COMPAQ COMPUTER CORPORATION

DESKPRO 386/20e (Model 001906)

Processor               80386DX
Processor Speed         20MHz
Chip Set                Compaq
Max. Onboard DRAM       4MB
Cache                   None
BIOS                    Compaq
Dimensions              330mm x 332mm
I/O Options             VGA feature connector, proprietary system memory
                        card slot, proprietary system memory module
                        interface, VGA port, parallel port, serial port,
                        bus mouse port, IDE interface, floppy drive/tape
                        drive interface
NPU Options             3167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  External battery           BAT       IDE interface              HD1

  Bus mouse port             CN1       Proprietary system          M1
                                       processor card

  Parallel port              CN2       System memory module     M2A & M2B

  Serial port                CN3       Main power                  P0

  VGA port                   CN4       Drive power plugs         P1-P3

  Cooling fan                FAN       Speaker                    SPK

  3.5 inch floppy drive      FD1       VGA feature card            V1
  interface

  Floppy drive               FD2
  interface

                        USER CONFIGURABLE SETTINGS

                Function                     Switch          Position

  »   Onboard VGA controller enabled          SW1/1             On

      Onboard VGA controller disabled         SW1/1             Off

  »   Password enabled                        SW1/2             On

      Password disabled                       SW1/2             Off

                            DRAM CONFIGURATION

              Size                               M2A & M2B

               1MB                    Install a 1MB proprietary memory
                                                  module

               4MB                    Install a 4MB proprietary memory
                                                  module

  Note:The optional system memory card can be installed to provide up to
  16MB. (see below)

SYSTEM MEMORY CARD (Model 112518-001)

[Image]

                    OPTIONAL MEMORY CARD CONFIGURATION

     Total card memory               M0                      M0

  1MB (installed on card)           NONE                    NONE

            2MB                  1MB module                 NONE

            3MB                  1MB module              1MB module

            5MB                  4MB module                 NONE

            9MB                  4MB module              4MB module

[Image]

                    OPTIONAL MEMORY CARD CONFIGURATION

     Total card memory               M0                      M0

  4MB (installed on card)           NONE                    NONE

            5MB                  1MB module                 NONE

            6MB                  1MB module              1MB module

            8MB                  4MB module                 NONE

           12MB                  4MB module              4MB module