Disk Error - iMac G5 help!

Discussion in 'Macintosh Computers' started by Xenious, May 29, 2005.

  1. Xenious macrumors 6502a

    Mar 22, 2004
    Texas, USA
    My wife turned on her iMac G5 (rev a) 1.8 20" this morning and it couldn't find the filesystem (little folder switching between ? and the mac face). I did a quick hardware test and came up with a "disk system" error: 2STF/2/3:S-ATA Bus 0 - Master. Anyone shed light on what that means?

    I can hear the disk spin up and initially read it (nothing sounds mechanically wrong). It is plugged into an APC Smart-UPS (so power surge shouldn't be an issue). If I boot to the install disk I cannot run a disk check because it doesn't see a partition on it. Startup disk selecter is no help because it can't find the OS partition. When I run the hardware test I get the error above. I suspect the disk is OK and the data intact, but there might be a controller issue?? I don't have any other disk utilities to try and check it.

    I think this machine is still running 10.4.0 (obviously I can't check).

    Thanks much for any help, I thought I'd try here before braving an Apple Support call. ;)

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