Messages in this thread | | | Date | Tue, 28 Jul 1998 20:09:49 -0400 | From | Mark Lord <> | Subject | Re: 2.1.111: IDE DMA disabled? |
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Linus Torvalds wrote: > > On Sun, 26 Jul 1998, Alan Cox wrote: > > > > > Personally, I never understood why DMA was enabled by default anyway. As > > > far as I can tell the only sane thing is to have it always disabled by > > > default, and enable it with hdparm. > > > > Its a factor of 10 speedup in effective throughput. It was turned on by > > the BIOS - which may have configured aspects of the firmware we don't even > > know about for DMA only operation. > > BUT THERE HAVE BEEN REPORTS OF CORRUPTION WITH IDE-DMA FOR TOO LONG,
Please produce documented cases of such.
-- mlord@pobox.com The Linux IDE guy
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