I think I found an old kb-article that pretty much describes how that can be done.
http://support.microsoft.com/kb/89701
I'm no expert on the matter but I think you're implying to debug a kernel in 'real mode' ?!
Correct me if I'm wrong but that would be using two handles on the file that can't possibly go together.
Regards, Shems
*When the machine breaks down, we break down."