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DavidMil

800XL bare board revision levels

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I bought a 800XL from ebay the other day and when I opened it up I noticed that all the 64K chip sockets had been raised on one end and a 100 ohm resistor

had been added into one of the holes under the socket on each RAM chip. When I flipped the board over I also say where the old traces had been drilled to

break the circuit. This is most likely a factory job, but it got me to thinking... Is there any listing of all 800XL mother board factory modifications anywhere? I

have several 800XL's and all three have different factory mods. I also found a bare 800XL MB and I may start populating it (I have lots of time now).

 

David

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Board Name Fits PN Revision Date Component Side Solder Side Manufacturer

800XL 800XL CO61851 A1 Chelco 1983 P/N: 150800011 REV A1 800XL 800XL/CO61851 A1 CHELCO
800XL 800XL CO61851 A2 Chelco 1983 P/N: 150800011 REV A2 800XL 800XL/CO61851 A2 CHELCO
800XL 800XL CO61851 C CAO24808-001 REVA CA061854 800XL/CO61851 REV C/MADE IN HONGKONG APC
800XL 800XL CO61851 D 3284 CA06220-REV? PBT 374 800XL/CO61851 REV D/OPC/1298A/32-84 OPC
800XL 800XL CO61851 D 3384 CA061854 REV.D PBT 414 800XL/CO61851 REV D/OPC/1298A/33-84 OPC
800XL 800XL CO61851 D CAO24808 REV D PBT 504
800XL-SECAM 800XL CO24968-001 X1A 4-84 CA025926-001 REV- GCI-A 18-84 CO24968-001 REV-X1A 800XL-SECAM
800XL-SECAM 800XL C024968-001 R3 884 800XL-SECAM ROSE CAO24969-001 REV- 8-84 GX-211 VO C024968-001 REV R3 800XL-SECAM
800XLF 800XL CO25925-001 R1 © 4-84 CA025926-001 REV- CO25925-001 REV-R1 800XLF KT201 8502
800XLF 800XL CO25925-001 R3 285 © 9-84 CA025926-001 REV- CO25925-001 REV-R3 800XLF KT201 8502
130XE 800XL 5084 © 11-84 CAOXXXXX-XXX REV- 50-84/COXXXXX-XXX REV-R1 130XE
These are the known types that I have. They don't actually list the changes on the board but the majority of "jumper wires" and other fun things are incorporated in the later revisions of the board.

 

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Board Name Fits PN Revision Date Component Side Solder Side Manufacturer

800XL 800XL CO61851 A1 Chelco 1983 P/N: 150800011 REV A1 800XL 800XL/CO61851 A1 CHELCO
800XL 800XL CO61851 A2 Chelco 1983 P/N: 150800011 REV A2 800XL 800XL/CO61851 A2 CHELCO
800XL 800XL CO61851 C CAO24808-001 REVA CA061854 800XL/CO61851 REV C/MADE IN HONGKONG APC
800XL 800XL CO61851 D 3284 CA06220-REV? PBT 374 800XL/CO61851 REV D/OPC/1298A/32-84 OPC
800XL 800XL CO61851 D 3384 CA061854 REV.D PBT 414 800XL/CO61851 REV D/OPC/1298A/33-84 OPC
800XL 800XL CO61851 D CAO24808 REV D PBT 504
800XL-SECAM 800XL CO24968-001 X1A 4-84 CA025926-001 REV- GCI-A 18-84 CO24968-001 REV-X1A 800XL-SECAM
800XL-SECAM 800XL C024968-001 R3 884 800XL-SECAM ROSE CAO24969-001 REV- 8-84 GX-211 VO C024968-001 REV R3 800XL-SECAM
800XLF 800XL CO25925-001 R1 © 4-84 CA025926-001 REV- CO25925-001 REV-R1 800XLF KT201 8502
800XLF 800XL CO25925-001 R3 285 © 9-84 CA025926-001 REV- CO25925-001 REV-R3 800XLF KT201 8502
130XE 800XL 5084 © 11-84 CAOXXXXX-XXX REV- 50-84/COXXXXX-XXX REV-R1 130XE
These are the known types that I have. They don't actually list the changes on the board but the majority of "jumper wires" and other fun things are incorporated in the later revisions of the board.

 

Thank you kheller2!

David

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