… or another C16 on my bench 🙂
This time, a short post about RAM upgrade in C16 and internal SD2IEC installation plus dual OS ROM.
Some time ago I was asked to make some mods to C16. I had a C16 that had fried TED chip but I didn’t have a replacement for it so this nice Commodore landed on a shelf. However, I’ve managed to order TED from eBay and when it was delivered I could restart working on this machine.
The plan was to install a dual OS ROM, internal SD2IEC and extend RAM to 64K which would result in a machine very similar to Plus/4.
By the way, TED replacement is incoming – ThED project.
Anyway, I’ve started with a RAM upgrade. There are articles with a detailed description of how to do it so there is no need to cover everything here again. First I had to put sockets under two RAM chips and two 74ls257 logic chips. Original 4416 RAM chips were replaced by 41464s. I had to solder a few wires from chips to a switch.
Aaaaaand ready 😀
Next, I’ve soldered all SD2IEC wires and installed it inside a case.
I’ve put two large heatsinks on chips and installed a dual OS ROM with a switch.
Mods finished and another happy customer too … hopefully 🙂
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