Date: Sat, 10 Feb 2001 20:05:58 -0800 From: "Alec Wolman" <wolman@cs.washington.edu> To: "Matthew Emmerton" <matt@gsicomp.on.ca> Cc: stable@FreeBSD.ORG, "Eric Jacoboni" <jaco@teaser.fr> Subject: Re: ata driver and HighPoint HPT370 ATA100 controller Message-ID: <200102110405.UAA90354@miles.cs.washington.edu> In-Reply-To: Message from "Matthew Emmerton" <matt@gsicomp.on.ca> of "Sat, 10 Feb 2001 21:11:39 EST." <002501c093cf$fa1a8810$1200a8c0@gsicomp.on.ca>
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> > I've got my new machine with a Abit KT7A-RAID motherboard. All runs ok > > except something i dont understand with the ata driver. > > > > My box is all IDE : IBM DTLA hard drive as primary master, CDROM as > > secondary master and CD-RW Plextor 12/10/32A as primary master on the > > second IDE controller (HighPoint HPT370 ATA100). > > > > At boot, i get the following messages : > > > > ad0: 43979MB <IBM-DTLA-307045> [89355/16/63] at ata0-master tagged UDMA66 > > acd0: CDROM <ATAPI 50X CDROM> at ata1-master using UDMA33 > > acd1: CD-RW <PLEXTOR CD-R PX-W1210A> at ata2-master using PIO4 > > > > Why the Plextor is not recognized as UDMA ? > > Even though your controller supports UDMA operation, not all devices use it. > A quick scan of the manual for your Plextor seems to indicate that it only > operates in PIO4 mode, and not UDMA33/66/100.. My plextor drive (same model) supports DMA. It is hooked up to a VIA 82C686 controller. Here is the message from my boot probe... acd0: DVD-ROM <TOSHIBA DVD-ROM SD-M1402> at ata1-master using UDMA33 acd1: CD-RW <PLEXTOR CD-R PX-W1210A> at ata1-slave using WDMA2 Alec To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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