Subject: Re: Any objections? Patch to change routine to print ata dma modes
To: Andrew Brown <>
From: Dave Huang <>
List: tech-kern
Date: 11/12/2000 23:44:28
On Sun, 12 Nov 2000, Andrew Brown wrote:
> wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 4 (Ultra/66)
> this is ultra 66.
> pciide0: primary channel interrupting at irq 14
> wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2 (Ultra/33) (using DMA data transfers)
> but now ultra 33?

The drive suports Ultra/66, but the 82371AB PIIX4 controller only
supports Ultra/33... you could get a Promise Ultra66 card (or Ultra100
card, although we don't seem to support actually running at 100). And
don't forget you need that weird 80 pin IDE cable for Ultra/66 and up.
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