Date: Tue, 13 Apr 1999 16:02:19 +0930 From: Greg Lehey <grog@lemis.com> To: Adam Dace <awd@kiwi.pyro.net> Cc: rick hamell <hamellr@dsinw.com>, freebsd-questions@FreeBSD.ORG Subject: Re: Supported Socket 7 Motherboard UDMA Chipsets ? Message-ID: <19990413160219.K74226@lemis.com> In-Reply-To: <Pine.LNX.4.00.9904130119460.9035-100000@kiwi.pyro.net>; from Adam Dace on Tue, Apr 13, 1999 at 01:24:29AM -0500 References: <19990413121808.A74226@lemis.com> <Pine.LNX.4.00.9904130119460.9035-100000@kiwi.pyro.net>
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On Tuesday, 13 April 1999 at 1:24:29 -0500, Adam Dace wrote: > On Tue, 13 Apr 1999, Greg Lehey wrote: > >> On Monday, 12 April 1999 at 10:39:32 -0700, rick hamell wrote: > >> "*at least*"? I don't know any SCSI drives which will sustain 30 >> MB/s. > > Interesting to note that our big RAID 0+1 array at work only can sustain > approx 11MB/sec. Looks to me like UDMA is catching up. :) Real-world UDMA transfer rates currently do peak at about 15 MB/s. It looks like they're catching up. But not all RAID arrays are designed for blinding speed. >> The chip sets for which FreeBSD has specific support are listed in the >> function ide_pci_probe, in /sys/pci/ide_pci.c. The following is the >> listing from 4.0-CURRENT; you'll probably find that one or the other >> is missing in earlier versions. > > I didn't even realize 4.0 was under development. -CURRENT has been called 4.0 for about 3 months. Greg -- When replying to this message, please copy the original recipients. For more information, see http://www.lemis.com/questions.html See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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