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

   SYSTEM BOARD D970

   Device Type      Mainboard                                     
   Processor        Pentium Pro                                   
   Processor Speed  166/200MHz                                    
   Chip Set         Intel 440FX                                   
   Video Chip Set   Cirrus Logic                                  
   Maximum Onboard  1GB                                           
   Memory           
   Maximum Video    2MB                                           
   Memory           
   Cache            256/512KB (located on Pentium Pro 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, ATX power connector            

<gopher://bitreich.org/I/th99/m/S-T/35846-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose            | Location | Purpose         | Location |
   |--------------------+----------+-----------------+----------|
   | ATX power          |   ATX    | Modem on        |   C15    |
   | connector          |          | connector       |          |
   |--------------------+----------+-----------------+----------|
   | Chassis fan power  |    C1    | CAN bus control |   C16    |
   |                    |          | 2               |          |
   |--------------------+----------+-----------------+----------|
   | Temperature sensor |    C2    | CAN bus control |   C17    |
   |                    |          | 1               |          |
   |--------------------+----------+-----------------+----------|
   | Aux voltage        |    C3    | PS/2 mouse port |   CN1    |
   | PRIMERGY 500/700   |          |                 |          |
   |--------------------+----------+-----------------+----------|
   | Power supply       |    C4    | Serial port 2   |   CN2    |
   | PRIMERGY 500/700   |          |                 |          |
   |--------------------+----------+-----------------+----------|
   | SCSI interface LED |    C5    | Serial port 1   |   CN3    |
   |--------------------+----------+-----------------+----------|
   | Chassis fan power  |    C6    | Parallel port   |   CN4    |
   |--------------------+----------+-----------------+----------|
   | Speaker            |    C7    | VGA port        |   CN5    |
   |--------------------+----------+-----------------+----------|
   | Front panel        |    C8    | Floppy drive    |   CN6    |
   | connector          |          | interface       |          |
   |--------------------+----------+-----------------+----------|
   | Front panel        |    C9    | Ultra Wide SCSI |   CN7    |
   | connector          |          | interface       |          |
   |--------------------+----------+-----------------+----------|
   | Soft off power     |   C10    | IDE interface   |   CN8    |
   | supply             |          |                 |          |
   |--------------------+----------+-----------------+----------|
   | Temperature sensor |   C11    | 32-bit PCI      |  PC1 -   |
   |                    |          | slots           |   PC6    |
   |--------------------+----------+-----------------+----------|
   | Chassis fan power  |   C12    | VRM connector   |   VRM1   |
   |--------------------+----------+-----------------+----------|
   | Temperature sensor |   C13    | VRM connector   |   VRM2   |
   |--------------------+----------+-----------------+----------|
   | Chassis fan power  |   C14    |                 |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |>> | BIOS normal operation               | SW1/1 |   Off    |
   |---+-------------------------------------+-------+----------|
   |   | BIOS recovery mode                  | SW1/1 |    On    |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | SW1/2 |   Off    |
   |---+-------------------------------------+-------+----------|
   |>> | BIOS write protect disabled         | SW1/3 |   Off    |
   |---+-------------------------------------+-------+----------|
   |   | 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  |
   |--------+-------------+-------------+-------------+---------|
   |  8MB   | (1) 1M x 64 |    None     |    None     |  None   |
   |--------+-------------+-------------+-------------+---------|
   |  16MB  | (1) 2M x 64 |    None     |    None     |  None   |
   |--------+-------------+-------------+-------------+---------|
   |  16MB  | (1) 1M x 64 | (1) 1M x 64 |    None     |  None   |
   |--------+-------------+-------------+-------------+---------|
   |  24MB  | (1) 2M x 64 | (1) 1M x 64 |    None     |  None   |
   |--------+-------------+-------------+-------------+---------|
   |  24MB  | (1) 1M x 64 | (1) 1M x 64 | (1) 1M x 64 |  None   |
   |--------+-------------+-------------+-------------+---------|
   |  32MB  | (1) 4M x 64 |    None     |    None     |  None   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DIMM CONFIGURATION (CON'T)                 |
   |------------------------------------------------------------|
   |  Size  |   Bank 0   |   Bank 1   |   Bank 2   |   Bank 3   |
   |--------+------------+------------+------------+------------|
   |  32MB  |  (1) 2M x  |  (1) 2M x  |    None    |    None    |
   |        |     64     |     64     |            |            |
   |--------+------------+------------+------------+------------|
   |  32MB  |  (1) 1M x  |  (1) 1M x  |  (1) 1M x  |  (1) 1M x  |
   |        |     64     |     64     |     64     |     64     |
   |--------+------------+------------+------------+------------|
   |  40MB  |  (1) 4M x  |  (1) 1M x  |    None    |    None    |
   |        |     64     |     64     |            |            |
   |--------+------------+------------+------------+------------|
   |  48MB  |  (1) 4M x  |  (1) 2M x  |    None    |    None    |
   |        |     64     |     64     |            |            |
   |--------+------------+------------+------------+------------|
   |  48MB  |  (1) 2M x  |  (1) 2M x  |  (1) 2M x  |    None    |
   |        |     64     |     64     |     64     |            |
   |--------+------------+------------+------------+------------|
   |  64MB  |  (1) 2M x  |  (1) 2M x  |  (1) 2M x  |  (1) 2M x  |
   |        |     64     |     64     |     64     |     64     |
   |--------+------------+------------+------------+------------|
   |  64MB  |  (1) 8M x  |    None    |    None    |    None    |
   |        |     64     |            |            |            |
   |--------+------------+------------+------------+------------|
   |  64MB  |  (1) 4M x  |  (1) 4M x  |    None    |    None    |
   |        |     64     |     64     |            |            |
   |--------+------------+------------+------------+------------|
   |  72MB  |  (1) 8M x  |  (1) 1M x  |    None    |    None    |
   |        |     64     |     64     |            |            |
   |--------+------------+------------+------------+------------|
   |  80MB  |  (1) 8M x  |  (1) 2M x  |    None    |    None    |
   |        |     64     |     64     |            |            |
   |--------+------------+------------+------------+------------|
   |  96MB  |  (1) 8M x  |  (1) 4M x  |    None    |    None    |
   |        |     64     |     64     |            |            |
   |--------+------------+------------+------------+------------|
   |  96MB  |  (1) 4M x  |  (1) 4M x  |  (1) 4M x  |    None    |
   |        |     64     |     64     |     64     |            |
   |--------+------------+------------+------------+------------|
   | 128MB  | (1) 16M x  |    None    |    None    |    None    |
   |        |     64     |            |            |            |
   |--------+------------+------------+------------+------------|
   | 128MB  |  (1) 8M x  |  (1) 8M x  |    None    |    None    |
   |        |     64     |     64     |            |            |
   |--------+------------+------------+------------+------------|
   | 128MB  |  (1) 4M x  |  (1) 4M x  |  (1) 4M x  |  (1) 4M x  |
   |        |     64     |     64     |     64     |     64     |
   |--------+------------+------------+------------+------------|
   | 136MB  | (1) 16M x  |  (1) 1M x  |    None    |    None    |
   |        |     64     |     64     |            |            |
   |--------+------------+------------+------------+------------|
   | 144MB  | (1) 16M x  |  (1) 2M 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  |  (1) 8M x  |  (1) 8M x  |    None    |
   |        |     64     |     64     |     64     |            |
   |--------+------------+------------+------------+------------|
   | 256MB  | (1) 32M x  |    None    |    None    |    None    |
   |        |     64     |            |            |            |
   |--------+------------+------------+------------+------------|
   | 256MB  | (1) 16M x  | (1) 16M x  |    None    |    None    |
   |        |     64     |     64     |            |            |
   |--------+------------+------------+------------+------------|
   | 256MB  |  (1) 8M x  |  (1) 8M x  |  (1) 8M x  |  (1) 8M x  |
   |        |     64     |     64     |     64     |     64     |
   |--------+------------+------------+------------+------------|
   | 272MB  | (1) 16M x  | (1) 16M x  |  (1) 1M x  |  (1) 1M x  |
   |        |     64     |     64     |     64     |     64     |
   |--------+------------+------------+------------+------------|
   | 280MB  | (1) 32M x  |  (1) 1M 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     |
   |--------+------------+------------+------------+------------|
   | 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) 32M x  | (1) 32M x  |    None    |    None    |
   |        |     64     |     64     |            |            |
   |--------+------------+------------+------------+------------|
   | 512MB  | (1) 16M x  | (1) 16M x  | (1) 16M x  | (1) 16M x  |
   |        |     64     |     64     |     64     |     64     |
   |--------+------------+------------+------------+------------|
   | 640MB  | (1) 32M x  | (1) 16M x  | (1) 16M x  | (1) 16M x  |
   |        |     64     |     64     |     64     |     64     |
   |--------+------------+------------+------------+------------|
   | 768MB  | (1) 32M x  | (1) 32M x  | (1) 32M x  |    None    |
   |        |     64     |     64     |     64     |            |
   |--------+------------+------------+------------+------------|
   | 1024MB | (1) 32M x  | (1) 32M x  | (1) 32M x  | (1) 32M x  |
   |        |     64     |     64     |     64     |     64     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Note: 256KB/512KB cache is located on the Pentium Pro 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 |
   |---------+-----------+----------+------+------+------+------|
   | 166MHz  |   66MHz   |   2.5x   | Off  | Off  |  On  |  On  |
   |---------+-----------+----------+------+------+------+------|
   | 200MHz  |   66MHz   |    3x    | Off  |  On  | Off  |  On  |
   +------------------------------------------------------------+