23.011 Is a CMS SCSI interface card adequate for connecting a Zip drive?
Description
This article is from the Apple II Csa2 FAQ, by Jeff Hurlburt with numerous contributions by others.
23.011 Is a CMS SCSI interface card adequate for connecting a Zip drive?
I have had a Zip Drive hooked to a CMS SCSI card (1990 ROM) for 2-3 years
in my IIgs without a hitch. Basically you just go into the setup for the CMS
card. It will partition the drive into 32 meg sections which you can access two
at a time-- It makes three on a Zip disk. Then once GS/OS is booted it tells
you that the disk is unreadable and asks if you want it formatted and you hit
ok for each virtual drive and there you have it. (I never tried formatting it
with HFS since I didn't need a partition l
arger than 32megs.)
The one thing to remember is DON'T EJECT THE DISK while booted. Go to
shutdown first and, when it tells you to shut it off, then change disks.
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By: David Empson
I would strongly discourage using the CMS card. It is designed to work
with CMS hard drives. I don't know how well it can handle removable SCSI
devices; and, it might not be able to handle more than 64 MB. So even if you
can get the card to work with the ZIP drive, you may not be able to access all
of the disk.
Another problem is that the CMS card doesn't support the standard
partitioning scheme used by other Apple II SCSI cards. It uses a set of
jumpers on the card to configure the partition sizes, and doesn't support the
partition map mechanism at all. In other words, it uses "hard partitioning".
See if you can get hold of an Apple or RamFast SCSI card, which follow all
the standards as far as partitioning goes.
By: Rubywand
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