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

   S26361-D802-A

   Processor    80486SX/80486DX/ODP486SX/80486DX2/Pentium         
                Overdrive                                         
   Processor    25/33/50(internal)/66(internal)MHz                
   Speed        
   Chip Set     Unidentified                                      
   Max. Onboard 64MB                                              
   DRAM         
   Cache        128KB                                             
   BIOS         Unidentified                                      
   Dimensions   330mm x 218mm                                     
   I/O Options  32-bit VESA local bus slots (1), floppy drive     
                interface, IDE interface, parallel port, PS/2     
                mouse port, serial ports (2), VGA feature         
                connector, VGA port                               
   NPU Options  None                                              

<gopher://bitreich.org/I/th99/m/S-T/32460-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | VGA port         |   CN1    | IDE interface     |   CN7    |
   |------------------+----------+-------------------+----------|
   | Parallel port    |   CN2    | VGA feature       |   CN8    |
   |                  |          | connector         |          |
   |------------------+----------+-------------------+----------|
   | Serial port 2    |   CN3    | Speaker           |   JP1    |
   |------------------+----------+-------------------+----------|
   | Serial port 1    |   CN4    | LED connector     |   JP2    |
   |------------------+----------+-------------------+----------|
   | PS/2 mouse port  |   CN5    | 32-bit VESA local |   SL1    |
   |                  |          | bus slots         |          |
   |------------------+----------+-------------------+----------|
   | Floppy drive     |   CN6    |                   |          |
   | interface        |          |                   |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | IRQ9 select VGA controller only  |   J1   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | IRQ9 select other uses           |   J1   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | VGA interface enabled            |  J4A   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | VGA interface disabled           |  J4A   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | IDE interface enabled            |  J4B   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | IDE interface disabled           |  J4B   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Floppy drive interface enabled   |  J4C   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Floppy drive interface disabled  |  J4C   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  J4D   |   Closed   |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  J4E   |    Open    |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  J4F   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  J4F   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  J4H   |   Closed   |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Password enabled                 |  J4I   |    Open    |
   |---+----------------------------------+--------+------------|
   |   | Password disabled                |  J4I   |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | VGA feature connector interface  |   J5   | pins 1 & 2 |
   |   | enabled                          |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | VGA feature connector interface  |   J5   | pins 2 & 3 |
   |   | disabled                         |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
   |------+-------------+-------------+------------+------------|
   | 4MB  | (1) 1M x 36 |    NONE     |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 8MB  | (1) 1M x 36 | (1) 1M x 36 |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 16MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 1M x  |  (1) 1M x  |
   |      |             |             |     36     |     36     |
   |------+-------------+-------------+------------+------------|
   | 8MB  | (1) 2M x 36 |    NONE     |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 16MB | (1) 2M x 36 | (1) 2M x 36 |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 16MB | (1) 4M x 36 |    NONE     |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 24MB | (1) 2M x 36 | (1) 2M x 36 |  (1) 2M x  |    NONE    |
   |      |             |             |     36     |            |
   |------+-------------+-------------+------------+------------|
   | 32MB | (1) 2M x 36 | (1) 2M x 36 |  (1) 2M x  |  (1) 2M x  |
   |      |             |             |     36     |     36     |
   |------+-------------+-------------+------------+------------|
   | 32MB | (1) 4M x 36 | (1) 4M x 36 |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 48MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |    NONE    |
   |      |             |             |     36     |            |
   |------+-------------+-------------+------------+------------|
   | 64MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
   |      |             |             |     36     |     36     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |        TAG         |
   |------------------+--------------------+--------------------|
   |      128KB       |    (4) 32K x 8     |     (1) 8K x 8     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |             Type              |             J2             |
   |-------------------------------+----------------------------|
   |         Write through         |            Open            |
   |-------------------------------+----------------------------|
   |          Write back           |           Closed           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |             Type             |             J3              |
   |------------------------------+-----------------------------|
   |           80486SX            |      pins 1 & 2 closed      |
   |------------------------------+-----------------------------|
   |           80486DX            |      pins 2 & 3 closed      |
   |------------------------------+-----------------------------|
   |           80486DX2           |      pins 2 & 3 closed      |
   |------------------------------+-----------------------------|
   |      Pentium Overdrive       |      pins 2 & 3 closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |            Speed             |             J4G             |
   |------------------------------+-----------------------------|
   |            25MHz             |            Open             |
   |------------------------------+-----------------------------|
   |            33MHz             |           Closed            |
   |------------------------------+-----------------------------|
   |            50iMHz            |            Open             |
   |------------------------------+-----------------------------|
   |            66iMHz            |           Closed            |
   +------------------------------------------------------------+