IIRC, all the 1disk patch does is change the line:

while(on_if0<2 && retries<20);

to

while(on_if0<1 && retries<20);

in ide-probe.c. MLord's patch set actually does this too. Any 1disk patches from previous kernels should therefore still work to patch 2.0b3 source.
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- Tony C
my empeg stuff