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SubjectRe: UDMA66/100 errors...
On Tue, 14 Nov 2000 wrote:

>Date: Tue, 14 Nov 2000 01:08:51 +0000 (GMT)
>To: Linux Kernel Mailing List <>
>Content-Type: TEXT/PLAIN; charset=US-ASCII
>Subject: Re: UDMA66/100 errors...
>Mike Harris wrote..
>>I'm getting the following error when I try and enable UDMA on my
>>new IBM Deskstar UDMA100 drive:
>> DMA modes: mdma0 mdma1 mdma2 udma0 udma1 *udma2 udma3 udma4 udma5
>Ok, the drive supports UDMA5 (ATA100)


>> setting xfermode to 67 (UltraDMA mode3)
>>ide0: Speed warnings UDMA 3/4/5 is not functional.
>Why can this be?

I have Quantum UDMA/33 on Master and IBM UDMA/66 on Slave? Just
an idea..

>>00:07.1 IDE interface: VIA Technologies, Inc. VT82C586 IDE [Apollo] (rev 10)
>This chipset only does up to UDMA2.

This motherboard states that it does ATA/66. I suspect that it
is the Linux IDE driver biting me this time.. ;o(

Time to upgrade kernels..

Mike A. Harris - Linux advocate - Open source advocate
This message is copyright 2000, all rights reserved.
Views expressed are my own, not necessarily shared by my employer.

[Favorite quotes of Linus Torvalds - Sept 6, 2000]
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