Re: Convenient way to enable IDE DMA
On Mon, 26 Aug 2002, Nate Eldredge wrote:
> On Mon, 26 Aug 2002, Nate Eldredge wrote:
>
> > The other question is how it should be enabled. One way is "hdparm -d 1
> > /dev/hd?" or moral equivalent in an init script. Another way appears to
> > be "hda=dma ..." or "ide0=dma ..." on the kernel command line, though I
> > haven't tested this yet. Apparently there are also CD-ROM drives for
> > which it should not be enabled.
>
> Further info: "hda=dma" doesn't seem to exist, I was mistaken. "ide0=dma"
> doesn't actually enable dma, for some reason. "ide0=autotune" doesn't
> either. Grr.
... which is apparently because ide is a module in the 2.4.18 kernel image
package. So in order to set it, it looks like I have to change it in the
initrd filesystems and rebuild the image. Even more of a pain.
--
Nate Eldredge
HMC CS Staff
nate@cs.hmc.edu
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