Replica Commodore 64 PCBs (Assembly #250407, #250466 & #250469)Designed by Bob's Bits in United Kingdom
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These are replica Printed Circuit Boards (PCBs) derived from the Commodore 64 8-bit computer. The boards were created to allow Commodore 64 computers that had damaged or faulty PCBs to be successfu...Read More…
These are replica Printed Circuit Boards (PCBs) derived from the Commodore 64 8-bit computer.
The boards were created to allow Commodore 64 computers that had damaged or faulty PCBs to be successfully repaired. This can be achieved by moving all components from an original board to the replica board, or even replace some parts with more modern alternatives.
We currently have 3 x replica board models available:
This board design was one of the earliest used by Commodore. It requires 8 x 8KB RAM ICs and many logic ICs as well as the commodore custom ICs:
PLEASE NOTE, Current stocks of 250466 (Pre v1.4) have a small issue where Pin 7 of the cartridge port has been connected to GND. This affects the operation of some cartridges, but can be fixed by a small trace cut on the rear of the board - Please click here for more detail
This board was the last to be produced by Commodore that used the original set of custom ICs:
This board tends to be more reliable due to requiring fewer logic ICs, but some parts can be harder or more expensive to obtain (e.g MOS 8701 IC). The board also uses 2 x 32KB RAM ICs as opposed to more common 8 x 8KB ICs.
This board was one the last to be produced by Commodore and was quite a change from the 2 earlier boards above. The entire board is a lot more narrow, giving it the "Short Board" nickname. The custom ICs used in this board are:
Some parts can be harder or more expensive to obtain (e.g MOS 8701, Custom PLA etc.). The board also uses 2 x 32KB RAM ICs.
Over the past 30+ years, there have been many boards that have become damaged for various reasons such as poor storage conditions etc.
The replica boards are of the same dimensions of the originals and can therefore be used as a direct replacement to the original PCBs.
Some improvements/modifications were made:
Prototype boards were tested with diagnostic software and harnesses to ensure no issues were encountered.
A "Bill of Materials" community editable spreadsheet has been created to help locating replacements parts: Click here to access.
Some replacement components can be purchased along with the boards:
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|Shipping Rate||Tracked||Ships From||First Item||Additional Items|
Clinton | Sept. 13, 2021
David | Sept. 2, 2021
Tim | June 29, 2021
Antonio | May 17, 2021
Michel | April 27, 2021
Sean | April 20, 2021
Chris | April 13, 2021
Darrell | March 29, 2021
Iurii Alekseevich | March 26, 2021
Phil | March 10, 2021
Daniele | March 9, 2021
Claudia | March 4, 2021
Tomasz | March 4, 2021
Christopher | Feb. 26, 2021
Wayne | Feb. 11, 2021
José | Feb. 10, 2021
Shiela | Feb. 9, 2021
Jan-Tore | Feb. 8, 2021
William | Feb. 3, 2021
Scott | Feb. 1, 2021
Sven | Jan. 19, 2021
Sigbjørn | Jan. 1, 2021
Nadeem | Dec. 30, 2020
Emanuele | Dec. 19, 2020
Pierre | Dec. 15, 2020
Norbert | Dec. 10, 2020
Ingmar | Dec. 6, 2020
Marton | Dec. 2, 2020
John | Nov. 23, 2020
Frode | Nov. 12, 2020
Philippe | Oct. 16, 2020
Michiel | Sept. 23, 2020
Robert | Aug. 12, 2020
Marty | Aug. 3, 2020
Jeff | Aug. 2, 2020
John | July 29, 2020
Martino | July 17, 2020
Oliver | July 9, 2020
Mario | July 7, 2020
Alexander | June 15, 2020
William | June 11, 2020
Macario | June 2, 2020
Damian | May 30, 2020
Marco | May 30, 2020
Stefano | April 20, 2020
Robert | April 4, 2020
Thomas | April 3, 2020
Tobias | March 29, 2020
Martijn | March 27, 2020
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