COMPAQ COMPUTER CORPORATION

PORTABLE 286

Processor        80286
Processor Speed  6/8MHz
Chip Set         FOREX
Max. Onboard DRAM640KB
Cache            None
BIOS             AMI
Dimensions       330mm x 218mm
I/O Options      None
NPU Options      8087/80287/80387SX/CX487SLC/80387DX/CX487DLC/3167/4167

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                 Location

  External power               S1       External battery           S3
  connector

  Monitor connector            S2       Speaker                    S4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Monitor select monochrome video          ED           pins 1 & 2
      display controller                                      closed

      Monitor select COMPAQ duel-mode          ED           pins 2 & 3
      video display controller                                closed

  »   Factory configured - do not              EM              N/A
      alter

  »   Speed select secondary, 6MHz             ES           pins 2 & 3
                                                              closed

      Speed select primary, 8MHz               ES           pins 1 & 2
                                                              closed

           DRAM CONFIGURATION

     Size        Bank 0        Bank 1

    128KB         128KB         NONE

    256KB         128KB      (18) 4164

    640KB         128KB      (18) 41256

                   TECHNICAL NOTE

  E1, E2, E3 is unidentified by the manufacturer.