On Tue, Jan 16, 2018 at 1:55 PM, <silverdr@wfmh.org.pl> wrote: > >> On 2018-01-16, at 13:10, Baltissen, GJPAA (Ruud) <ruud.baltissen@apg.nl> wrote: >> >> IMHO the best option is to create a ROM that only focuses on testing the RAM. And like the original ROM does, use the LED to tell you things are OK or bad. >> >> Notes: >> - I only hope you don't have to desolder the original ROM. >> - Use this ROM to test other things as well, like the 6522s. > > I second that - it should be quite easy to write such firmware and as an icing on the cake you could output faulty locations using "CW-like emission" (you know what I mean :-) on the LED :-) 73! of course I know ;-) Ok, well, on the next desperate 1541 that I get to repair, I'll consider this approach. F Message was sent through the cbm-hackers mailing listReceived on 2018-01-16 15:00:03
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