> CS is a valid way, according to the ATA spec, of selecting the drive. It's not
> commonly used as it requires a crossover cable (I may be wrong). The most
I don't think it's a crossover as such. If memory serves, one conductor
is cut between the two drives. There is a weak internal pullup on the
drive, and the CS line is tied to ground on the host card, so one drive
sees a logic 1 and the other a logic 0. It's something like that,
anyway.
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