I have it working now on a P4 with XP home edition PC and 2 CD drives. I don't notice a performance difference from when I had it on a P3 with Win2000 with disc 1 in a CD drive and disc 2 on the hard drive. You don't need special software to run EPC split that way.

Sixto
95 S420
87 300SDL
83 300SD ... $950, see cars forum