Question about Apple Power Mac G5 Desktop

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My PowerMac G5 tower freezes up on reboot with world icon.

I attached a new external hard drive and now it freezes up on reboot, a week later! I've narrowed it to a SCSI chain problem, yet I don't know know to change the name of the SCSIs. Can anyone help? I am not restarting it right now because I have to unattach the peripherals every time. 
Shelley

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Unsure what you mean by "change the name". SCSI chains rely on "SCSI IDs" typically numbered 0-7 or 0-14. You will need to detach the SCSI drive, boot the machine, in the blue apple in the upper left navigate to About This Mac -> More Info -> Hardware -> Parallel SCSI and look for what SCSI IDs are already in use, then shut down, change the DIP switch on your external SCSI drive to an open (unused) number to avoid conflicts, reattach, this should eliminate the conflict. The DIP switch number equals the sum of the numbers you have set the switches to, so if you flipped the switches on 1 and 2, the drive's ID would be 3.

Posted on Jan 27, 2009

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