Dual Boot SATA and PATA?

[Paul Gear]

The Wassermans wrote:
> ...
>> You definitely should be able to do what you're after.  What order is
>> your BIOS set to boot in?  SATA first?
>>     
>
> I have been changing the order manually during boot-up, depending on
> whether I want Ubuntu or Windows. But I would prefer to have it run
> selectively from the Sata disk.
>   
>> If it's booting from SATA first, then your SATA drive should be (hd0) as
>> far as grub is concerned, and (hd1) should be PATA, although this may
>> not hold true for all BIOSes - i'm not sure whether the order is
>> determined reliably.
>>
>> On my system, it's similar (Ubuntu on SATA, Windows on PATA), but
>> because it books first from PATA, the drive numbers are the other way
>> around.  The relevant parts of my /boot/grub/menu.lst entries look like
>> this:
>>
>>     
> I would appreciate it if you would be good enough to have a look at my version of the menu.lst which follows here:-
>
> ## ## End Default Options ##
>
> title Ubuntu 8.04.1, kernel 2.6.24-22-generic
> root (hd0,4)
> kernel /boot/vmlinuz-2.6.24-22-generic
> root=UUID=7a6224b7-43dd-44f1-9615-9fe469473b8f ro quiet splash
> initrd /boot/initrd.img-2.6.24-22-generic
> quiet
> ...
>
> ### END DEBIAN AUTOMAGIC KERNELS LIST
> ...
>
> # This entry automatically added by the Debian installer for a non-linux
> OS
> # on /dev/sda1
> title Microsoft Windows XP Home Edition
> root (hd0,0)
> savedefault
> makeactive
> chainloader +1
>
>
>
> ----------8<----------
>
> Er,  What does "8<" mean?
>   
It's an old-fashioned pair of scissors - indicating to cut here.  :-)

I think the only problem with your Windows entry is that it's pointing
at the same drive as your Linux install.  I would try hd1 instead of hd0.

Paul

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