTHI1 GND THERMTRIP# RESERVED LINT[0]/INTR GND PICD[0] PREQ# BP#[3] GND BPM#[0] BINIT# DEP#[0] GND DEP#[1] DEP#[3] DEP#[5] GND DEP#[6] D#[61] D#[55] GND D#[60] D#[53] D#[57] GND D#[46] D#[49] D#[51] GND D#[42] D#[45] D#[39]

P IN A46 A47 A48 A49 A50 A51 A52 A53 A54 A55 A56 A57 A58 A59 A60 A61 A62 A63 A64 A65 A66 A67 A68 A69 A70 A71 A72 A73 A74 A75 A76 A77 A78 A79 A80 A81 A82 A83 A84 A85 A86 A87 A88 A89 A90

SIGNAL GND RESERVED D#[43] D#[37] GND D#[33] D#[36] D#[31] GND D#[30] D#[27] D#[24] GND D#[23] D#[21] D#[16] GND D#[13] D#[11] D#[10] GND D#[14] D#[9] D#[8] GND D#[5] D#[3] D#[1] GND BCLK BREQ0# BERR# GND A#[33] A#[34] A#[30] GND A#[31] A#[27] A#[22] GND A#[23] RESERVED A#[19] GND



P IN A91 A92 A93 A94 A95 A96 A97 A98 A99 A100 A101 A102 A103 A104 A105 A106 A107 A108 A109 A110 A111 A112 A113 A114 A115 A116 A117 A118 A119 A120 A121

SIGNAL A#[18] A#[16] A#[13] GND A#[14] A#[10] A#[5] GND A#[9] A#[4] BNR# GND BPRI# TRDY# DEFER# GND REQ#[2] REQ#[3] HITM# GND DBSY# RS#[1] RESERVED GND ADS# RESERVED AP#[0] GND VID[2] VID[1] VID[4]

P IN B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B 13 B 14 B15 B16 B 17 B18 B19 B20 B21 B22 B23 B24 B 25 B26 B27 B28 B 29 B30 B31 B32 B 33 B34 B35 B36 B 37 B38 B39 B40 B41 B42 B43 B44 B 45

SIGNAL EMI FLUSH# SMI# INIT# VCC_VTT STPCLK# TCK SLP# VCC_VTT T MS TRST# RESERVED VCC_CORE THRMDA(+) THRMDC(-) LINT[1]/NMI VCC_CORE PICCLK BP#[2] RESERVED 100/66# PICD[1] PRDY# BPM#[1] VCC_CORE DEP#[2] DEP#[4] DEP#[7] VCC_CORE D#[62} D#[58] D#[63] VCC_CORE D#[56] D#[50] D#[54} VCC_CORE D#[59] D#[48] D#[52] EMI D#[41] D#[47] D#[44] VCC_CORE



P IN B46 B47 B48 B 49 B50 B51 B52 B 53 B54 B55 B56 B 57 B58 B59 B60 B61 B62 B63 B64 B 65 B66 B67 B68 B 69 B70 B71 B72 B 73 B74 B75 B 76 B 77 B78 B79 B80 B81 B82 B83 B84 B 85 B86 B87 B88 B 89 B90

SIGNAL D#[36] D#[40] D#[34] VCC_CORE D#[38] D#[32] D#[28] VCC_CORE D#[29] D#[26] D#[25] VCC_CORE D#[22] D#[19] D#[18] EMI D#[20] D#[17] D#[15] VCC_CORE D#[12] D#[7] D#[6] VCC_CORE D#[4] D#[2] D#[0] VCC_CORE RESET# BREQ1# FRCERR# VCC_CORE A#[35] A#[32] A#[29] EMI A#[26] A#[24] A#[28] VCC_CORE A#[20] A#[21] A#[25] VCC_CORE A#[15]

P IN B91 B92 B 93 B94 B95 B96 B 97 B98 B99 B100 B101 B102 B103 B104 B105 B106 B107 B108 B109 B110 B111 B112 B113 B114 B115 B116 B117 B118 B119 B120 V121

SIGNAL A#[17] A#[11] VCC_CORE A#[12] A#[8] A#[7] VCC_CORE A#[3] A#[6] EMI SLOTOCC# REQ#[0] REQ#[1] REQ#[4] VCC_CORE LOCK DRDY# RS#[0] VCC_5 HIT# RS#[2] RESERVED VCC_3 RP# RSP# AP#[1] VCC_3 AERR# VID[3] VID[0] VCC_3



6. DIMM DRAM Addressing

DRAM Tech. 1 6M

6 4M

6 4M

DRAM Density & Width 1Mx16

DRAM Addressing

Row

ASYM

11

8

2Mx8

ASYM

11

9

Address Size Column

MB/DIMM Single no. Double no. Side(S) pcs. Side(D) pcs.

8MBx4

16MBx8

16MBx8 32MBx16

4Mx4

ASYM

11

10

32MB

64MB

2Mx32

ASYM

11

9

32 3 2MBx2

64MBx4

2Mx32

ASYM

12

8

16 1 6MBx2

32MBx4

4Mx16

ASYM

11

10

32MB

64MB

4Mx16

ASYM

13

8

32MB

64 6 4MB

8Mx8

ASYM

13

9

64MB

128MB

16Mx4

ASYM

13

10

128MB

256MB

2Mx32

ASYM

12

8

16MB

32MB

4Mx16

ASYM

13

8

32MB

64 6 4MB

8Mx8

ASYM

13

9

64MB

128MB

16Mx4

ASYM

13

10

128MB

256MB



7. CPU Fan Power Connector

GND +12V SENSOR

8. IrDA Infrared Module Connector

1

VCC FIRRX IRRX GND IRTX



Appendix A CPU Core Speed Derivation Procedure 1. The Jumper Switch SW1 (1, 2, 3, and 4) is used to set the Core/Bus (Fraction) ratio of the CPU. The actual core speed of the CPU is the Host Clock Frequency multiplied by the Core/Bus ratio. For example: If then

CPU Clock Core/Bus ratio CPU core speed

= = = = =

66MHz 3. 5 Host Clock x Core/Bus ratio 66MHz x 3.5 233MHz

SW1

CPU

1

2

3

4

Core/Bus Ratio

ON

OFF

ON

ON

2.5

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

Note:

The CPU Bus Frequency is set at 66MHz or 100MHz by CPU default.



Jumpers Clear CMOS Jumper: JBAT1 A battery must be used to retain the mainboard configuration in CMOS RAM. If you use the on-board battery, you must short 1-2 pins of this jumper to keep the CMOS data.

1

1

3

3

Keep Data

Note:

Clear Data

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.



Power On Mode Mode Jumper: Jumper: JP1 The mainboard supports two kinds of system boot up: the Boot-Up by switch and the Immediate Boot-Up. With the Boot-Up by Switch, the system will boot up only when the power power on switch is pressed. For Immediate Boot-Up, the system will boot up instantly when t he power connector is connected into the system.

JP1

Feature

Select Boot-Up by Switch

Select Immediate Boot-Up

Note:

Short JP1, JP1, when using Boot-Up by Switch feature. feature. Open JP1, JP1, to enable Immediate Boot-Up.



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

1

FDD

Hard Disk Connectors: IDE1 & IDE2 The mainboard has a 32-bit Enhanced PCI IDE Controller that provides PIO mode 0~4, Bus Master, and Ultr a DMA/33 function. It has two HDD connectors IDE1 (primary) and IDE2 (secondary). (secondary). You can connect up to four hard disk drives, CD-ROM, CD-ROM, 120MB Floppy (reserved for future BIOS) and other devices to IDE1 and IDE2. These connectors support the provided IDE hard disk cable. cable.

r o t c e n n o C E D I y r a d n o c e S

r o t c e n n o C E D I y r a m i r P 1

1

IDE1(Primary IDE1(Primary IDE Connector) The first hard drive should always 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(Secondary IDE2(Secondary IDE Connector) IDE2 can also connect a Master and a Sl ave drive.



Case Connector: JFP1 The Power Switch, Reset Switch, Key Lock, Power LED, Speaker and HDD LED are all connected to the JFP1 connector block. Reset Switch 15 Speaker

+

14

Power Switch Power LED

Buzzer (short pin)

+ HDD LED

Keylock

JFP1

Power Switch Connect to a 2-pin push button switch. This switch had the same feature with JRMS1. JRMS1.

Reset Switch Reset switch is used to reboot the system system rather than turning the power ON/OFF. Avoid rebooting while the HDD LED is lit. You can connect the Reset switch switch from the system case to this pin.

Power LED The Power LED is lit while the system power is on. You can connect the Power LED from the system case to this pin. When the system enters suspend mode, the power power LED will blink. (see Power Saving LED Connector: JGL1)

Speaker Speaker from the system case is connected to this pin. If on-board Buzzer is available: Shor Shortt pin pin 14-1 14-15: 5: On-b On-boa oard rd Buzz Buzzer er Enab Enable led. d. Open Open pin pin 1414-15 15:: On-b On-boa oard rd Buzz Buzzer er Disa Disabl bled ed..

HDD LED HDD LED shows the activity of a hard disk drive. Avoid turning the power off while while the HDD led is lit. You can connect the HDD LED from the system case to this pin.

Keylock Keylock allows you to disable the keyboard for security purposes. You can connect the keylock to this pin.

ATX 20-pin Power Connector: JWR1 This connector supports the power power button on-board. Using the ATX power supply, functions functions such as Modem Ring Wake-Up and Soft Power Off are supported by this mainboard.

10

20

ATX Power Connector 1

11

PIN 1 2 3 4 5 6 7 8 9 10

SIGNAL 3.3V 3.3V G ND 5V G ND 5V G ND PW_OK 5V_SB 12V

P IN 11 12 13 14 15 16 17 18 19 20


SIGNAL 3.3V -12V GND PS_ON GND GND GND -5V 5V 5V


Remote Power On/Off Switch: Switch: JRMS1 Connect to a 2-pin push button switch. Every time the switch is shorted by pushing it once, the power supply will change its status from OFF to ON. During ON stage, push once and the system goes to sleep mode: pushing it more than 4 seconds will change its status from ON to OFF. OFF. If you want to change the setup, you could go to the BIOS Power Management Setup. This is used for ATX type power supply.


MS-6156

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