Basic IDE Controller Card - to wait, or not to wait....
Michael L Torrie
torriem at chem.byu.edu
Mon Nov 13 16:35:54 MST 2006
On Mon, 2006-11-13 at 15:59 -0700, Shane Hathaway wrote:
> Jeff Schroeder wrote:
> > Kenneth wrote:
> >> The local CompUSA has a cheap card which I can pick up tonight, but I
> >> am not sure it would be compatible with Linux.
> > Because the IDE card should really only be providing a BIOS link to your
> > hard drives, I don't think you need to worry about compatibility with
> > Linux or any other OS. As long as the card provides whatever
> > hardware-level magic the BIOS requires to tell the kernel about the
> > drive, you should be fine.
> I don't believe that's true. Although GRUB uses BIOS to load the
> kernel, Linux doesn't use BIOS to actually talk to the drives. There
> needs to be a Linux driver for the card.
True. You can disable your drives entirely in the BIOS and linux will
still see them through its own drivers. You most definitely *do* need
driver support for any IDE controller card you add. I've always had
good luck with cards like the promise IDE 133.
> However, there's a good chance the card uses a common chipset, so I bet
> some driver in Linux 2.6 supports the card. The main risk is that you
> might lose 15% of your purchase price and a couple of hours. That's not
> a bad risk.
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