SIEMENS NIXDORF INFORMATIONSSYSTEME AG

S26361-D802-A

Processor       80486SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive
Processor Speed 25/33/50(internal)/66(internal)MHz
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

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  VGA port                   CN1       IDE interface              CN7

  Parallel port              CN2       VGA feature connector      CN8

  Serial port 2              CN3       Speaker                    JP1

  Serial port 1              CN4       LED connector              JP2

  PS/2 mouse port            CN5       32-bit VESA local bus      SL1
                                       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 36    (1) 1M x 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 36       NONE

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

     32MB       (1) 4M x 36   (1) 4M x 36        NONE          NONE

     48MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36       NONE

     64MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36    (1) 4M x 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