Messages in this thread | | | Date | Thu, 12 Oct 2000 23:01:27 -0700 (PDT) | From | Andre Hedrick <> | Subject | Re: Incorrect UDMA timing on VIA vt82c596b |
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On Tue, 10 Oct 2000, Vojtech Pavlik wrote:
> On Tue, Oct 10, 2000 at 12:20:07PM -0400, Mark Hahn wrote: > > > > Btw, reading the ATA/ATAPI-6 specs I think UDMA66 should work on a > > > setup where would be just one drive and a really short, 40-wire cable > > > without problems as well. I've even seen systems shipped like that. > > > > uh, what part of the spec leads you to that conclusion? > > I've haven't seen a draft more recent than ~1h2000, but > > they've been unambiguous about absolutely requiring > > 80-conductors for >= ata66, and that two-connector cables > > must be 5<=l<=18, and three-connector cables 10<=l<=18. > > ATA/ATAPI-6 draft rev. 0a, page 14 (sheet 28 of 404), table 2, row 4, > column 1, plus comment 4 in the same table. > > And from the engineering point of view, it seems reasonable, too.
Hi Mark,
This is the stuff that is not clearly drafted the shews. You need the stuff I am forwarding to get the twist. Less the kernel list.
Cheers,
Andre Hedrick The Linux ATA/IDE guy
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