COMPAQ COMPUTER CORPORATION

Portable (PLUS) (Model 00004-Rev. C or later)

Processor         8088
Processor Speed   4.77MHz
Chip Set          None
Max. Onboard DRAM 640KB
Cache             None
BIOS              Compaq
Dimensions        372mm x 180mm
I/O Options       None
NPU Options       8087

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Main power                  P0       Speaker                    SPK

                        USER CONFIGURABLE SETTINGS

                Function                     Switch          Position

  »   Factory configured - do not alter       SW1/1             Off

  »   NPU disabled                            SW1/2             On

      NPU enabled                             SW1/2             Off

  »   Factory configured - do not alter       SW1/3             Off

  »   Factory configured - do not alter       SW1/4             Off

  »   Factory configured - do not alter       SW2/1             N/A

  »   Factory configured - do not alter       SW2/2             N/A

  »   Factory configured - do not alter       SW2/3             N/A

  »   Factory configured - do not alter       SW2/4             N/A

  »   Factory configured - do not alter       SW2/5             N/A

  »   Factory configured - do not alter       SW2/6             N/A

  »   Factory configured - do not alter       SW2/7             N/A

  »   Factory configured - do not alter       SW2/8             N/A

                       DRAM CONFIGURATION

    Size        Bank 0       Bank 1      Bank 2       Bank 3

    128KB      (9) 4164     (9) 4164      NONE         NONE

    192KB      (9) 4164     (9) 4164    (9) 4164       NONE

    256KB      (9) 4164     (9) 4164    (9) 4164     (9) 4164

    384KB      (9) 4164     (9) 4164    (9) 41256      NONE

    448KB      (9) 4164     (9) 4164    (9) 4164     (9) 41256

    512KB     (9) 41256    (9) 41256      NONE         NONE

    640KB      (9) 4164     (9) 4164    (9) 41256    (9) 41256

                FLOPPY DRIVE CONFIGURATION

  Drives installed         SW1/7               SW1/8

         1                  On                  On

         2                  Off                 On

         3                  On                  Off

         4                  Off                 Off

                           MONITOR CONFIGURATION

            Type                     SW1/5                  SW1/6

    80 x 25 color (Compaq             On                     Off
            VDU)

    40 x 25 color (Compaq             Off                    On
            VDU)

    80 x 25 color (EGA or             On                     On
           RGBI)

         Monochrome                   Off                    Off