Repair logs for a Commodore 64 Assy 250407 Rev. B and an Assy 250407 Rev. B with broken PLAs at U17

New Repair Logs Added

I got a load of broken breadboxes that needed to be resurrected. Two of them have been fixed and the results have been added to the repair log pages. Both boards were Assy 250407 Rev. B.  PCB’s that needed a good clean and some new chips to … Read more

C64 Reloaded JiffyDOS

On the C64 Reloaded boards, all ROM images have been burned into a single EPROM chip. As described by Individual Computers, this ‘…gives some extra space for a second Kernal ROM and a second character set’. As I will be using the C64 Reloaded with my JiffyDOS … Read more

Commodore 64 capacitor modification by exchanging the old electrolytic capacitors with new ones.

The C64 Capacitor Mod

Despite the differences in opinion on the online forums regarding the exchange of the electrolytic capacitors, I always put in new ones when repairing a Commodore 64 board. I do not believe that exchanging them would do any harm to the board besides (hopefully!) prolonging the total life span of … Read more

Commodore 64 restore button modification to make the RESTORE key as sensitive as the rest of the keyboard


A friend of mine asked me to do something about the sluggish RESTORE key in one of his Breadboxes. It turns out that on the old longboards of the Commodore 64, the RESTORE key needs to be hit hard to function due to a misdimensioned … Read more

Commodore 64 fight stick using a Sanwa JLF joystick and a Seimitsu button

The C64 Fight Stick

As a supplement to my good old Zip Stik joystick (which I favour over the Competition Pros), I wanted to build a joystick based on hardware known from world of arcade machines. As the electronic componets of such a project is quite simple (actually its basically soldering some … Read more

Commodore 64 power LED modification in order to have different LED colors in the new Kickstarter C64 cases

The C64 LED mod

I recently recieved two cases from the Kickstarter campaign for my C64 Reloaded boards. A transparent and a blue one. The blue case will eventually get orange function keys whenever Phase 5 from the Indigogo Campaign have made the new key caps. So I wanted to mod … Read more

Commodore 64 machine modified to make retro door stop

The C64 Door Stop Mod

Ever wanted to have the coolest door stop of all time? A door stop your (‘nerdy’) friends will envy you for? To have a piece of hardware to show your allegiance to the Commodore 64! This is how my door stop dream came true… I needed … Read more