Added IDE card, drive numbering screwed up

User Iam vramnum10 at gmail.com
Sat Jul 14 00:36:22 UTC 2007


On 7/13/07, User Iam <vramnum10 at gmail.com> wrote:
>
>
>
> On 7/13/07, GyroTech <gyrotech at freakinabox.com> wrote:
> >
> > >
> > > There should be a setting in the Bios  for that...
> > >
> > > HTH
> > >
> > > me
> >
> > I didn't change anything on the motherboard (first boot device = primary
> > IDE etc...), and the PCI card I have doesn't have anything I can get in
> > to..
> >
> > GT
>
>
>
> I was thinking there should have been some type of setting in the bios to
> recognize  PCI devices.
>
>
> ?????
>
> me
>



I found this on google.

key words  ide=reverse


SOLUTION:
After much Googling, I found that the solution is to use a kernel
parameter "ide=reverse" in the /boot/grub/grub.conf file to force the
kernel to load the ide controller drivers in reverse order from the way
they are found on the PCI bus. (use "lspci" to see the order of your PCI
devices on the bus)


So this is what I did:

0. make a backup copy of /boot/grub/grub.conf
1. edit /boot/grub/grub.conf (you must have root privileges to do this)
and change the default kernel section (usually the first kernel section
listed in the file)

FROM:

title Fedora Core (2.6.7-1.494.2.2)
        root (hd0,0)
        kernel /vmlinuz-2.6.7-1.494.2.2 ro root=LABEL=/ rhgb quiet
        initrd /initrd-2.6.7-1.494.2.2.img

TO: (notice the "kernel" line is changed):

title Fedora Core (2.6.7-1.494.2.2)
        root (hd0,0)
        kernel /vmlinuz-2.6.7-1.494.2.2 ro ide=reverse root=LABEL=/ rhgb
quiet
        initrd /initrd-2.6.7-1.494.2.2.img

After this, I rebooted the computer, and everything was back to normal,
and I can now connect four more drives if I need to.
Hope this helps.
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