Subject: Re: Any objections? Patch to change routine to print ata dma modes for more than just pciide
To: Dave Huang <>
From: Andrew Brown <>
List: tech-kern
Date: 11/13/2000 10:29:28
>> 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.

hrm.  well.  this is a laptop, so i gues i'm stuck.  weird that laptop
drives would have capabilities that the laptop would not.

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