On 22/07/2014 5:07 PM, Michał Pleban wrote: > Hello! > > MikeS wrote: > >> It sure does sound like a power supply issue; I've seen very few drives >> that would not spin up when power was applied (except in cases where the >> head(s) were stuck to the platter(s)), but I've seen many instances of >> the power supply being defective or shutting down due to too heavy or >> too light (!!) a load. > That was the case with the 610 power supply which was too weak to spin > the drive, but the 710 power supply worked well. I sure hope I did not > stick the heads to the platter when I was moving the machine... on every > power up the drive backed up the head to the "0" position so hopefully > it was not the case. Cracking stiction is easy, just hold the drive firmly and give it a couple of short sharp flicks with your wrists in the direction of platter rotation (either way, just don't do it vertically), but that is unlikely to be your problem IMO. >> The power connector was also pretty flimsy on some drives and would fail >> after plugging it in and out a few times. >> Definitely check both +5 and +12 on the drive's PC board at the connector. > The connector looks good and at least the +5V is applied because the > drive board reports the error. I will unscrew the board from the > mechanics and measure the +12V in various places. > > Sounds like a plan. Message was sent through the cbm-hackers mailing listReceived on 2014-07-23 00:00:35
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