On Thu, 2002-09-05 at 00:34, Paul Mackerras wrote:
> IDE was relatively straightforward since you can do basic block I/O
> with just the ATA-1 or ATA-2 registers and command set and PIO. In
> contrast, I believe SCSI defeated him. :)
You have to reset and retune the interface/controller registers as well,
otherwise bad things can happen. Rusty will be happy to know that next
generation SATA drops the PIO interface for a demented PIO via DMA setup
8)
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This archive was generated by hypermail 2b29 : Sat Sep 07 2002 - 22:00:23 EST