
SIEMENS-NIXDORF INFORMATIONSSYSTEME AG

SYSTEM BOARD D981

Device Type             Mainboard
Processor               Pentium II
Processor Speed         233/266/300/333/366MHz
Chip Set                Unidentified
Video Chip Set          None
Maximum Onboard Memory  512MB (EDO & SDRAM supported)
Maximum Video Memory    None
Cache                   512KB (located on Pentium II CPU)
BIOS                    Unidentified
Dimensions              305mm x 244mm
I/O Options             32-bit PCI slots (4), floppy drive interface,
                        game/MIDI port, green PC connector, IDE interfaces
                        (2), Ultra Wide SCSI interfaces (2), parallel
                        port, PS/2 mouse port, serial ports (2), IR
                        connector, USB connectors (3), ATX power
                        connector, AGP slot, line in, line out, microphone
                        in, audio in  CD-ROM
NPU Options             None

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                 Location

  AGP slot                    AGP       Soft off power            C18
                                        supply

  ATX power connector         ATX       Intrusion connector       C19

  Auxiliary in                 C1       Game/MIDI port            CN1

  Audio in  CD-ROM            C2       Microphone in             CN2

  Voice modem connector        C3       Line in                   CN3

  Device ID &                  C4       Line out                  CN4
  temperature

  USB connector -              C5       Parallel port             CN5
  internal

  Chassis fan power            C6       Serial port 1             CN6

  Power supply monitor         C7       Serial port 2             CN7

  Chip card reader             C8       USB connector 1 -         CN8
                                        external

  CPU fan power                C9       USB connector 2 -         CN9
                                        external

  Wake on LAN connector       C10       PS/2 mouse port           CN10

  SCSI interface LED          C11       Ultra Wide SCSI           CN11
                                        interface

  Control panel 1             C12       Floppy drive              CN12
                                        interface

  I2C connector               C13       Ultra Wide SCSI           CN13
                                        interface

  Control panel 2             C14       IDE interface 1           CN14

  Speaker                     C15       IDE interface 2           CN15

  IR connector                C16       32-bit PCI slots       PC1  PC4

  Wake on modem               C17
  connector

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not          SW1/1              Off
      alter

     Flash BIOS normal operation          SW1/2              Off

      Flash BIOS recovery mode             SW1/2              On

     Floppy drive write protect           SW1/3              Off
      disabled

      Floppy drive write protect           SW1/3              On
      enabled

     Factory configured - do not          SW1/4         Unidentified
      alter

                           DIMM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     8MB        (1) 1M x 64       None           None          None

     16MB       (1) 2M x 64       None           None          None

     16MB       (1) 1M x 64   (1) 1M x 64        None          None

     24MB       (1) 2M x 64   (1) 1M x 64        None          None

     24MB       (1) 1M x 64   (1) 1M x 64    (1) 1M x 64       None

                        DIMM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     32MB        (1) 4M x 64       None           None           None

     32MB        (1) 2M x 64   (1) 2M x 64        None           None

     32MB        (1) 1M x 64   (1) 1M x 64    (1) 1M x 64    (1) 1M x 64

     40MB        (1) 4M x 64   (1) 1M x 64        None           None

     48MB        (1) 4M x 64   (1) 2M x 64        None           None

     48MB        (1) 2M x 64   (1) 2M x 64    (1) 2M x 64        None

     64MB        (1) 2M x 64   (1) 2M x 64    (1) 2M x 64    (1) 2M x 64

     64MB        (1) 8M x 64       None           None           None

     64MB        (1) 4M x 64   (1) 4M x 64        None           None

     72MB        (1) 8M x 64   (1) 1M x 64        None           None

     80MB        (1) 8M x 64   (1) 2M x 64        None           None

     96MB        (1) 8M x 64   (1) 4M x 64        None           None

     96MB        (1) 4M x 64   (1) 4M x 64    (1) 4M x 64        None

     128MB       (1) 16M x 64      None           None           None

     128MB       (1) 8M x 64   (1) 8M x 64        None           None

     128MB       (1) 4M x 64   (1) 4M x 64    (1) 4M x 64    (1) 4M x 64

     136MB       (1) 16M x 64  (1) 1M x 64        None           None

     144MB       (1) 16M x 64  (1) 2M x 64        None           None

     152MB       (1) 16M x 64  (1) 1M x 64    (1) 1M x 64    (1) 1M x 64

     160MB       (1) 16M x 64  (1) 4M x 64        None           None

     176MB       (1) 16M x 64  (1) 2M x 64    (1) 2M x 64    (1) 2M x 64

     192MB       (1) 16M x 64  (1) 8M x 64        None           None

     192MB       (1) 8M x 64   (1) 8M x 64    (1) 8M x 64        None

     224MB       (1) 16M x 64  (1) 4M x 64    (1) 4M x 64    (1) 4M x 64

     256MB       (1) 16M x 64  (1) 16M x 64       None           None

     256MB       (1) 8M x 64   (1) 8M x 64    (1) 8M x 64    (1) 8M x 64

     272MB       (1) 16M x 64  (1) 16M x 64   (1) 1M x 64    (1) 1M x 64

     288MB       (1) 16M x 64  (1) 16M x 64   (1) 2M x 64    (1) 2M x 64

     320MB       (1) 16M x 64  (1) 16M x 64   (1) 4M x 64    (1) 4M x 64

     320MB       (1) 16M x 64  (1) 8M x 64    (1) 8M x 64    (1) 8M x 64

     384MB       (1) 16M x 64  (1) 16M x 64   (1) 16M x 64       None

     512MB       (1) 16M x 64  (1) 16M x 64   (1) 16M x 64   (1) 16M x 64

            Note: Board accepts EDO & SDRAM memory.

                  CACHE CONFIGURATION

  Note: 512KB cache is located on the Pentium II CPU.

                            CPU SPEED SELECTION

    CPU       Clock    Multiplier     SW1/5    SW1/6     SW1/7     SW1/8
   speed     speed

  233MHz     66MHz        3.5x         On        On       Off       Off

  266MHz     66MHz         4x          On       Off       On        On

  300MHz     66MHz        4.5x         On       Off       On        Off

  333MHz     66MHz         5x          On       Off       Off       On

  366MHz     66MHz        5.5x         On       Off       Off       Off

