MacOS 9 vs. linux IDE
bh40 at calva.net
Sat Sep 25 02:01:36 EST 1999
I've done some experiments with MacOS 9. Apparently, the IDE controller
is in a strange state after MacOS shutdown, and this is not related to
the feature control bits of the mac-io. However, I managed to revive it
after writing various values in the IDE control register (+0x160).
It looks like Apple uses bits in the MSB quartet of the IDE control
register, which are, to my knowledge, not defined by the standard.
Someone has an idea about this ? I'll continue my tests until I find
something that works all the time.
Perso. e-mail: <mailto:bh40 at calva.net>
Work e-mail: <mailto:benh at mipsys.com>
BenH. Web : <http://calvaweb.calvacom.fr/bh40/>
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