Re: IDE UDMA/ATA Suckage, or something else?

Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 13 Aug 2001 21:22:06 +0100 (BST)


> > You must disable IDE prefetch on the current versions of the AMD MP
> > chipset, you may also need to enable "noapic".
>
> Unless I can do it with the kernel, I have no choice. The BIOS has no
> prefetch setting (which, BTW, I had disabled on all my A7V133 boards).
> So what about problems with non MP boards?

Well its entirely possible that the BIOS vendor did the right thing and
made sure you couldnt turn it on. How does your box behave with noapic ?
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