Messages in this thread |  | | Date | Sat, 14 Oct 2000 09:47:50 +0200 | From | Vojtech Pavlik <> | Subject | Re: Incorrect UDMA timing on VIA vt82c596b |
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On Tue, 10 Oct 2000, Vojtech Pavlik 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.
On Tue, Oct 10 2000, Mark Hahn wrote:
> > > 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.
On Tue, 10 Oct 2000, Vojtech Pavlik wrote:
> > 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.
On Thu, Oct 12 2000, Andre Hedrick wrote:
> 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.
"The stuff you're forwarding", doesn't touch the table mentioned by me, that suggests 66 MB/s operation in a point-to-point, 40-wire setup. It's not relevant.
-- Vojtech Pavlik SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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