SIEMENS-NIXDORF INFORMATIONSSYSTEME AG
======================================

   SYSTEM BOARD D990

   Device Type      Mainboard                                     
   Processor        Pentium                                       
   Processor Speed  90/100/120/133/150/166/200MHz                 
   Chip Set         Unidentified                                  
   Video Chip Set   Matrox                                        
   Maximum Onboard  256MB (EDO & SDRAM supported)                 
   Memory           
   Maximum Video    4MB (SGRAM supported)                         
   Memory           
   Cache            128/256/512KB                                 
   BIOS             Unidentified                                  
   Dimensions       305mm x 244mm                                 
   I/O Options      32-bit PCI slots (4), floppy drive interface, 
                    game/MIDI port, IDE interfaces (2), parallel  
                    port, PS/2 mouse port, serial port, VGA       
                    feature connector, VGA port, cache slot, IR   
                    connector, USB connector, ATX power           
                    connector, audio in - CD-ROM                  
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/S-T/34784-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | ATX power         |   ATX    | Front panel      |   C15    |
   | connector         |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | Voice modem       |    C1    | Game/MIDI port   |   CN1    |
   | connector         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Auxiliary in      |    C2    | VGA port         |   CN2    |
   |-------------------+----------+------------------+----------|
   | Audio in - CD-ROM |    C3    | Parallel port    |   CN3    |
   |-------------------+----------+------------------+----------|
   | Chip card reader  |    C4    | Serial port 1    |   CN4    |
   |-------------------+----------+------------------+----------|
   | IR connector      |    C5    | USB connector    |   CN5    |
   |-------------------+----------+------------------+----------|
   | Reset switch      |    C6    | PS/2 mouse port  |   CN6    |
   |-------------------+----------+------------------+----------|
   | SCSI interface    |    C7    | VGA feature      |   CN7    |
   | LED               |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | Soft off power    |    C8    | IDE interface 1  |   CN8    |
   | supply            |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Chassis fan power |    C9    | IDE interface 2  |   CN9    |
   |-------------------+----------+------------------+----------|
   | Speaker           |   C10    | Floppy drive     |   CN10   |
   |                   |          | interface        |          |
   |-------------------+----------+------------------+----------|
   | I2C connector     |   C11    | 32-bit PCI slots |  PC1 -   |
   |                   |          |                  |   PC4    |
   |-------------------+----------+------------------+----------|
   | Wake on modem     |   C13    | Cache slot       |   SL1    |
   | connector         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Power on          |   C14    |                  |          |
   | connector         |          |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  C12  | Unidentified |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Flash BIOS normal operation     | SW1/5 |     Off      |
   |---+---------------------------------+-------+--------------|
   |   | Flash BIOS recovery mode        | SW1/5 |      On      |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     | SW1/6 |     Off      |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     | SW1/7 | Unidentified |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Floppy drive write protect      | SW1/8 |     Off      |
   |   | disabled                        |       |              |
   |---+---------------------------------+-------+--------------|
   |   | Floppy drive write protect      | SW1/8 |      On      |
   |   | enabled                         |       |              |
   +------------------------------------------------------------+

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

   +------------------------------------------------------------+
   |                 DIMM CONFIGURATION (CON'T)                 |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       64MB       |    (1) 4M x 64     |    (1) 4M x 64     |
   |------------------+--------------------+--------------------|
   |       72MB       |    (1) 8M x 64     |    (1) 1M x 64     |
   |------------------+--------------------+--------------------|
   |       80MB       |    (1) 8M x 64     |    (1) 2M x 64     |
   |------------------+--------------------+--------------------|
   |       96MB       |    (1) 8M x 64     |    (1) 4M x 64     |
   |------------------+--------------------+--------------------|
   |      128MB       |    (1) 16M x 64    |        None        |
   |------------------+--------------------+--------------------|
   |      128MB       |    (1) 8M x 64     |    (1) 8M x 64     |
   |------------------+--------------------+--------------------|
   |      136MB       |    (1) 16M x 64    |    (1) 1M x 64     |
   |------------------+--------------------+--------------------|
   |      144MB       |    (1) 16M x 64    |    (1) 2M x 64     |
   |------------------+--------------------+--------------------|
   |      160MB       |    (1) 16M x 64    |    (1) 4M x 64     |
   |------------------+--------------------+--------------------|
   |      192MB       |    (1) 16M x 64    |    (1) 8M x 64     |
   |------------------+--------------------+--------------------|
   |      256MB       |    (1) 16M x 64    |    (1) 16M x 64    |
   |------------------------------------------------------------|
   |      Note: Board accepts EDO & SDRAM memory.               |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |            Size            |              SL1              |
   |----------------------------+-------------------------------|
   |           128KB            |    128KB module installed     |
   |----------------------------+-------------------------------|
   |           256KB            |    256KB module installed     |
   |----------------------------+-------------------------------|
   |           512KB            |    512KB module installed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO MEMORY CONFIGURATION                 |
   |------------------------------------------------------------|
   |      Size       |      Bank 0       |          V1          |
   |-----------------+-------------------+----------------------|
   |       2MB       |        2MB        |         None         |
   |-----------------+-------------------+----------------------|
   |       4MB       |        2MB        | 2MB module installed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
   |---------+-----------+----------+------+------+------+------|
   |  90MHz  |   60MHz   |   1.5x   | Off  |  On  | Off  | Off  |
   |---------+-----------+----------+------+------+------+------|
   | 100MHz  |   66MHz   |   1.5x   |  On  | Off  | Off  | Off  |
   |---------+-----------+----------+------+------+------+------|
   | 120MHz  |   60MHz   |    2x    | Off  |  On  |  On  | Off  |
   |---------+-----------+----------+------+------+------+------|
   | 133MHz  |   66MHz   |    2x    |  On  | Off  |  On  | Off  |
   |---------+-----------+----------+------+------+------+------|
   | 150MHz  |   60MHz   |   2.5x   | Off  |  On  |  On  |  On  |
   |---------+-----------+----------+------+------+------+------|
   | 166MHz  |   66MHz   |   2.5x   |  On  | Off  |  On  |  On  |
   |---------+-----------+----------+------+------+------+------|
   | 200MHz  |   66MHz   |    3x    |  On  | Off  | Off  |  On  |
   +------------------------------------------------------------+