Customers have reported that after updating the hard disk driver on their internal IDE hard disk with Drive Setup version 1.2.2, the internal IDE hard disk does not mount if they use another SCSI hard disk as the startup disk.
Drive Setup 1.2.2 is included as part of MacOS 7.6. There have been reports that the problem has also occured with an earlier version of Drive Setup, version 1.1.
The problem is not unique to MacOS 7.6 and can occur under earlier versions of the MacOS with Drive Setup 1.2.2.
The problem only occurs when restarting the computer (for instance, choosing restart from the 'Special' menu in the Finder). The problem does not occur if the computer is started by a 'cold boot' - either choosing 'Shut down' from the Finder's Special menu or turning on power to the machine.
The problem does not under occur the following circumstances:
- starting up from the Power CD (the system software CD provided with the computer).
- when the IDE hard disk has a system folder and the IDE disk is selected as the startup device in the Startup Disk Control Panel.
- when the PowerBase computer is configured with only an internal IDE hard disk drive.
Power Computing engineering is investigating the cause of the issue and will work with Apple Computer as necessary to find a resolution.
Workarounds:
Please try the following workarounds:
- Choose 'Shut down' from the Special Menu in the Finder, wait 30 seconds, and power on the computer instead of using 'Restart'.
- Use the IDE hard drive as the startup volume by installing a system folder on the IDE hard drive. Specify the IDE hard drive as the startup device using the Startup Disk Control Panel.
- Backup and Reformat the drive with Drive Setup 1.2. In initial testing the problem does not appear to occur with this version of drive setup. It is available in the utilities folder at most Apple SW Update FTP sites.
Machines Affected: PowerBase