User`s guide

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From: Supertimer
022- I've heard that Apple's Hi-Speed SCSI card does not
allow swapping Zip disks without turning OFF the
computer.
Is this true?
No. The Apple Hi-Speed SCSI interface allows ejecting and swapping
removable disks. With a partitioned Zip disk (or CD-ROM), you have to lasso or
shift-click to highlight all the partitions and drag them to the trash to eject
the disk. (As long as one partition remains on the desktop, the disk stays in.)
There is no need to turn off the computer to swap disks.
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From: Gareth Jones
023- What can I do after the Zip drive connected to my
Apple SCSI goes into Sleep Mode?
A solution is "goosing" the drive by manually ejecting and reinserting it.
Apparently, using the SCSI driver for the Apple Card that was sold by Tulin
Technologies solves a lot of troubles with the Apple card and a Zip drive. You
can get the Tulin SCSI driver from Mr. Wing Chung ([e-mail])
for $20.
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From: From: Tony Cianfaglione
024- What is the "Click of Death"? Is there a fix?
Your drive starts to make repeated clicking sounds and soon fails. Disks in
a drive which Clicks may be corrupted and, if placed in a good drive, may cause
a good drive to start Clicking.
If your Zip drive starts to do noticeable clicking, the standard advice is
to immediately eject the disk or, if this is not possible, turn OFF power to the
drive (or pull out the power connector on the side of the drive). This may save
the drive if the disk is bad or save the disk if the drive has gone bad.
The reason for click death is that the lube on the two tiny square rails
that the head assembly travels back and forth on dries out! (Evidently, Iomega's
earlier machines used better quality lube than that used in some later
production runs.)
When the head assembly can no longer reach track 0, the drive thinks it's
there so it writes track 0 elsewhere on the disk. Later, when even that track 0
can't be found, the drive beats itself to death trying to find track 0. This is
why click death disks can damage a good drive as the drives beat themselves to
death trying to read track 0 on the bad disk. I've successfully repaired the
drives by opening them up and relubing the rails with a good lube.