On 02/02/2017 07:32 PM, Francesco Messineo wrote: > And it's dead again :( > I was typing the cbmlink bootstrap basic program. > I saved it on tape and I was trying the first test runs as it just died on me. > Now at reset it clears the video memory and sometimes it displays a > few random characters but most of the time the screen remains just > blank. > I'm going to try to substitute the kernel ROM since on one of my > programmers refuses to read entirely (on another one reads fine every > time). > With no kernel ROM, the screen remains full of characters as it should. > Ok... old hardware isn't so easy to fix after all. Could be a bad RAM. As far as I know, the 3032 uses 2 banks of 4116 DRAMs. You can swap both banks by desoldering and then crossing 2 resistors. If it's RAM, that should make the system behave differently. Which ones? For that I would need the schematics... Anyone have them? Gerrit Message was sent through the cbm-hackers mailing listReceived on 2017-02-02 20:00:02
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