Posts related to the Commodore 64C personal computer.
Turning the Commodore 64 off and on every time it needs to be reset, may eventually cause the power switch to malfunction or even put unnecessary stress on the fragile chips. Because of this, people have been installing reset switches for years using a momentary … Read more
(Well, it’s still work-in-progress but a protoype should soon be ready for testing…) During the last year or so, new Commodore 64 motherboards (link) and new Commodore 64C cases (link) have hit commercial retro market. On top of this (and hopefully very soon, Phase5!!) we’ll also … Read more
My quest for obtaining the last Commodore 64C motherboard version in my collection (Version B-3) has come to an end! I finally managed to get a copy of the Assy 250466 motherboard for a reasonable price. I got the machine from a guy in England on … Read more
Repairing broken Commodore 64’s is usually a matter of qualified guesswork and quite often substitution of chips is the only practical way to diagnose a fault. At least that is the approach I’m using when trying to resurrect broken machines. The challenge with this method is … Read more
The newly produced Commodore 64 Reloaded motherboards use a barrel connector for powering the system. The problem is that this modern type of connector does not fill the hole of the original Commodore 64C case. I have previously described a 3D printed solution called a ‘Commodore 64 Reloaded Mainboard Power Plate’ … Read more
I have wanted to do some Commodore 64 Kernal modding for quite some time and finally decided to give it a go. I did not want to do anything fancy, I just wanted to customize the text of the C64 start-up screen and modify the … Read more
The EasyFlash is a cartridge for the Commodore 64 expansion port and it can be programmed directly from the machine (link). It has an 1 MB Flash memory to which data can be ‘burned’ onto using the C64 as no EPROM programmer is needed. This gives … Read more
I recently posted images of the different Commodore 64 power supplies (PSU) that I have in my collection. I thought they pretty much represented all the European versions out there and that the so-called ‘repairable PSU’ version was something that was mostly released in the US. So I … Read more