Commodore C64G

Configuration

• Built: August 17th, 1988 in Western Germany
• Mainboard: Assy 250469 Rev 4 (short board with separate color RAM chip)
• CPU: 8500 (date code 2088)
• SID: 8580R5 (date code 2288)
• VIC-II: 8565R2 (date code 1988)
• PLA: 251715-01
• RAM: 64KB

Trivia

• Came with an external “reset” expansion with machine-typed label.
• Had two intact warranty seals when I got it.

Restauration Works

• Case and keyboard cleaned. Case was a bit yellowed on a side, and whitened in the sun.
• Recapping. (No voltage regulators on board for replacement.)
• Heatsinks glued on CPU, VIC, and SID.
• Digifix for 8580 SID, using a 820kΩ resistor for moderate digi sounds.
• Cleaned up the PCB.
• Machine thorougly tested by full diagnostics, no problems were found.

History

• 2022-11-05:
  • Reverted the rehousing. This C64 is in its original state again.
• 2022-07-14:
  • Rehoused the board into a C64-C case (serial HB4-908244E) because I needed the original case for the Ultimate64.
• 2022-06-12:
  • Reassembled the system
• 2022-06-11:
  • Recapped
  • Heatsinks on CPU, VIC, SID
  • Digifix
• 2022-05-07
  • Case disassembled and cleaned, although there was not much cleaning necessary.
  • One side was yellowed, and was whitened in the sun.
• 2022-04-17: Date of purchase