Commodore 64 Diagnostic Chip Clip / Test Harness w/ SX-64 Install Sheet Untested

This is a vintage Commodore 64 diagnostic chip clip / test harness assembly.

⚠️ This is NOT a standard plug-in cartridge.

It appears to be a technician-level diagnostic adapter designed for chip-level troubleshooting and disk drive related modifications on the Commodore 64 / SX-64.

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Included:

• MOS 6522 VIA chip (marked 8017H 6522)

• Ribbon cable harness

• Clip-style IC adapter

• EDAC connector (marked 5A 250V)

• Original SX-64 hardware installation instruction sheet (Version 4.1 reference)

The included installation sheet references chip removal and connection to the 6522 VIA, suggesting this was used in conjunction with advanced disk backup or diagnostic setups.

This appears to be a bench repair or duplication tool intended to interface directly with the 6522 VIA chip via socket or clip connection.

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Condition:

• SOLD UNTESTED

• FOR PARTS OR REPAIR

• No functional testing performed

• No guarantees

I do not have the required setup or technical environment to safely test this device. Due to the specialized nature of this item, it is being sold strictly as-is.

Cosmetic condition shows:

• Age-related yellowing of instruction sheet

• Surface wear on housing

• Ribbon cable intact

• No obvious broken pins or cut wiring

Please review all photos carefully as they are part of the description.

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Important

This item is intended for:

• Experienced Commodore 64 repair technicians

• Advanced hobbyists

• Chip-level diagnostic users

• SX-64 modification enthusiasts

It is not a beginner accessory and requires technical knowledge of C64 internals.

Sold as-is. No returns due to untested condition.

Feel free to message with any questions.