Re: 2.4.18 beats 2.5.50 in hard drive access????

Alan Cox (alan@lxorguk.ukuu.org.uk)
06 Dec 2002 23:20:45 +0000

On Fri, 2002-12-06 at 19:29, David Ashley wrote:
> ide0: BM-DMA at 0x1880-0x1887, BIOS settings: hda:pio, hdb:DMA
> ide1: BM-DMA at 0x1888-0x188f, BIOS settings: hdc:pio, hdd:DMA

When we read the settings DMA was disabled on hda and hdc. We therefore
assumed the BIOS did that for a reason and followed caution.

What happens if you do

hdparm -d1 /dev/hda

?

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