Retroleum.co.uk

Spare parts for Commodore 64, ZX Spectrum and more!

The store is currently closed for a 2-week Christmas & New Year break (re-opening 4th Jan 2025). Big thanks to all my customers for the orders this year - Happy Holidays and Best Wishes for 2025! - Phil.

Chips as used in the CBM VIC20

Products:

Click on the product thumbnail for an enlarged view.

MOS 6502 CPU for VIC20 etc

Genuine vintage MOS 6502 - Salvaged myself from IC socket: has not been soldered.
Tested with Commodore Diags: OK

MOS 6502 CPU for VIC20 etc - Desoldered

Genuine vintage MOS 6502
Desoldered from a PCB and tested with Commodore VIC20 - Diags: OK

MOS6522 VIA IC

Genuine, original 6522 chip as used in the VIC20 and 1541 series disk drives for IO functions
Tested with Commodore Diagnostics: Passed all tests.
Removed from socket, has not been soldered.

MOS 6561-101 VIC Chip (UK, PAL) for VIC 20

Tested for an hour, sound and video output: Good
New old stock chips - datecode '87

MOS 6561E VIC (UK, PAL) Chip for VIC20

Tested for an hour - sound and video: OK
A note about the colour purity: The composite output of the VIC20 is notorious for having artifacts such as vertical lines, offset pixels etc - see this youtube video for example. The effects vary from one machine (and VIC chip) to another - I consider this a limitation of the original design.