I have a mix of Dell Optiplex GX260s and 270s.

I am building a master image on a GX260. If I restore the image to
another 260, it works fine. But, if I restore a 270, it will not boot. I
will get a BSOD, or it constantly reboots. If I try to load in safe mode,
it dies in mup.sys.

Any ideas?