HwMuseum | Index

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

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 VDU)

On

Off

40 x 25 color (Compaq VDU)

Off

On

80 x 25 color (EGA or RGBI)

On

On

Monochrome

Off

Off