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SubjectRe: IDE problem (VIA82C586, kernel 2.2 and 2.4)
On Wed, Jul 12, 2000 at 11:45:30AM -0400, Mark Hahn wrote:
> > I have troubles using IDE disk with recent versions of Linux kernel.
>
> none of the kernels you list are recent.
>
> > - MB: Chaintech PA-2013 with VIA Apollo VP3 chipset
>
> I'm sorry ;)

s/Chaintech/FIC/ ;( I'm sorry too, though I assume there's not much difference

>
> > - CPU: AMD K6-III 350 Mhz
> > - RAM: 128Mb PC-100 SDRAM
> > - HDD: IBM DPTA-371360
>
> nice disk, cheesy CPU/dram/controller...
>
> > I use "hdparm -d1 -X66 -m16 /dev/hda" to tune IDE subsystem at startup.
>
> btw, -m only applies to PIO. with modern kernels, you shouldn't have
^^^^^^^^^^^^^^^^^^^^^^ didn't know, thanks

> to -d1 or -X66. what happens if you don't -X66 (just -d1)?
I know, I use this command just to be sure :)

>
> since you're using udma (according to your hdparm output) there's essentially
> no chance the corruption is due to the drive or controller. but K6-3's are
> quite hot, and super-7 boards are notoriously touchy about ram...

Actually my CPU is underclocked from its nominal clock speed of 400Mhz
due to overheating :(
Do you think that changing bus clock from 100 to 66 MHz is
going to help?

>
> > without an error 3 or 4 times. After re-enabling DMA read errors started
>
> how long is your ide cable? and where is the disk plugged in?
The disk is mounted in 5.25'' bay and has 2 coolers near it.
It feels cool enough.
Can't say much about ide cable length without pulling it out ;)


> what if you switch to mode1 udma (as an experiment, -X65)?

I tried -X34. Did not help.

>
> regards, mark hahn.

Thanks for your quick reply :)

:wq
With best regards,
Vladimir Savkin.


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