Dual Boot SATA and PATA?

[The Wassermans]

On Thu, 2009-11-12 at 06:34 +1000, Paul Gear wrote:
> 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.  :-)

Oh, of course, I can clearly see the scissors now!  It is all in the eye
of the beholder.


> 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.

How simple.  Thank you so much Paul.

Regards
Dave W