MICRO-STAR INTERNATIONAL CO., LTD.
==================================

   MS-6123

   Device Type      Mainboard                                     
   Processor        Pentium II                                    
   Processor Speed  200/233/266/300/333MHz                        
   Chip Set         Intel 440EX                                   
   Audio Chip Set   Yamaha                                        
   Maximum Onboard  256MB (EDO & SDRAM supported)                 
   Memory           
   Cache            256/512KB (located on the Pentium II CPU)     
   BIOS             Unidentified                                  
   Dimensions       244mm x 190mm                                 
   I/O Options      32-bit PCI slots (2), floppy drive            
                    interfaceIDE interfaces (2), parallel port,   
                    PS/2 mouse port, serial ports (2), IR         
                    connector, USB connectors (2), ATX power      
                    connector, AGP slot                           

<gopher://bitreich.org/I/th99/m/M-O/35645-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose         | Location | Purpose         |  Location   |
   |-----------------+----------+-----------------+-------------|
   | AGP slot        |   AGP    | CPU fan power   |    JFAN1    |
   |-----------------+----------+-----------------+-------------|
   | ATX power       |   ATX    | IDE interface   | JFP1/pins 1 |
   | connector       |          | LED             |     & 8     |
   |-----------------+----------+-----------------+-------------|
   | CPU fan power   |  CFAN1   | Power LED       | JFP1/pins 2 |
   |                 |          |                 |     - 4     |
   |-----------------+----------+-----------------+-------------|
   | Serial port 2   |   CN1    | Power switch    | JFP1/pins 5 |
   |                 |          |                 |     & 6     |
   |-----------------+----------+-----------------+-------------|
   | Serial port 1   |   CN2    | Speaker         | JFP1/pins 9 |
   |                 |          |                 |    - 12     |
   |-----------------+----------+-----------------+-------------|
   | Parallel port   |   CN3    | Reset switch    |  JFP1/pins  |
   |                 |          |                 |   13 & 14   |
   |-----------------+----------+-----------------+-------------|
   | USB connector 1 |   CN4    | Suspend switch  |    JGS1     |
   |-----------------+----------+-----------------+-------------|
   | USB connector 2 |   CN5    | Green PC LED    |    JGL1     |
   |-----------------+----------+-----------------+-------------|
   | PS/2 mouse port |   CN6    | Wake on modem   |   JMODEM1   |
   |                 |          | connector       |             |
   |-----------------+----------+-----------------+-------------|
   | IDE interface 1 |   CN7    | Wake on LAN     |    JWOL1    |
   |                 |          | connector       |             |
   |-----------------+----------+-----------------+-------------|
   | IDE interface 2 |   CN8    | Soft power off  |    JSW1     |
   |                 |          | switch          |             |
   |-----------------+----------+-----------------+-------------|
   | Floppy drive    |   CN9    | 32-bit PCI      |  PC1 - PC2  |
   | interface       |          | slots           |             |
   |-----------------+----------+-----------------+-------------|
   | IR connector    |   IR1    | Chassis fan     |   PSFAN1    |
   |                 |          | power           |             |
   |-----------------+----------+-----------------+-------------|
   | SB link         |    J6    | Power supply    |    SFAN1    |
   | connector       |          | fan power       |             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function              | Label  |   Position    |
   |-----------------------------------+--------+---------------|
   |   | Flash BIOS voltage select 12v | JMODE1 |  Pins 1 & 2   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |   | Flash BIOS voltage select 5v  | JMODE1 |  Pins 2 & 3   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |>> | CMOS memory normal operation  | JBAT1  |  Pins 1 & 2   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |   | CMOS memory clear             | JBAT1  |  Pins 2 & 3   |
   |   |                               |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |>> | Boot up by switch             |  JP5   |    Closed     |
   |---+-------------------------------+--------+---------------|
   |   | Immediate boot up             |  JP5   |     Open      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
   |-------+-------------+------------+------------+------------|
   | 8 MB  | (1) 1M x 64 |    None    |    None    |    None    |
   |-------+-------------+------------+------------+------------|
   | 16 MB | (1) 1M x 64 |  (1) 1M x  |    None    |    None    |
   |       |             |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 16 MB | (1) 2M x 64 |    None    |    None    |    None    |
   |-------+-------------+------------+------------+------------|
   | 24 MB | (1) 1M x 64 |  (1) 1M x  |  (1) 1M x  |    None    |
   |       |             |     64     |     64     |            |
   |-------+-------------+------------+------------+------------|
   | 32 MB | (1) 1M x 64 |  (1) 1M x  |  (1) 1M x  |  (1) 1M x  |
   |       |             |     64     |     64     |     64     |
   |-------+-------------+------------+------------+------------|
   | 32 MB | (1) 2M x 64 |  (1) 2M x  |    None    |    None    |
   |       |             |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 32 MB | (1) 4M x 64 |    None    |    None    |    None    |
   |-------+-------------+------------+------------+------------|
   | 40 MB | (1) 2M x 64 |  (1) 2M x  |  (1) 1M x  |    None    |
   |       |             |     64     |     64     |            |
   |-------+-------------+------------+------------+------------|
   | 48 MB | (1) 2M x 64 |  (1) 2M x  |  (1) 2M x  |    None    |
   |       |             |     64     |     64     |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DIMM CONFIGURATION (CONT')                 |
   |------------------------------------------------------------|
   |  Size  |   Bank 0   |   Bank 1   |   Bank 2   |   Bank 3   |
   |--------+------------+------------+------------+------------|
   | 64 MB  |  (1) 2M x  |  (1) 2M x  |  (1) 2M x  |  (1) 2M x  |
   |        |     64     |     64     |     64     |     64     |
   |--------+------------+------------+------------+------------|
   | 64 MB  |  (1) 4M x  |  (1) 4M x  |    None    |    None    |
   |        |     64     |     64     |            |            |
   |--------+------------+------------+------------+------------|
   | 64 MB  |  (1) 8M x  |    None    |    None    |    None    |
   |        |     64     |            |            |            |
   |--------+------------+------------+------------+------------|
   | 80 MB  |  (1) 4M x  |  (1) 4M x  |  (1) 2M x  |    None    |
   |        |     64     |     64     |     64     |            |
   |--------+------------+------------+------------+------------|
   | 96 MB  |  (1) 4M x  |  (1) 4M x  |  (1) 4M x  |    None    |
   |        |     64     |     64     |     64     |            |
   |--------+------------+------------+------------+------------|
   | 128 MB |  (1) 4M x  |  (1) 4M x  |  (1) 4M x  |  (1) 4M x  |
   |        |     64     |     64     |     64     |     64     |
   |--------+------------+------------+------------+------------|
   | 128 MB |  (1) 8M x  |  (1) 8M x  |    None    |    None    |
   |        |     64     |     64     |            |            |
   |--------+------------+------------+------------+------------|
   | 130 MB |  (1) 8M x  |  (1) 8M x  |  (1) 4M x  |    None    |
   |        |     64     |     64     |     64     |            |
   |--------+------------+------------+------------+------------|
   | 192 MB |  (1) 8M x  |  (1) 8M x  |  (1) 8M x  |    None    |
   |        |     64     |     64     |     64     |            |
   |--------+------------+------------+------------+------------|
   | 256 MB |  (1) 8M x  |  (1) 8M x  |  (1) 8M x  |  (1) 8M x  |
   |        |     64     |     64     |     64     |     64     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Note: The 256/512KB cache is located on the Pentium II     |
   | CPU.                                                       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               CPU SPEED SELECTION (PENTIUM)                |
   |------------------------------------------------------------|
   |CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
   |---------+-----------+----------+------+------+------+------|
   | 200MHz  |   66MHz   |    3x    |  On  |  On  | Off  |  On  |
   |---------+-----------+----------+------+------+------+------|
   | 233MHz  |   66MHz   |   3.5x   |  On  | Off  | Off  |  On  |
   |---------+-----------+----------+------+------+------+------|
   | 266MHz  |   66MHz   |    4x    |  On  |  On  |  On  | Off  |
   |---------+-----------+----------+------+------+------+------|
   | 300MHz  |   66MHz   |   4.5x   |  On  | Off  |  On  | Off  |
   |---------+-----------+----------+------+------+------+------|
   | 333MHz  |   66MHz   |    5x    |  On  |  On  | Off  | Off  |
   +------------------------------------------------------------+