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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Desktops > B&W Startup Disk Mayhem

B&W Startup Disk Mayhem
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Join Date: Mar 2004
Location: UK
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Dec 21, 2004, 06:11 AM
 
Got a rev1 B&W (yes, I know...) can't afford an ATA/SATA controller right now.

I switched the HD to the IDE bus and the Optical drive to the ATA bus in order to try and make it slightly more stable. It worked for a while, but then IE crashed my OS 9 partition. Thing is I can't seem to boot from the optical drive on the ATA bus. (Either the stock CDROM or a DVDROM from a G4 which I installed). If I hold down c during startup with an OS in the drive, the machine fails to boot at all. So I have to switch the drives back over to correct any OS problems. I did this, and OS 9 is now working again, but is showing odd behaviour.

It refuses to shutdown or restart. Icons disappear from desktop, then reappear again. (Like a finder relaunch)
This prevents me booting to my X partition, as even when I set it in startup disk, it reboots into 9 when I have to hit the reset button.

I also have a SCSI drive on an Adaptec 2940UW card, which was my first attempt to workaround the ATA issues. I just saved important things to the SCSI drive. In all the time it has been there, there was only one time it would boot from the SCSI drive - when I first swapped the busses on the ATA drives.
OS 9 on the IDE drive often crashes during startup with both bus and address errors (have to click restart twice). Restarting seems to fix this issue though.

Why won't it boot from CD on the ATA bus? any thoughts?
     
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Join Date: Apr 2001
Location: Long Beach, CA
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Dec 23, 2004, 03:52 PM
 
How many RAM modules do you have? Can you pull one out? Does it make a difference? Try the other(s).

Have you tried a clean OS 9 install? Is that stable? If so, you have software issues--not hardware issues (stop mucking around with your ATA!).

ACSA 10.4/10.3, ACTC 10.3, ACHDS 10.3
     
   
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