Date: Thu, 07 Sep 2000 23:18:28 -0400 From: Mike Tancsa <mike@sentex.net> To: "graphics" <lart@mfn.org> Cc: <questions@freebsd.org> Subject: Re: ATA66 troubles under 4.0R vs 3.4 Message-ID: <4.2.2.20000907231424.038e4d90@mail.sentex.net> In-Reply-To: <0b5001c01941$a8754440$c991f280@mfn.org> References: <0ad401c0186b$ddaddc20$c991f280@mfn.org> <20000907112141.H7718@wantadilla.lemis.com> <SEN.968301721.831641292@news.sentex.net> <39b84070.1385916732@smtp.sentex.ca>
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At 10:05 PM 9/7/2000 -0500, graphics wrote:
> > No, not necessarily. There are some compatility issues with particular
>IDE
> > controllers using the ata drivers vs. the wd drivers.
>
>Yes, this is what we saw in the archives as well: it is what was meant by
>"things you would normally expect...".
>
> > Especially some VIA
> > chipsets as well as CMD. Also, you want to be using 4.1, not 4.0.
>
>Have these issues been addressed in 4.1?
Some of the chipsets seem to be just plain broken in any UDMA mode. What
controller chipset are you using ?
Personally, I have beaten the snot out of
Intel PIIX3 DMA 2 (WDMA2), 16 MB/sec
Intel PIIX4 Ultra DMA 33 (UDMA2), 33 MB/sec
Promise Fasttrak-66 Ultra DMA 66 (UDMA4), 66 MB/sec
since 4.0.. No problems what so ever, although I have only used the promise
for a month or so. You might want to look specifically for your controller
chipset in the STABLE archives to see what others have experienced.
---Mike
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Mike Tancsa, tel +1 519 651 3400
Network Administration, mike@sentex.net
Sentex Communications www.sentex.net
Cambridge, Ontario Canada www.sentex.net/mike
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