Commodore 64 Dead Test Cartridge (REV 781220) - Diagnostic cartridge

Reproduction of Commodore's official "Dead Test" diagnostic cartridge, revision 781220 (original manual dated 1988, part number 314139-02). This cartridge was used by Commodore service centers at the time to diagnose a non-starting ("dead") Commodore 64. On startup, the cartridge automatically tests the RAM memory, ROM, the CIA chips, the SID sound chip, and the VIC video chip, and displays the status via color patterns on the edge of the screen. This release comes in a 3D-printed housing.

• Function: hardware diagnostics/repair aid for a defective Commodore 64
• Tests: RAM, ROM, CIA, SID and VIC chips
• Revision: 781220 (1988)
• Condition: used, working, in good condition

Shipping: This item will be sent from Barendrecht in a brown envelope as mailbox post.