hmm, sounds like a high probability, I like that, thanks. I left out some information, the drive makes a high pitch scream when trying to be accessed, it a declining pitch that lasts for about two seconds and repeats every ten seconds or so. Never heard it before on any drives. Also, if it's just diodes, I can do that. I'll take a close look and reply regarding the rev level. Thanks a bunch . . . On 9/1/06, Herbert Graf wrote: > > On Fri, 2006-09-01 at 16:28 -0400, John Remington wrote: > > I recently lost a drive (7200 rpm 40gig Caviar) during a power brown-out > / > > power failure. I wasn't home at the time so I'm not sure about the > > condition other than what I heard . . . people say the power dipped > and > > peaked a bunch of time before going out completely (lightining hit a > main > > transformer). > > > > I didn't have a UPS on the machine that lost the drive (thank God I had > one > > on my server or I would be in tears). The drive has some stuff on it > that I > > would really like to get off of it, but I believe the controller is > cooked. > > > > What do you folks think the chances are of waking this drive up by > > purchasing the same model drive (off ebay maybe?) and swapping out the > > controllers? Would there be more to it, like swapping some firmware > chips? > > The chance of it working are quite high, assuming you get the right > board. > > Controller boards are changed multiple times during the life of a model. > As long as you ensure the drive you buy has the exact same board as > yours you should be good to go. There is no need to swap any chips. > > I've done this sort of thing once, and it worked well. > > TTYL > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist