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       # SIEMENS NIXDORF INFORMATIONSSYSTEME AG
       
          SYSTEM BOARD D823
       
          Processor        Pentium                                       
          Processor Speed  75/90/100/120/133/150/166/180/200MHz          
          Chip Set         Intel                                         
          Video Chip Set   None                                          
          Maximum Onboard  256MB                                         
          Memory           
          Maximum Video    None                                          
          Memory           
          Cache            256KB                                         
          BIOS             Unidentified                                  
          Dimensions       330mm x 218mm                                 
          I/O Options      32-bit PCI slots (3), floppy drive interface, 
                           green PC connector, IDE interfaces (2),       
                           parallel port, PS/2 mouse port, serial ports  
                           (2), soft off power switch, soft off power    
                           supply                                        
          NPU Options      None                                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | PS/2 mouse port   |   CN1    | 32-bit PCI slots |  PC1 -   |
          |                   |          |                  |   PC3    |
          |-------------------+----------+------------------+----------|
          | Serial port 2     |   CN2    | Front panel      |   X805   |
          |                   |          | connector        |          |
          |-------------------+----------+------------------+----------|
          | Serial port 1     |   CN3    | Chassis fan      |   X806   |
          |                   |          | power            |          |
          |-------------------+----------+------------------+----------|
          | Parallel port     |   CN4    | Speaker          |   X809   |
          |-------------------+----------+------------------+----------|
          | IDE interface 2   |   CN5    | Soft off power   |   X810   |
          |                   |          | switch           |          |
          |-------------------+----------+------------------+----------|
          | IDE interface 1   |   CN6    | Soft off power   |   X811   |
          |                   |          | supply           |          |
          |-------------------+----------+------------------+----------|
          | Floppy drive      |   CN7    | SCSI LED         |   X812   |
          | interface         |          |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Function                 | Label | Position |
          |-----------------------------------------+-------+----------|
          | » | Flash BIOS normal operation         | SW1/1 |   Off    |
          |---+-------------------------------------+-------+----------|
          |   | Flash BIOS recovery mode            | SW1/1 |    On    |
          |---+-------------------------------------+-------+----------|
          | » | Password normal operation           | SW1/2 |   Off    |
          |---+-------------------------------------+-------+----------|
          |   | Password clear                      | SW1/2 |    On    |
          |---+-------------------------------------+-------+----------|
          | » | Port 0C91H bit 2 set to 1           | SW1/3 |   Off    |
          |---+-------------------------------------+-------+----------|
          |   | Port 0C91H bit 2 set to 0           | SW1/3 |    On    |
          |---+-------------------------------------+-------+----------|
          | » | Port 0C91H bit 3 set to 1           | SW1/4 |   Off    |
          |---+-------------------------------------+-------+----------|
          |   | Port 0C91H bit 3 set to 0           | SW1/4 |    On    |
          |---+-------------------------------------+-------+----------|
          | » | Flash BIOS write protect disabled   | SW1/5 |   Off    |
          |---+-------------------------------------+-------+----------|
          |   | Flash BIOS write protect enabled    | SW1/5 |    On    |
          |---+-------------------------------------+-------+----------|
          | » | Floppy drive write protect disabled | SW1/6 |   Off    |
          |---+-------------------------------------+-------+----------|
          |   | Floppy drive write protect enabled  | SW1/6 |    On    |
          |---+-------------------------------------+-------+----------|
          | » | Factory configured - do not alter   | SW1/7 |   Off    |
          |---+-------------------------------------+-------+----------|
          | » | System normal operation             | SW1/8 |   Off    |
          |---+-------------------------------------+-------+----------|
          |   | System runs POST tests              | SW1/8 |    On    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (2) 1M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 16MB | (2) 2M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 16MB | (2) 1M x 36 | (2) 1M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (2) 2M x 36 | (2) 1M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (2) 1M x 36 | (2) 1M x 36 |  (2) 1M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 24MB | (2) 1M x 36 | (2) 2M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 32MB | (2) 4M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 32MB | (2) 2M x 36 | (2) 1M x 36 |  (2) 1M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 32MB | (2) 2M x 36 | (2) 2M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 32MB | (2) 1M x 36 | (2) 1M x 36 |  (2) 1M x  |  (2) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 40MB | (2) 4M x 36 | (2) 1M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 40MB | (2) 2M x 36 | (2) 1M x 36 |  (2) 1M x  |  (2) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 40MB | (2) 1M x 36 | (2) 2M x 36 |  (2) 2M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 40MB | (2) 1M x 36 | (2) 4M x 36 |    None    |    None    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM CONFIGURATION (CON’T)                 |
          |------------------------------------------------------------|
          | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
          |-------+-------------+------------+------------+------------|
          | 48MB  | (2) 4M x 36 |  (2) 1M x  |  (2) 1M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 48MB  | (2) 4M x 36 |  (2) 2M x  |    None    |    None    |
          |       |             |     36     |            |            |
          |-------+-------------+------------+------------+------------|
          | 48MB  | (2) 2M x 36 |  (2) 2M x  |  (2) 2M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 56MB  | (2) 4M x 36 |  (2) 1M x  |  (2) 1M x  |  (2) 1M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 56MB  | (2) 1M x 36 |  (2) 2M x  |  (2) 2M x  |  (2) 2M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 64MB  | (2) 8M x 36 |    None    |    None    |    None    |
          |-------+-------------+------------+------------+------------|
          | 64MB  | (2) 4M x 36 |  (2) 2M x  |  (2) 2M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 64MB  | (2) 4M x 36 |  (2) 4M x  |    None    |    None    |
          |       |             |     36     |            |            |
          |-------+-------------+------------+------------+------------|
          | 64MB  | (2) 2M x 36 |  (2) 2M x  |  (2) 2M x  |  (2) 2M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 72MB  | (2) 8M x 36 |  (2) 1M x  |    None    |    None    |
          |       |             |     36     |            |            |
          |-------+-------------+------------+------------+------------|
          | 72MB  | (2) 1M x 36 |  (2) 4M x  |  (2) 4M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 72MB  | (2) 1M x 36 |  (2) 8M x  |    None    |    None    |
          |       |             |     36     |            |            |
          |-------+-------------+------------+------------+------------|
          | 80MB  | (2) 8M x 36 |  (2) 1M x  |  (2) 1M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 80MB  | (2) 4M x 36 |  (2) 2M x  |  (2) 2M x  |  (2) 2M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 80MB  | (2) 2M x 36 |  (2) 8M x  |    None    |    None    |
          |       |             |     36     |            |            |
          |-------+-------------+------------+------------+------------|
          | 88MB  | (2) 8M x 36 |  (2) 1M x  |  (2) 1M x  |  (2) 1M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 96MB  | (2) 8M x 36 |  (2) 2M x  |  (2) 2M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 96MB  | (2) 4M x 36 |  (2) 4M x  |  (2) 4M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 96MB  | (2) 4M x 36 |  (2) 8M x  |    None    |    None    |
          |       |             |     36     |            |            |
          |-------+-------------+------------+------------+------------|
          | 104MB | (2) 1M x 36 |  (2) 4M x  |  (2) 4M x  |  (2) 4M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 112MB | (2) 8M x 36 |  (2) 2M x  |  (2) 2M x  |  (2) 2M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 128MB | (2) 8M x 36 |  (2) 4M x  |  (2) 4M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 128MB | (2) 8M x 36 |  (2) 8M x  |    None    |    None    |
          |       |             |     36     |            |            |
          |-------+-------------+------------+------------+------------|
          | 136MB | (2) 1M x 36 |  (2) 8M x  |  (2) 8M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 144MB | (2) 2M x 36 |  (2) 8M x  |  (2) 8M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 160MB | (2) 8M x 36 |  (2) 4M x  |  (2) 4M x  |  (2) 4M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 160MB | (2) 4M x 36 |  (2) 8M x  |  (2) 8M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 192MB | (2) 8M x 36 |  (2) 8M x  |  (2) 8M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 200MB | (2) 1M x 36 |  (2) 8M x  |  (2) 8M x  |  (2) 8M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 208MB | (2) 2M x 36 |  (2) 8M x  |  (2) 8M x  |  (2) 8M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 224MB | (2) 4M x 36 |  (2) 8M x  |  (2) 8M x  |  (2) 8M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 256MB |  (2) 32M x  |    None    |    None    |    None    |
          |       |     36      |            |            |            |
          |-------+-------------+------------+------------+------------|
          | 256MB | (2) 8M x 36 |  (2) 8M x  |  (2) 8M x  |  (2) 8M x  |
          |       |             |     36     |     36     |     36     |
          |------------------------------------------------------------|
          | Note: Banks are interchangeable.                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Note: 256KB cache is factory installed and is not          |
          | configurable. The location is unidentified.                |
          +------------------------------------------------------------+