Date: Mon, 20 Apr 1998 15:20:32 -0500 (EST) From: "John S. Dyson" <toor@dyson.iquest.net> To: mike@smith.net.au (Mike Smith) Cc: kpielorz@tdx.co.uk, mike@smith.net.au, hardware@FreeBSD.ORG Subject: Re: best wdc0 flags ? Message-ID: <199804202020.PAA03068@dyson.iquest.net> In-Reply-To: <199804202010.NAA01631@dingo.cdrom.com> from Mike Smith at "Apr 20, 98 01:10:23 pm"
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> > Mike Smith wrote: > > > > > > The natoma apparently pushes the timing to the limit, and crappy > > > > drives can't keep up (btw all my Maxtors works just fine)... > > > > > > If we can confirm this, then it would be wise to add a quirk entry for > > > the Quantums, and go forward with the 32-bit transfer as default. > > > > Thus far they are working OK under 3.0-CURRENT (as of 15th(ish) of April) - > > and I'm using "flags 0xa0ffa0ff", which I beleive is bus-mastering 32 bit > > "max. multisector" the drive will negotiate for... > > Using DMA avoids the whole 32-bit-transfer issue. (No programmed I/O) > Oh, that's right. The multi-block mode ends up being superfluous also. John To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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