Re: Can the "Liron card" run a HD? (was: Re: What kind of ][e card is this?

[nparker@cie-2.uoregon.edu (Neil Parker)]

In article <355be7$8g1@zircon.cs.uow.edu.au> david@zircon.cs.uow.edu.au (David
E A Wilson) writes:
>[...munch, munch, chomp, yum, yum...]
>All this talk about the IWM has raised a couple of questions:
>
>1)	Did Apple every fully document this chip and what it can do?
>	I have looked in the //c Tech Ref Manual (2nd edition) and
>	the Inside Macintosh (Vol 1 or 2) and got a little info but
>	not much.

The IWM chip (at least the programmer's interface to it) is documented
fairly thoroughly in the Apple IIGS Hardware Reference.  Unfortunately, the
Hardware Reference is crawling with typos, most of which are carefully
positioned so as to completely alter the meaning of the statements in which
they appear.  Apple IIGS Technical Note 30 corrects most (but not quite
all) of the errors.

A couple of years ago I posted a couple of articles to comp.sys.apple2
concerning the IWM and the 3.5 Drive...they might be helpful.  They can be
obtained by anonymous FTP from cco.caltech.edu, directory /pub/apple2/info,
in the file "iwmstuff".

              - Neil Parker
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