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Commodore 64 Dual Dead Test and Diagnostic Cartridge plus full test harness
£36.29 ❌ Overpriced Buy on eBay
Asking Price
5 days ago
Listed 2025-11-27
Wigan, GB
From listing #75302: 🇬🇧 Commodore 64 C64 Dead Diagnostic cartridge plus test harness 586220+ 781220
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For sale is a Commodore 64 Dual Dead Test and Diagnostic Cartridge, plus full test harness. Now updated with 8 diagnostic ROM's which include: - 586220+ - DeadTest 781220 - 1541 Diag - C64 Diag - C64 Diag 4.1.1 - C128 785260 - Doktor 64 - C64 CBM Burn-in Test. The 586220+ diagnostic cartridge and test harness allows testing of: Keyboard port, Serial Port, User port, Cassette Port, Joystick ports, RAM/PLA/ROMs/Sound/Integrated Circuits. The PCB's/test harness is based on the design from the original test harness design as used by Commodore back in the day. I have only tested this on Commodore 64 25407 PAL version, but I do not see why it will also work on the NTSC version.
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