SIEMENS NIXDORF
===============

   SYSTEM BOARD D992 (DUAL)

   Device Type      Mainboard                                     
   Processor        Pentium II                                    
   Processor Speed  266/300/333MHz                                
   Chip Set         Intel 440FX                                   
   Video Chip Set   Cirrus Logic                                  
   Maximum Onboard  512MB                                         
   Memory           
   Maximum Video    2MB                                           
   Memory           
   Cache            256/512KB (located on Pentium II CPU)         
   BIOS             Unidentified                                  
   Dimensions       305mm x 244mm                                 
   I/O Options      32-bit PCI slots (6), floppy drive interface, 
                    IDE interface, Wide Ultra SCSI interface,     
                    parallel port, PS/2 mouse port, serial ports  
                    (2), VGA port, VRM connectors (2), wake on    
                    modem connector                               

<gopher://bitreich.org/I/th99/m/S-T/35737-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose            | Location | Purpose         | Location |
   |--------------------+----------+-----------------+----------|
   | ATX power          |   ATX    | Front panel     |   C12    |
   | connector          |          | connector       |          |
   |--------------------+----------+-----------------+----------|
   | SMM connector      |    C1    | PS/2 mouse port |   CN1    |
   |--------------------+----------+-----------------+----------|
   | Chassis fan power  |    C2    | Serial port 2   |   CN2    |
   |--------------------+----------+-----------------+----------|
   | Chassis fan power  |    C3    | Serial port 1   |   CN3    |
   |--------------------+----------+-----------------+----------|
   | Speaker            |    C4    | Parallel port   |   CN4    |
   |--------------------+----------+-----------------+----------|
   | Control panel      |    C5    | VGA port        |   CN5    |
   | connector          |          |                 |          |
   |--------------------+----------+-----------------+----------|
   | Temperature sensor |    C6    | Floppy drive    |   CN6    |
   | 1                  |          | interface       |          |
   |--------------------+----------+-----------------+----------|
   | SCSI interface LED |    C7    | Ultra Wide SCSI |   CN7    |
   |                    |          | interface       |          |
   |--------------------+----------+-----------------+----------|
   | Temperature sensor |    C8    | IDE interface   |   CN8    |
   | 2                  |          |                 |          |
   |--------------------+----------+-----------------+----------|
   | Wake on modem      |    C9    | 32-bit PCI      |  PC1 -   |
   | connector          |          | slots           |   PC6    |
   |--------------------+----------+-----------------+----------|
   | Can bus control    |   C10    | VRM connector   |   VRM1   |
   | connector 1        |          |                 |          |
   |--------------------+----------+-----------------+----------|
   | Can bus control    |   C11    | VRM connector   |   VRM2   |
   | connector 2        |          |                 |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |>> | Flash BIOS normal operation         | SW1/1 |   Off    |
   |---+-------------------------------------+-------+----------|
   |   | Flash BIOS recovery mode            | SW1/1 |    On    |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | SW1/2 |   Off    |
   |---+-------------------------------------+-------+----------|
   |>> | Flash BIOS write protect disabled   | SW1/3 |   Off    |
   |---+-------------------------------------+-------+----------|
   |   | Flash BIOS write protect enabled    | 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   |
   |-------+-------------+------------+------------+------------|
   | 64MB  | (1) 2M x 64 |  (1) 2M x  |  (1) 2M x  |  (1) 2M x  |
   |       |             |     64     |     64     |     64     |
   |-------+-------------+------------+------------+------------|
   | 64MB  | (1) 8M x 64 |    None    |    None    |    None    |
   |-------+-------------+------------+------------+------------|
   | 64MB  | (1) 4M x 64 |  (1) 4M x  |    None    |    None    |
   |       |             |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 72MB  | (1) 8M x 64 |  (1) 1M x  |    None    |    None    |
   |       |             |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 80MB  | (1) 8M x 64 |  (1) 2M x  |    None    |    None    |
   |       |             |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 96MB  | (1) 8M x 64 |  (1) 4M x  |    None    |    None    |
   |       |             |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 96MB  | (1) 4M x 64 |  (1) 4M x  |  (1) 4M x  |    None    |
   |       |             |     64     |     64     |            |
   |-------+-------------+------------+------------+------------|
   | 128MB |  (1) 16M x  |    None    |    None    |    None    |
   |       |     64      |            |            |            |
   |-------+-------------+------------+------------+------------|
   | 128MB | (1) 8M x 64 |  (1) 8M x  |    None    |    None    |
   |       |             |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 128MB | (1) 4M x 64 |  (1) 4M x  |  (1) 4M x  |  (1) 4M x  |
   |       |             |     64     |     64     |     64     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DIMM CONFIGURATION (CON'T)                 |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
   |-------+-------------+------------+------------+------------|
   | 136MB |  (1) 16M x  |  (1) 1M x  |    None    |    None    |
   |       |     64      |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 144MB |  (1) 16M x  |  (1) 2M x  |    None    |    None    |
   |       |     64      |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 152MB |  (1) 16M x  |  (1) 1M x  |  (1) 1M x  |  (1) 1M x  |
   |       |     64      |     64     |     64     |     64     |
   |-------+-------------+------------+------------+------------|
   | 160MB |  (1) 16M x  |  (1) 4M x  |    None    |    None    |
   |       |     64      |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 176MB |  (1) 16M x  |  (1) 2M x  |  (1) 2M x  |  (1) 2M x  |
   |       |     64      |     64     |     64     |     64     |
   |-------+-------------+------------+------------+------------|
   | 192MB |  (1) 16M x  |  (1) 8M x  |    None    |    None    |
   |       |     64      |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 192MB | (1) 8M x 64 |  (1) 8M x  |  (1) 8M x  |    None    |
   |       |             |     64     |     64     |            |
   |-------+-------------+------------+------------+------------|
   | 224MB |  (1) 16M x  |  (1) 4M x  |  (1) 4M x  |  (1) 4M x  |
   |       |     64      |     64     |     64     |     64     |
   |-------+-------------+------------+------------+------------|
   | 256MB |  (1) 16M x  | (1) 16M x  |    None    |    None    |
   |       |     64      |     64     |            |            |
   |-------+-------------+------------+------------+------------|
   | 256MB | (1) 8M x 64 |  (1) 8M x  |  (1) 8M x  |  (1) 8M x  |
   |       |             |     64     |     64     |     64     |
   |-------+-------------+------------+------------+------------|
   | 272MB |  (1) 16M x  | (1) 16M x  |  (1) 1M x  |  (1) 1M x  |
   |       |     64      |     64     |     64     |     64     |
   |-------+-------------+------------+------------+------------|
   | 288MB |  (1) 16M x  | (1) 16M x  |  (1) 2M x  |  (1) 2M x  |
   |       |     64      |     64     |     64     |     64     |
   |-------+-------------+------------+------------+------------|
   | 320MB |  (1) 16M x  | (1) 16M x  |  (1) 4M x  |  (1) 4M x  |
   |       |     64      |     64     |     64     |     64     |
   |-------+-------------+------------+------------+------------|
   | 320MB |  (1) 16M x  |  (1) 8M x  |  (1) 8M x  |  (1) 8M x  |
   |       |     64      |     64     |     64     |     64     |
   |-------+-------------+------------+------------+------------|
   | 384MB |  (1) 16M x  | (1) 16M x  | (1) 16M x  |    None    |
   |       |     64      |     64     |     64     |            |
   |-------+-------------+------------+------------+------------|
   | 448MB |  (1) 32M x  |  (1) 8M x  |  (1) 8M x  |  (1) 8M x  |
   |       |     64      |     64     |     64     |     64     |
   |-------+-------------+------------+------------+------------|
   | 512MB |  (1) 16M x  | (1) 16M x  | (1) 16M x  | (1) 16M x  |
   |       |     64      |     64     |     64     |     64     |
   +------------------------------------------------------------+

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

   +------------------------------------------------------------+
   |                 VIDEO MEMORY CONFIGURATION                 |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       1MB        |   (2) 256K x 16    |        None        |
   |------------------+--------------------+--------------------|
   |       2MB        |   (2) 256K x 16    |   (2) 256K x 16    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |CPU speed|Clock speed|Multiplier|SW1/5 |SW1/6 |SW1/7 |SW1/8 |
   |---------+-----------+----------+------+------+------+------|
   | 266MHz  |   66MHz   |    4x    |  On  |  On  |  On  | Off  |
   |---------+-----------+----------+------+------+------+------|
   | 300MHz  |   66MHz   |   4.5x   |  On  | Off  |  On  | Off  |
   |---------+-----------+----------+------+------+------+------|
   | 333MHz  |   66MHz   |    5x    |  On  |  On  | Off  | Off  |
   +------------------------------------------------------------+