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

   SYSTEM BOARD D983

   Processor        Pentium                                       
   Processor Speed  150/166/180/200MHz                            
   Chip Set         Unidentified                                  
   Video Chip Set   Cirrus Logic                                  
   Maximum Onboard  512MB (EDO supported)                         
   Memory           
   Maximum Video    2MB                                           
   Memory           
   Cache            256/512KB                                     
   BIOS             Phoenix                                       
   Dimensions       330mm x 218mm                                 
   I/O Options      Floppy drive interface, IDE interfaces (2),   
                    parallel port, PS/2 mouse port, serial ports  
                    (2), VGA feature connector, VGA port, riser   
                    slot, USB connectors (2), power on switch,    
                    chip card reader, voice modem/connector, CD   
                    line in connector, auxiliary in connector,    
                    soft off power supply connector,              
                    Game/MIDI/audio connector, fax/modem remote   
                    on connector                                  
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/S-T/33885-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | VGA port          |   CN1    | Floppy drive     |   CN13   |
   |                   |          | interface        |          |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN2    | IDE interface 2  |   CN14   |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |   CN3    | Front panel      |   CN15   |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |   CN4    | Speaker          |   CN16   |
   |-------------------+----------+------------------+----------|
   | Chip card reader  |   CN5    | Chassis fan      |   CN17   |
   |                   |          | power            |          |
   |-------------------+----------+------------------+----------|
   | PS/2 mouse port   |   CN6    | Chassis fan      |   CN18   |
   |                   |          | power            |          |
   |-------------------+----------+------------------+----------|
   | USB connectors    |   CN7    | SCSI LED         |   CN19   |
   |-------------------+----------+------------------+----------|
   | Voice             |   CN8    | VGA feature      |   CN20   |
   | modem/connector   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | CD line in        |   CN9    | Game/MIDI/audio  |   CN21   |
   | connector         |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | Auxiliary in      |   CN10   | Power on switch  |   CN22   |
   | connector         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Soft off power    |   CN11   | Fax/modem remote |   CN23   |
   | supply connector  |          | on connector     |          |
   |-------------------+----------+------------------+----------|
   | IDE interface 1   |   CN12   | Riser slot       |   SL1    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |>> | Flash BIOS write protect disabled   | SW1/1 |   Off    |
   |---+-------------------------------------+-------+----------|
   |   | Flash BIOS write protect enabled    | SW1/1 |    On    |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | SW1/2 |   Off    |
   |---+-------------------------------------+-------+----------|
   |>> | Flash BIOS normal operation         | SW1/3 |   Off    |
   |---+-------------------------------------+-------+----------|
   |   | Flash BIOS recovery mode            | SW1/3 |    On    |
   |---+-------------------------------------+-------+----------|
   |>> | Floppy drive write protect disabled | SW1/4 |   Off    |
   |---+-------------------------------------+-------+----------|
   |   | Floppy drive write protect enabled  | SW1/4 |    On    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
   |-------+-------------+------------+------------+------------|
   | 16MB  | (1) 2M x 64 |    None    |    None    |    None    |
   |-------+-------------+------------+------------+------------|
   | 32MB  | (1) 2M x 64 |  (1) 2M x  |    None    |    None    |
   |       |             |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 32MB  | (1) 4M x 64 |    None    |    None    |    None    |
   |-------+-------------+------------+------------+------------|
   | 48MB  | (1) 2M x 64 |  (1) 2M x  |  (1) 2M x  |    None    |
   |       |             |     64     |     64     |            |
   |-------+-------------+------------+------------+------------|
   | 64MB  | (1) 2M x 64 |  (1) 2M x  |  (1) 2M x  |  (1) 2M x  |
   |       |             |     64     |     64     |     64     |
   |-------+-------------+------------+------------+------------|
   | 64MB  | (1) 4M x 64 |  (1) 4M x  |    None    |    None    |
   |       |             |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 64MB  | (1) 8M x 64 |    None    |    None    |    None    |
   |-------+-------------+------------+------------+------------|
   | 96MB  | (1) 4M x 64 |  (1) 4M x  |  (1) 4M x  |    None    |
   |       |             |     64     |     64     |            |
   |-------+-------------+------------+------------+------------|
   | 128MB | (1) 4M x 64 |  (1) 4M x  |  (1) 4M x  |  (1) 4M x  |
   |       |             |     64     |     64     |     64     |
   |-------+-------------+------------+------------+------------|
   | 128MB | (1) 8M x 64 |  (1) 8M x  |    None    |    None    |
   |       |             |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 128MB |  (1) 16M x  |    None    |    None    |    None    |
   |       |     64      |            |            |            |
   |-------+-------------+------------+------------+------------|
   | 192MB | (1) 8M x 64 |  (1) 8M x  |  (1) 8M x  |    None    |
   |       |             |     64     |     64     |            |
   |-------+-------------+------------+------------+------------|
   | 256MB | (1) 8M x 64 |  (1) 8M x  |  (1) 8M x  |  (1) 8M x  |
   |       |             |     64     |     64     |     64     |
   |-------+-------------+------------+------------+------------|
   | 256MB |  (1) 16M x  | (1) 16M x  |    None    |    None    |
   |       |     64      |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 384MB |  (1) 16M x  | (1) 16M x  | (1) 16M x  |    None    |
   |       |     64      |     64     |     64     |            |
   |-------+-------------+------------+------------+------------|
   | 512MB |  (1) 16M x  | (1) 16M x  | (1) 16M x  | (1) 16M x  |
   |       |     64      |     64     |     64     |     64     |
   |------------------------------------------------------------|
   | Note: Board accepts EDO memory.                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Note: The location of the 256KB/512KB cache is             |
   | unidentified.                                              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO MEMORY CONFIGURATION                 |
   |------------------------------------------------------------|
   |      Size      |      Bank 0      |         Bank 1         |
   |----------------+------------------+------------------------|
   |      1MB       |       1MB        |          None          |
   |----------------+------------------+------------------------|
   |      2MB       |       1MB        |     (2) 256K x 16      |
   |------------------------------------------------------------|
   | Note: Bank 0 is factory installed and is not configurable. |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |CPU speed|Clock speed|Multiplier|SW1/5 |SW1/6 |SW1/7 |SW1/8 |
   |---------+-----------+----------+------+------+------+------|
   | 150MHz  |   60MHz   |   2.5x   | Off  |  On  |  On  | Off  |
   |---------+-----------+----------+------+------+------+------|
   | 166MHz  |   66MHz   |   2.5x   |  On  |  On  |  On  | Off  |
   |---------+-----------+----------+------+------+------+------|
   | 180MHz  |   60MHz   |    3x    | Off  |  On  | Off  |  On  |
   |---------+-----------+----------+------+------+------+------|
   | 200MHz  |   66MHz   |    3x    |  On  |  On  | Off  |  On  |
   +------------------------------------------------------------+