Thanks.
It seems to boot OK with both HD's installed. Perhaps that's because the
ribbon cable for IDE connection selects the right HD for me? I'm using
XXClone. Have you heard of it?

"M and D" wrote:

> I see what you're getting at, but I don't think it's a good idea to make incremental backups of a system partition. For a system partition, you want full backups, for maximum safety. FWIW I clone my system partition (with Norton Gost 10) every day to a second hard disk and weekly to DVD.
>
> To answer your question, I think all cloning software uses a proprietary file format, so your computer won't think you have two copies of XP. What you don't want is two active partitions in the same computer. That's a gotcha that sometimes snares people who are upgrading their hard disk.
>
> Steven
>
> "***TominFL***" <TominFL@discussions.microsoft.com> wrote in message news:5D1B1E95-DA17-4C92-B7EE-706FF3231BFC@microsoft.com...
> >I have XP, SP-2 working fine on one 160 GB HDD now. I've just installed a new
> > 250 GB drive and want to use a cloning software to provide an incremental
> > backup of all that is on my 160. Will XP allow me to keep both HD connected
> > even though both have an identical active primary partition (after I finish
> > the clone)? Is there a KB that covers this question? I couldn't find it.
> > Thansk for any help.
>