Jon Elson wrote: > Douglas Pollard wrote: > >> My air compressor started up the same time I was starting my computer >> and crashed my hard drive. I have a small cheap compressor and its all >> the motor can do to start it and I guess it drew the current down. >> Anyway just something to think about!! >> >> > This shouldn't happen. It is possible the computer's power supply was > on its last legs, and a small voltage dip > caused it to fail at JUST the wrong time. Good hard drives are quite > reliable, too. I had a cheapie Chinese adaptor to > go from 4-pin Molex to SATA power, and it was dropping +12 V at least > once a day for over a week before I figured out > what the problem was. No damaged data, to my amazement. I guess as > long as the +5 stayed up, it wrote out whatever was in the buffer > when I jiggled the cable and got the +12 V back on. > > I had my mains power go off long enough that I was reaching for a > flashlight until the power came back on. It must have been a little less > than a full second, but pretty long in computer terms. I was machining > a part at the time, and the computer, servo drives and spindle > drive all kept running right through the outage! That's what they are > supposed to handle. > > Jon > > ------------------------------------------------------------------------------ > Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day > trial. Simplify your report design, integration and deployment - and focus on > what you do best, core application coding. Discover what's new with > Crystal Reports now. http://p.sf.net/sfu/bobj-july > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > > Jon there is a possibility that the whole thing was nothing more than a coincidence? The computer is old so there may well be a problem with the power supply. It's a $27.00 computer I bought on line for my work shop and to run a cnc bench mill. There could be almost any kind of problem there. Doug
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