DIGITAL EQUIPMENT CORPORATION

DIGITAL SERVER 1200

Device Type       Mainboard
Processor         Pentium II
Processor Speed   233/266/300/333/366/400/433/466/500/533MHz
Chip Set          Unidentified
Video Chip Set    S3
Maximum Onboard   512MB (EDO supported)
Memory
Maximum Video     Unidentified
Memory
Cache             256/512KB (located on Pentium II CPU)
BIOS              Unidentified
Dimensions        305mm x 244mm
I/O Options       32-bit PCI slots (5), Ethernet 10BaseT connector, floppy
                  drive interface, Wide SCSI interface, parallel port, PS/2
                  mouse port, serial ports (2), VGA port, USB connectors
                  (2), CPU slot
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Speaker                     C1       Serial port                CN4

  SCSI interface LED          C3       Serial port                CN5

  Chassis fan power           C4       PS/2 mouse port            CN6

  Front panel connector       C5       USB connector 1            CN7

  RSM connector               C6       USB connector 2            CN8

  LEDs                        C7       Wide SCSI interface        CN9

  Ethernet 10BaseT           CN1       Floppy drive               CN10
  connector                            interface

  Parallel port              CN2       32-bit PCI slots        PC1 – PC5

  VGA port                   CN3       CPU slot                   SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

  »   BIOS upgrade enabled                   SW1/1             Off

      BIOS upgrade disabled                  SW1/1              On

  »   BIOS normal operation                  SW1/2              On

      BIOS recovery mode                     SW1/2             Off

  »   Password normal operation              SW1/3              On

      Password clear                         SW1/3             Off

  »   CMOS memory normal operation           SW1/4              On

      CMOS memory clear                      SW1/4             Off

               VIDEO MEMORY CONFIGURATION

  Note: The size of the video memory is unidentified.

[Image]

           CONNECTIONS

  Purpose            Location

  VRM connector        VRM

                            DIMM CONFIGURATION

     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

     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

     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

                        DIMM CONFIGURATION (CON’T)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

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

     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

     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 memory.

                     CACHE CONFIGURATION

  Note: 256KB/512KB cache is located on the Pentium II CPU.

                            CPU SPEED SELECTION

    CPU       Clock    Multiplier     SW1/1    SW1/2     SW1/3     SW1/4
   speed     speed

  233MHz     66MHz        3.5x         Off      Off       On        On

  266MHz     66MHz         4x          On        On       Off       On

  300MHz     66MHz        4.5x         Off       On       Off       On

  333MHz     66MHz         5x          On       Off       Off       On

  366MHz     66MHz        5.5x         Off      Off       Off       On

  400MHz     66MHz         6x          On        On       On        Off

  433MHz     66MHz        6.5x         Off       On       On        Off

  466MHz     66MHz         7x          On       Off       On        Off

  500MHz     66MHz        7.5x         Off      Off       On        Off

  533MHz     66MHz         8x          On        On       Off       Off