ICL

ERGOPRO C4/D4 V-SERIES

Processor         80486SX/80486SX2/80486DX2
Processor Speed   33/50(internal)/66(internal)MHz
Chip Set          OPTI
Max. Onboard DRAM 64MB
Cache             256KB
BIOS              ICL
Dimensions        330mm x 218mm
I/O Options       PS/2 mouse port, parallel port, serial ports (2), VGA
                  port, VGA feature connector, floppy drive interface, IDE
                  interface, riser slot
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  VGA port                    CN1      Floppy drive interface      CN8

  Parallel port               CN2      Cache connector             CN9

  Serial port 1               CN3      Chassis fan power           J2

  Serial port 2               CN4      Front panel connector       J3

  PS/2 mouse port             CN5      IDE interface LED           J4

  VGA feature connector       CN6      Riser Card                  SL1

  IDE interface               CN7

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Factory configured - do not              J1              N/A
      alter

  »   VGA IRQ9 enabled                        JP1           pins 3 & 4
                                                              closed

      VGA IRQ9 disabled                       JP1        pins 3 & 4 open

  »   On board VGA enabled                    JP1           pins 5 & 6
                                                              closed

      On board VGA disabled                   JP1        pins 5 & 6 open

  »   CMOS memory normal operation            JP1        pins 7 & 8 open

      CMOS memory clear                       JP1           pins 7 & 8
                                                              closed

  »   System lock disabled                    JP1          pins 13 & 14
                                                              closed

      System lock enabled                     JP1          pins 11 & 12
                                                              closed

  »   Boot block write disabled               JP1          pins 15 & 16
                                                               open

      Boot block write enabled                JP1          pins 15 & 16
                                                              closed

  »   Factory configured - do not             JP2           pins 7 - 16
      alter                                                   closed

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

      4MB        (1) 1M x 36      NONE

      8MB        (1) 1M x 36   (1) 1M x 36

      8MB        (1) 2M x 36      NONE

     12MB        (1) 1M x 36   (1) 2M x 36

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

     16MB        (1) 4M x 36      NONE

     20MB        (1) 1M x 36   (1) 4M x 36

     32MB        (1) 4M x 36   (1) 4M x 36

     64MB        (1) 8M x 36   (1) 8M x 36

        CACHE CONFIGURATION

       Size              CN9

      256KB        Card installed

          CPU SPEED CONFIGURATION

        Speed                  JP1

        33MHz           pins 9 & 10 open

        50iMHz         pins 9 & 10 closed

        66iMHz          pins 9 & 10 open

                VRAM CONFIGURATION

      Size            Bank 0           Bank 1

      512KB       (1) 256K x 16         NONE

       1MB        (1) 256K x 16    (1) 256K x 16