SIEMENS NIXDORF

SYSTEM BOARD D873

Device Type                Mainboard
Processor                  Pentium
Processor Speed            100/133/166MHz
Chip Set                   Intel
Video Chip Set             Tseng Labs
Maximum Onboard Memory     512MB
Maximum Video Memory       1MB
Cache                      512KB
BIOS                       Unidentified
Dimensions                 305mm x 244mm
I/O Options                32-bit PCI slots (4), floppy drive interface,
                           IDE interface, parallel port, PS/2 mouse port,
                           serial ports (2), VGA port, cache slot

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                Location

  Chassis fan power           C1        CAN bus control 1         C16

  Aux voltage PRIMERGY        C2        PS/2 mouse port           CN1
  500/700

  Power supply PRIMERGY       C3        Serial port 2             CN2
  500/700

  SCSI interface LED          C4        Serial port 1             CN3

  Chassis fan power           C5        Parallel port             CN4

  Temperature sensor          C6        VGA port                  CN5

  Speaker                     C7        Floppy drive              CN6
                                        interface

  Front panel connector       C8        IDE interface             CN7

  Front panel connector       C9        5v power supply           P1

  On/off switch              C10        5v power supply           P2

  Temperature sensor         C11        3.3v power supply         P3

  Temperature sensor         C12        32-bit PCI slots       PC1 – PC4

  Soft off power supply      C13        Cache slot                SL1

  Remote on connector        C14        VRM connector             VRM

  CAN bus control 2          C15

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

  »   BIOS normal operation                SW1/1              Off

      BIOS recovery mode                   SW1/1              On

  »   Factory configured - do not          SW1/2         Unidentified
      alter

  »   Factory configured - do not          SW1/3         Unidentified
      alter

  »   Factory configured - do not          SW1/4         Unidentified
      alter

  »   BIOS write protect disabled          SW1/5              Off

      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          SW1/7              Off
      alter

  »   Factory configured - do not          SW1/8         Unidentified
      alter

                           SIMM 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

                        SIMM CONFIGURATION (CON’T)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

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

     32MB        (2) 4M x 36       None           None           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

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

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

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

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

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

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

     128MB       (2) 16M x 36      None           None           None

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

     128MB       (2) 4M x 36   (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

     136MB       (2) 16M x 36  (2) 1M x 36        None           None

     144MB       (2) 16M x 36  (2) 2M x 36        None           None

     160MB       (2) 16M x 36  (2) 4M x 36        None           None

     192MB       (2) 16M x 36  (2) 8M x 36        None           None

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

     224MB       (2) 16M x 36  (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

     256MB       (2) 16M x 36  (2) 16M x 36       None           None

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

     272MB       (2) 16M x 36  (2) 16M x 36   (2) 1M x 36    (2) 1M x 36

     288MB       (2) 16M x 36  (2) 16M x 36   (2) 2M x 36    (2) 2M x 36

     320MB       (2) 16M x 36  (2) 16M x 36   (2) 4M x 36    (2) 4M x 36

     384MB       (2) 16M x 36  (2) 16M x 36   (2) 16M x 36       None

     512MB       (2) 16M x 36  (2) 16M x 36   (2) 16M x 36   (2) 16M x 36

                CACHE CONFIGURATION

           Size                      SL1

           0KB                  Not installed

          512KB            512KB module installed

                 VIDEO MEMORY CONFIGURATION

  Note: The location of the video memory is unidentified.

                             CPU SPEED SELECTION

   CPU     Clock   Multiplier   X400/pins   X400/pins   X400/pins   X400/pins
  speed    speed                  1 & 2       3 & 4       5 & 6      7 & 8

  100MHz   66MHz      1.5x        Open       Closed       Open        Open

  133MHz   66MHz       2x         Open       Closed      Closed       Open

  166MHz   66MHz      2.5x        Open       Closed      Closed      Closed