Performing Surgery on a Tandy Color Computer 3
My Color Computer 3 died on my just an hour before this past weekend's CoCo TALK and I had to demo something in an emulator. Sad times, but, with the help of the CoCo community I have a lot of things to try to do to troubleshoot, and hopefully repair this beloved machine of mine, let's do this!
We ended up being able to fix two of my 512K Tandy Color Computer 3 computers. Both had the same problem and solution, which was to remove and replace the 512k upgrade boards.
One CoCo had a Canadian Disto 512K upgrade board, the other, had an earlier Cloud 9 512K upgrade that used old SIMM memory chips.
Both were brought back to life by just reseating the RAM upgrades.
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