This has been bugging me all day, appreciate a few other eyes before I claw mine out.
I have a Macintosh IIcx. Had some decent capacitor damage with no perceptible battery damage. Washed the board well, recapped with tantalums, had to create a bridge to complete the startup circuit. It's otherwise acting pretty darn great.
Except for the floppy drive.
When a floppy is first inserted, things work great, and then it quickly goes into a state where the Mac is unresponsive or pausing until it's ejected. Booting off a freshly created disk will boot, and then will never boot from that disk again. Running Disk First Aid on the disk says that the contents of the disk can't be read when reading the catalog b-tree. So, replaced that drive with another drive I cleaned -- same symptoms. Swapped the floppy cable -- same symptoms. I guess that means either both drives have the same problem, or something's wrong on the IIcx. So, here's the fun part. If I flip the write protect switch on the disk itself, the floppy will continue to work indefinitely. No issues at all.
I created an image of the floppy disk after the IIcx ate it, and it looks like it obliterates track 0. Can anyone think of a reason why a machine would do that if it's not the floppy drive that failed. Or, alternately, maybe the same thing busted on two of my floppy drives?
Any ideas are welcome. Thank you.
I have a Macintosh IIcx. Had some decent capacitor damage with no perceptible battery damage. Washed the board well, recapped with tantalums, had to create a bridge to complete the startup circuit. It's otherwise acting pretty darn great.
Except for the floppy drive.
When a floppy is first inserted, things work great, and then it quickly goes into a state where the Mac is unresponsive or pausing until it's ejected. Booting off a freshly created disk will boot, and then will never boot from that disk again. Running Disk First Aid on the disk says that the contents of the disk can't be read when reading the catalog b-tree. So, replaced that drive with another drive I cleaned -- same symptoms. Swapped the floppy cable -- same symptoms. I guess that means either both drives have the same problem, or something's wrong on the IIcx. So, here's the fun part. If I flip the write protect switch on the disk itself, the floppy will continue to work indefinitely. No issues at all.
I created an image of the floppy disk after the IIcx ate it, and it looks like it obliterates track 0. Can anyone think of a reason why a machine would do that if it's not the floppy drive that failed. Or, alternately, maybe the same thing busted on two of my floppy drives?
Any ideas are welcome. Thank you.