What file set does SFC use to verify system files after in..

Archived from groups: microsoft.public.windowsxp.perform_maintain (More info?)

My system seems to be running well but as IE has had to close because of
errors a couple of times lately I thought I should run system file checker
(sfc /scannow) but when I put my XP Pro CD into the CD drive as prompted SFC
reported that the CD was "a different windows.product CD than the version
installed". I assume this is because I have installed SP2 but I don't know
how to supply SFC with the file set it needs to use as reference to check
the files currently used by Windows. I tried burning a copy of the i386
folder (from C:\WINDOWS\ServicePackFiles\) to CD as I thought that would
provide the proper filepath from the CD drive and the proper files/versions
but SFC didn't fall for that trick for one second. (in its place I would
have fallen for it in a heartbeat)

--
Hardware above my means courtesy of my benefactors, Angel, Weezy and ER__RN

Epox EP-8RDA+ mobo
Windows XP Pro SP2
AMD 2.1 Ghz 3000+ Barton processor
1gig Corsair XMS3200 400 mhz DDR
256mb Nvidia FX5700LE