...because we can't all be on the bleeding edge...





PORTABLE 286

COMPAQ COMPUTER CORPORATION

PORTABLE 286

Processor

80286

Processor Speed

6/8MHz

Chip Set

FOREX

Max. Onboard DRAM

640KB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

8087/80287/80387SX/CX487SLC/80387DX/CX487DLC/3167/4167

CONNECTIONS

Purpose

Location

Purpose

Location

External power connector

S1

External battery

S3

Monitor connector

S2

Speaker

S4

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor select monochrome video display controller

ED

pins 1 & 2 closed

 

Monitor select COMPAQ duel-mode video display controller

ED

pins 2 & 3 closed

Factory configured - do not alter

EM

N/A

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.