
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

