[linux-help] Re: how to install Redhat6.2 on a ultra66 hard disk.
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On Wed, 08 Nov 2000, you wrote:
> Hello everybody,
> My computer has a Promise ultra66 controller. My hard disk supports
> ultra66. Do you know how to install redhat 6.2 on that disk which is
> plugged to ultra66 controller?
> On Promise web page (www.promise.com) there's a guide to install redhat
> 6.0 to a ultra66 hard disk. It seems to me that it doesn't work with
> redhat 6.2. They say that kernel of redhat 6.1 and later versions
> support ultra66. If we want to use that feature, we have to recompile
> the kernel. I can recompile the kernel, but I'm not sure if I know where
> the option that enables ultra66 is and I'm not sure if we can boot linux
> directly from a ultra66 hard disk after we recompile the kernel or we
> cannot do that but redhat will regconize any ultra66 hard disk with the
> condition that we have to boot linux from IDE.
> Do you have any experience about that? If you've done it before, tell me
> what you do please.
> Thank you very much.
on lilo or loadlin's command line type
<kernel image> idebus=66
and in /etc/lilo.conf
add to the linux (or other kernel image)
By default, redhat (at least) uses an idebus of 33 which will work on a
(ATA, UDMA, etc)-66. I have noticed no difference between them, but my
primary drive is 5400rpm, so it probably can't go faster than 33.
Hope this helps,
If you get multiple copies, delete them, or go fix kmail on alphas ;)
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