C64 Reloaded MK2 SD2IEC CN4b mod. Adding a SD2IEC. Breadbox64.com.

C64R-MK2 SD2IEC Mod

This is a short tutorial on how to mod the C64 Reloaded MK2 (link) motherboard with an SD2IEC unit. The C64R-MK2 comes with jumper pinouts for adding an SD2IEC unit. The pinout is called CN4b and is located near the cassette port. No connectors are … Read more

Commodore 64 RF Shield. breadbox64.com

C64 RF Shields

To reduce any radio frequency (RF) interference with surroudning hardware (e.g. old tube TV’s), Commodore added shielding to their machines. In the early machines the RF shield came in the form of an aluminum covered cardboard that was wrapped around the motherboard. As carboard is … Read more

Mint Condition 250469

Part of the QA procedure for the MechBoard64’s (link) includes testing the keyboards in a real Commodore 64. Doing it this way calls for a lot of power cycles, cartridge swaps for testing keys, plugging and unplugging of the keyboards etc. I therefore use a motherboard … Read more