Re: kx133 dma

From: David Ford (
Date: Tue Apr 25 2000 - 12:20:38 EST

Alan Cox wrote:

> > > isn't there some way to grab or determine the clock info? we can't possibly
> > > expect anyone other than hardcore hardware and IDE people to know this kind of
> > > information.
> >
> > NOPE........
> Then how do the windows drivers do tuning. Things like the promise cards
> that you can validly shove into a 25MHz PCIbus

how about blind testing. set at 25 Mhz, run heavy test, set at 30, run test, set at
35, run test...etc. repeat until fail and back down.

this can be done on boot or have the state stored in userspace.


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