Get this
I played return to castle wolfensteinon my piece of crap AMD athlon 1.1 processor using onboard sound and video ( PC Chips) MOBO 256M of ram no problems.

I just got from ALDI the Medion pentium 4, 2.6gig with a Radeon 128 meg graphics card and 512 meg of ram and it's got the jitters both sound and video freeze every twenty seconds. anyone know how to fix this.