On 21/07/2014 6:50 AM, email@example.com wrote: > Hello! > > W dniu 2014-07-20 15:38, Julian Perry napisał(a): > >> As dodgy as it sounds, you might try switching 5/6/7/8 ALL CLOSED >> (making >> drive selects 0,1,2,3 ALL responsive). Unlike Head select (which is a >> binary word) - Drive select are actual individual select lines. > > I went home and tried that, but after I turned the computer on, > something very wrong happened to the drive - it does not spin. The LED > flashes an error message, which according to the technical manual > indicates "Index pulse not detected during spinup" which as I > understand indicates that the drive CPU detected that it cannot spin. > > I think the drive just died :-( > Cable accidentally refitted wrong way around? > Oddly, the computer failed too and now indicates "RAM Error" on > startup. I wonder whether these two issues are related, but I have no > idea how. > > Now I need to find TMS4256 chips to replace the RAM in the computer, > hopefully it will fix the issue. As for the drive, I am afraid it's > over... > If it doesn't spin there is possibly a microfuse somewhere near the power connector that has popped . Follow the 12V line it will be in series with it. Message was sent through the cbm-hackers mailing listReceived on 2014-07-21 00:00:02
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