
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

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  PS/2 mouse port            CN1       32-bit PCI slots         PC1 - PC3

  Serial port 2              CN2       Front panel connector      X805

  Serial port 1              CN3       Chassis fan power          X806

  Parallel port              CN4       Speaker                    X809

  IDE interface 2            CN5       Soft off power switch      X810

  IDE interface 1            CN6       Soft off power supply      X811

  Floppy drive interface     CN7       SCSI LED                   X812

                        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             SW1/6             Off
      disabled

      Floppy drive write protect             SW1/6              On
      enabled

     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 36       None

     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 36       None

     32MB       (2) 2M x 36   (2) 2M x 36        None          None

     32MB       (2) 1M x 36   (2) 1M x 36    (2) 1M x 36    (2) 1M x 36

     40MB       (2) 4M x 36   (2) 1M x 36        None          None

     40MB       (2) 2M x 36   (2) 1M x 36    (2) 1M x 36    (2) 1M x 36

     40MB       (2) 1M x 36   (2) 2M x 36    (2) 2M x 36       None

     40MB       (2) 1M x 36   (2) 4M x 36        None          None

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     48MB        (2) 4M x 36   (2) 1M x 36    (2) 1M x 36        None

     48MB        (2) 4M x 36   (2) 2M x 36        None           None

     48MB        (2) 2M x 36   (2) 2M x 36    (2) 2M x 36        None

     56MB        (2) 4M x 36   (2) 1M x 36    (2) 1M x 36    (2) 1M x 36

     56MB        (2) 1M x 36   (2) 2M x 36    (2) 2M x 36    (2) 2M x 36

     64MB        (2) 8M x 36       None           None           None

     64MB        (2) 4M x 36   (2) 2M x 36    (2) 2M x 36        None

     64MB        (2) 4M x 36   (2) 4M x 36        None           None

     64MB        (2) 2M x 36   (2) 2M x 36    (2) 2M x 36    (2) 2M x 36

     72MB        (2) 8M x 36   (2) 1M x 36        None           None

     72MB        (2) 1M x 36   (2) 4M x 36    (2) 4M x 36        None

     72MB        (2) 1M x 36   (2) 8M x 36        None           None

     80MB        (2) 8M x 36   (2) 1M x 36    (2) 1M x 36        None

     80MB        (2) 4M x 36   (2) 2M x 36    (2) 2M x 36    (2) 2M x 36

     80MB        (2) 2M x 36   (2) 8M x 36        None           None

     88MB        (2) 8M x 36   (2) 1M x 36    (2) 1M x 36    (2) 1M x 36

     96MB        (2) 8M x 36   (2) 2M x 36    (2) 2M x 36        None

     96MB        (2) 4M x 36   (2) 4M x 36    (2) 4M x 36        None

     96MB        (2) 4M x 36   (2) 8M x 36        None           None

     104MB       (2) 1M x 36   (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

     112MB       (2) 8M x 36   (2) 2M x 36    (2) 2M x 36    (2) 2M x 36

     128MB       (2) 8M x 36   (2) 4M x 36    (2) 4M x 36        None

     128MB       (2) 8M x 36   (2) 8M x 36        None           None

     136MB       (2) 1M x 36   (2) 8M x 36    (2) 8M x 36        None

     144MB       (2) 2M x 36   (2) 8M x 36    (2) 8M x 36        None

     160MB       (2) 8M x 36   (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

     160MB       (2) 4M x 36   (2) 8M x 36    (2) 8M x 36        None

     192MB       (2) 8M x 36   (2) 8M x 36    (2) 8M x 36        None

     200MB       (2) 1M x 36   (2) 8M x 36    (2) 8M x 36    (2) 8M x 36

     208MB       (2) 2M x 36   (2) 8M x 36    (2) 8M x 36    (2) 8M x 36

     224MB       (2) 4M x 36   (2) 8M x 36    (2) 8M x 36    (2) 8M x 36

     256MB       (2) 32M x 36      None           None           None

     256MB       (2) 8M x 36   (2) 8M x 36    (2) 8M x 36    (2) 8M x 36

  Note: Banks are interchangeable.

                            CACHE CONFIGURATION

  Note: 256KB cache is factory installed and is not configurable. The
  location is unidentified.

