CD Driver Disappearing act!
Recently I removed a SCSI hard disk from the G3's internal SCSI chain. Prior to that (internally) it had both 8.4GB ATA and 4GB SCSI hard disks as well as a 12-speed SCSI CD-ROM. Since that change the internal CD-ROM will not show up unless all devices are powered up, which had never been the case before removal of the internal hard drive. According to the Apple System Profiler the driver for device #3 will no longer be available if only the external Jaz and Zip drives are powered up, but will miraculously return if all devices are. (I have screen shots of the System Profiler's results, both before and after, if anyone wishes to see these results.)
The SCSI externals consist of a Zip 100, a Jaz 1GB, a 2GB hard disk and a Sony Spressa CD-burner. All SCSI addresses are as follows:
Internal (ATA) HD = ID 0, fixed
External Jaz 1GB = ID 1
External HD 2GB = ID 2
Internal CD-ROM = ID 3, fixed
External Zip 100 = ID 5
External CD-burner = ID 6
Internal Mac CPU = ID 7, fixed
The cabling order for the above devices is as follows:
Internal (ATA) HD = Internal IDE cable
Internal CD-ROM = Internal SCSI cable
1. External HD 2GB (ID 2) =>
2. External CD-burner (ID 6) =>
3. External Zip 100 (ID 5) =>
4. External Jaz 1GB (ID 1) =>
Any thoughts/suggestions you folks might have for this arrangement would be appreciated.