Re: setting ultra DMA for hdd at boot time?
On Fri, Nov 09, 2001 at 01:46:25AM +0100, Steffen Evers wrote:
[...]
> A problem I have encountered is that my harddiscs are not in UDMA mode
> after boot up. Ok I can set them with hdparms every time and could also
> put that in a boot script, but there should be better way as most drives
> are now UDMA and things like sound or video output is really bad without
> it and of cause copying takes lifetime without it.
I don't think it's such a bad thing to do to put one or more hdparm
commands into /etc/init.d/bootmisc.sh for instance.
>
> I have played around with module parameters, but without success. So,
> can someone describe exactly what I have to do?
>
Have a look at Documentation/ide.txt in the kernel-source tree.
"idex=dma" might do what you want. You shold be able to use it both as
a kernel parameter and a module option.
Greetinx
xio
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