Re: Strange Error messages

From: Highbit <highbit_at_no.spam.please>
Date: Tue Jul 13 1999 - 16:25:12 CST

On Tue, Jul 13, 1999 at 07:36:23PM +0000, wrote:

> I know it's hard to beleive this, but I am not overclocking this time.
> Everything is stock.
> One thing I can think of that might be an issue is the way my devices are
> connected. First IDE has my WD HDD and a 32X CD
> Second IDE has my Fujitsu HDD and a CD-RW
> BIOS ("auto" setting for drives and cd) reports all drives as PIO mode 4, and
> UDMA. Hdparm reports that my second HDD is mode 2. Hmmmmm.....
> Perhaps I have my DMA or IRQ setting fubar'ed in BIOS. I'm pulling at straws
> here, aren't I?

i think i'd trust what hdparm pulls out of the drive more than what the bios
thinks...besides, how many 3 gig drives support UDMA speed? ;)

somewhere in your bootup, sooner the better, have hdparm take the DMA setting
off the 3 gig, might have to tell it to set the pio mode back to 2 in case the
ide driver cranked it up.

hdparm -p 2 -d 0 /dev/hdc

unfortuntely, you'll have to play with this a bit, (esp running tests with your
CDR to be sure it will still work once the above is done to it) as i noticed that
your debug msg's turned off the DMA on /dev/hdd as well, so setting a particular
PIO and DMA setting may affect both devices on the same channel, depending on
chipset, course i could be just spreading misinformation again :(

Mark Duguid           Saskatoon, Saskatchewan
MS-Multitasking: sliding ass over to other computer while
                 waiting for first one to (re)boot...
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Received on Tue Jul 13 16:25:12 1999

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