On Thu, 10 Aug 2000, Theodore Ts'o wrote:
> Date: Wed, 9 Aug 2000 13:19:43 +0200
> From: Jamie Lokier <lk@tantalophile.demon.co.uk>
>
> Theodore Ts'o wrote:
> > * Use PCI DMA by default in IDE is unsafe (must not do so on via
> > VPx, x > 3) (requires chipset tuning to be enabled according to
> > Andre Hedrick)
>
> I had a VP2/97 which always hung the machine eventually, when PCI DMA
> was enabled. However with hdparm -X34 -d1, it was reliable. Is that
> handled in the chipset tuning?
I should, because the revision tests should max speed that HOSY th
Multiword DMA mode
In 2.4 kernels if you have the VIA_TUNING enabled, the setfeatures call of
settransferrate should invoke a command to the chipset to reprogram it.
> I mention this because x < 3.
>
> This is a typo in the list; it should be "x < 3". My fault, I screwed
> up while converting the list to HTML format.
>
> - Ted
>
> -
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>
Andre Hedrick
The Linux ATA/IDE guy
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