Messages in this thread |  | | Subject | Re: writing OOPS/panic info to nvram? | From | Alan Cox <> | Date | 05 Sep 2002 01:07:01 +0100 |
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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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