>That link discusses setting affinity on W2K/W2K3/XP. I found the second while researching how to set it on Windows 7. While the author seems to be focused on performance, for this particular scenario (NTVDM.EXE) it would be used for reliability.
>
>Regarding processor affinity and performance, ISTR researching that some time ago (Web research, not testing) and the consensus was it makes things worse unless you have *very* specialized edge cases and you know exactly what you're doing. My guess is schedulers have only gotten better since then.

quite true, but running several VM, each taxed with a vfp single thread core, might just sit on such an edge ;-))