On 27 Oct 2006 at 0:28, Tony Duell wrote:
YEs, but any correctly-designed disk controller would
use open-collector
drivers, which will appear as floating outputs when powered down.
The OP asked if the sequencing might make a difference. Depending on
design, it might--and powering the CPU then the drive appears to be
safest. Perhaps I should have phrased it that way.
Cheers,
Chuck