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Schematics now available for A501 replacement card
Schematics now available for A501 replacement card!
Find them on the main project page, located here.
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Added some new photos for A501 replacement
Added some new photos of the populated PCB for the Commodore Amiga A501 memory replacement card.
Find them on the main project page here.
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Cause of original instability and boot problems on the original A500 identified
So the very first A500 I had been testing on since the beginning of the project had a Bug Katcher installed. It turns out that I wasn’t really using it, but I left it plugged in anyways. I’m not sure...
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I’ve finished the v2 prototype board, and while everything is much cleaner, it’s still not working “out of the box” This time, I’ve got some headers in place to make hooking up the logic analyzer easy.
I’ve got to get some measurements if I have any chance of figuring out what is wrong.
The amiga won’t boot with the chip enabled, but if the chip is disabled, then the amiga doesn’t detect the extra ram….. more on this later.