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Re: Problem with Universal Disk Controller



AppleCPM wrote:
Hi, y'all!

    As long as we're discussing the UDC, I thought I'd see if I could
clear up some of my confusion about the card.  I've had one for quite
some time but have been reluctant to test it because I don't know what
drives can be connected to it.  I did just visit the A2Wiki and see
that I can't use it with a 3.5 inch Unidisk drive.  My understanding
is that you can use up to four drives with the card and that they can
be either 5.25 inch or 3.5 inch drives.  Do they need to be in any
particular order?  Will a 1.44 MB drive work with the card?  How about
early Mac drives like the M0130 (I think that's the model number)?

There are two firmware versions that I'm aware of. One of them supports the Unidisk 3.5 and the other supports the newer 3.5" drive (no internal controller). They are mutually exclusive.