ICL

ERGOPRO D4/33 XG, D4/33 XGI, D4/66 DXG, D4/66 DXGI

Processor           80486SX/80487SX/80486DX2
Processor Speed     33/66(internal)MHz
Chip Set            Headland
Max. Onboard DRAM   32MB
Cache               128KB
BIOS                ICL
Dimensions          432mm x 368mm
I/O Options         Microphone port, headphone port, VGA port, PS/2 port,
                    SCSI port, AUI port, 10 base T port, VGA feature
                    connector, serial/parallel connector, floppy drive
                    interfaces (2), SCSI interface, CD audio connector,
                    riser slot
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                    Location     Purpose               Location

  Microphone port               CN1       Floppy drive            CN11
                                          interface

  Headphone port                CN2       Floppy drive            CN12
                                          interface

  VGA port                      CN3       SCSI interface          CN13

  PS/2 mouse port               CN4       Chassis fan power        J1

  SCSI port                     CN5       Speaker                  J2

  AUI port                      CN6       Chassis fan power        J3

  10 base T port                CN7       Front panel              J4
                                          connector

  VGA feature connector         CN8       CD audio connector       T9

  Serial/parallel               CN9       Reset switch             T29
  connector

  Cache connector              CN10       Riser Card               SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

      Factory configured - do not             CN14             N/A
      alter

  »   On board VGA enabled                    T12              Open

      On board VGA disabled                   T12           pins 2 & 3
                                                              closed

  »   System lock disabled                    T14           pins 1 & 2
                                                              closed

      System lock enabled                     T14           pins 2 & 3
                                                              closed

  »   CMOS memory normal operation            T21              Open

      CMOS memory clear                       T21             Closed

  »   Boot block disabled                     T900             Open

      Boot block enabled                      T900            Closed

           DRAM CONFIGURATION

     Size        Bank 0        Bank 1

     4MB        (4) 1M x 9      NONE

     8MB        (4) 1M x 9   (4) 1M x 9

     16MB       (4) 4M x 9      NONE

     20MB       (4) 4M x 9   (4) 1M x 9

     32MB       (4) 4M x 9   (4) 4M x 9

           CACHE CONFIGURATION

        Size                CN10

       128KB          Module installed

  Note: There are two CN10 connectors.

                        CACHE JUMPER CONFIGURATION

                Setting                                T32

               Installed                               Open

             Not installed                            Closed

            Note: There are two T32 shown on the diagram. Depending on
            board revision, the jumper will be located in either place.

                     VRAM CONFIGURATION

  Note: VRAM is factory installed and is not configurable.