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Re: New HD, DMA, errors...

On Sun, Oct 03, 1999 at 09:16:20PM -0300, Nicolás Lichtmaier wrote:
>  Hi! I've bought a new HD and I'm having troubles with it. It's a Seagate
> ST310232A (10 Gb).
>  Boot:
> PIIX4: IDE controller on PCI bus 00 dev 39
> PIIX4: not 100% native mode: will probe irqs later
>     ide0: BM-DMA at 0x1020-0x1027, BIOS settings: hda:DMA, hdb:DMA
>     ide1: BM-DMA at 0x1028-0x102f, BIOS settings: hdc:DMA, hdd:pio
Most of mother boards don't like  to manage both UDMA & PIO MODES upon the
same IDE interface, so the setting is usuallly downgraded to the lowest mode
, which is the PIO one.

First, check the BIOS setup to see if you can manage differents modes
on a same interface, by setting it on the *real* modes (not auto).
(but even with that you have the risk to become stuck unpredictably)

If you MB can't do that, You can avoid the errors you've got by a well 
done setup of the line "hdparm" in /etc/rc.boot/hwtools (with the 
hwtools parckage installed, of course :)
See "man hdparm", and set the both of your HDz on IDE 1 to the PIO mode.

Of course, it could be much more insteresting, in terms of rapidity,
to put the CD-ROM drive and the PIO mode HD on the SAME interface.
And to keep them in PIO mode.

its up to you...


Jean-Yves F. Barbier <jybarbier@wanadoo.fr>
 "Oh, I've seen copies [of Linux Journal] around the terminal room at The
(By Dennis Ritchie)

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