PCjs Machines

Home of the original IBM PC emulator for browsers.

COMPAQ LTE/286 ROMs

System Board, CPU View System Board, ROM View

System ROM Locations

U503 (EVEN)
U504 (ODD)

System ROM Revisions (Spare Part 117100-001)

Rev  Even ROM #  Odd ROM #   Date
---  ----------  ----------  ----
A.5  117222-001  117221-001
B.0  117222-002  117221-002
B.1  117222-003  117221-003  1989-09-07
B.3  117222-004  117221-004  1990-02-22

Dumping the ROMs

Same procedure as for the Deskpro386, with the addition of needing a PLCC32 to DIP28 conversion socket.

Arduino Breadboard EPROM Reader

The PCjs ROM image 1989-09-07 was created from 117221-003.hex and 117222-003.hex:

fileimage.js --file=117222-003.hex --merge=117221-003.hex --output=1989-09-07.json5 --comments

The PCjs ROM image 1990-02-22 was created from 117221-004.hex and 117222-004.hex:

fileimage.js --file=117222-004.hex --merge=117221-004.hex --output=1990-02-22.json5 --comments

[GitHub Source]