
SIEMENS NIXDORF INFORMATIONSSYSTEME AG

S26361-D819

Processor  80486SX/80486DX/ODP486SX/80486DX2/80486DX4/Pentium Overdrive
Processor  25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   Unidentified
Max.       64MB
Onboard
DRAM
Cache      128/256KB
BIOS       Unidentified
Dimensions 330mm x 218mm
I/O        32-bit VESA local bus slots (1), floppy drive interface, IDE
Options    interface, parallel port, PS/2 mouse port, serial ports (2),
           VGA feature connector, VGA port
NPU        None
Options

[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
                                       slot

  Floppy drive               CN6
  interface

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     VGA feature connector disabled           J1           pins 1 & 2
                                                              closed

      VGA feature connector enabled            J1           pins 2 & 3
                                                              closed

     IRQ9 type select VGA controller          J2           pins 1 & 2
      only                                                    closed

      IRQ9 type select other uses              J2           pins 2 & 3
                                                              closed

     IRQ12 type select mouse only             J2           pins 4 & 5
                                                              closed

      IRQ12 type select other uses             J2           pins 5 & 6
                                                              closed

     Cache type select write back             J4           pins 1 & 2
                                                              closed

      Cache type select write through          J4           pins 2 & 3
                                                              closed

     Password enabled                        J8A             Closed

      Password disabled                       J8A              Open

     Factory configured - do not             J8B             Closed
      alter

     Monitor type select monochrome          J8D              Open

      Monitor type select color               J8D             Closed

     Factory configured - do not             J8E              Open
      alter

     Flash BIOS write protect enabled        J8F             Closed

      Flash BIOS write protect                J8F              Open
      disabled

     Floppy drive interface enabled          J8G             Closed

      Floppy drive interface disabled         J8G              Open

     IDE interface enabled                   J8H             Closed

      IDE interface disabled                  J8H              Open

     On board VGA controller enabled         J8I             Closed

      On board VGA controller disabled        J8I              Open

                           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

     8MB        (1) 2M x 36       NONE           NONE          NONE

     12MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36       NONE

     12MB       (1) 2M 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

     16MB       (1) 2M x 36   (1) 2M x 36        NONE          NONE

     16MB       (1) 2M x 36   (1) 1M x 36    (1) 1M x 36       NONE

     16MB       (1) 4M x 36       NONE           NONE          NONE

     20MB       (1) 2M x 36   (1) 1M x 36    (1) 1M x 36    (1) 1M x 36

     20MB       (1) 2M x 36   (1) 2M x 36    (1) 1M x 36       NONE

     20MB       (1) 4M x 36   (1) 1M x 36        NONE          NONE

     24MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36       NONE

     24MB       (1) 2M x 36   (1) 2M x 36    (1) 1M x 36    (1) 1M x 36

     24MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36       NONE

     24MB       (1) 4M x 36   (1) 1M x 36    (1) 1M x 36       NONE

     28MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36    (1) 1M x 36

     28MB       (1) 4M x 36   (1) 1M x 36    (1) 1M x 36    (1) 1M x 36

                       DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     28MB       (1) 4M x 36   (1) 2M x 36    (1) 1M x 36       NONE

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

     32MB       (1) 4M x 36   (1) 2M x 36    (1) 1M x 36    (1) 1M x 36

     32MB       (1) 4M x 36   (1) 2M x 36    (1) 2M x 36       NONE

     32MB       (1) 8M x 36       NONE           NONE          NONE

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

     36MB       (1) 8M x 36   (1) 1M x 36        NONE          NONE

     48MB       (1) 8M x 36   (1) 2M x 36    (1) 1M x 36    (1) 1M x 36

     40MB       (1) 8M x 36   (1) 1M x 36    (1) 1M x 36       NONE

     44MB       (1) 8M x 36   (1) 1M x 36    (1) 1M x 36    (1) 1M x 36

     44MB       (1) 8M x 36   (1) 2M x 36    (1) 1M x 36       NONE

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

     48MB       (1) 8M x 36   (1) 2M x 36    (1) 2M x 36       NONE

     52MB       (1) 8M x 36   (1) 2M x 36    (1) 2M x 36    (1) 1M x 36

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

     64MB       (1) 8M x 36   (1) 8M x 36        NONE          NONE

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     128KB      (4) 32K x 8        NONE       (1) 8K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

                  CACHE JUMPER CONFIGURATION

        Size                  J6                   J7

        128KB          pins 2 & 3 closed   pins 2 & 3 closed

        256KB          pins 1 & 2 closed   pins 1 & 2 closed

          CPU TYPE CONFIGURATION

        Type                   J3

       80486SX         pins 1 & 2 closed

      ODP486SX         pins 1 & 2 closed

       80486DX         pins 2 & 3 closed

      80486DX2         pins 2 & 3 closed

      80486DX4         pins 2 & 3 closed

  Pentium Overdrive    pins 2 & 3 closed

  CPU SPEED CONFIGURATION

    Speed          J8C

    25MHz          Open

    33MHz         Closed

    50iMHz         Open

    66iMHz        Closed

    75iMHz         Open

   100iMHz        Closed

        CPU VOLTAGE CONFIGURATION

       Voltage                J5

        3.3v          pins 2 & 3 closed

         5v           pins 1 & 2 closed

