
ICL

ERGOPRO C4/33, C4/33B, D4/25, D4/33D

Processor       80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed 25/33/66(internal)MHz
Chip Set        Headland
Max. Onboard    32MB
DRAM
Cache           128KB
BIOS            ICL
Dimensions      432mm x 368mm
I/O Options     PS/2 mouse port, parallel port, serial port, VGA port, VGA
                feature connector, AUI port, 10 base T port, floppy drive
                interface, IDE interface, riser slot
NPU Options     None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  VGA port                    CN1      Cache connector            CN10

  PS/2 mouse port             CN2      Chassis fan power           J3

  Parallel port               CN3      IDE interface LED           J4

  AUI port                    CN4      Reset switch                J6

  10 base T port              CN5      Chassis fan power           J7

  Serial port                 CN6      Speaker                     J8

  VGA feature connector       CN7      SCSI interface LED          J9

  IDE interface               CN8      Riser Card                  SL1

  Floppy drive interface      CN9

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

     On board VGA enabled                    J1               Open

      On board VGA disabled                   J1              Closed

     CMOS memory normal operation            J2               Open

      CMOS memory clear                       J2              Closed

     Boot block disabled                     J5               Open

      Boot block enabled                      J5              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           J10

    Installed          Open

  Not installed       Closed

              VRAM CONFIGURATION

      Size          Bank 0          Bank 1

     512KB        (2) 256K x 8       NONE

      1MB         (2) 256K x 8   (2) 256K x 8

