Here my setup

PIII700 slot 1 @ 1050 cCo stepping, Alpha cooling, Temps 26C (idle)
1.90 volts
Abit BE6 (not BE6-II)
Crucial PC133 Cas2
Geforce2 GTS-V (just put in today)

Symptons after slowly increasing speed to 1050

1) 3DMark2001 quits half way through the benchmark and goes back to windows screen
2) 1 minute into Unreal Tournament games stops and "general protection error" or pops up
3) Blue screen comes up and says something like "memory management"

What's your guess as to my problems?

The interesting thing is that just the other day I was successfully running a GF2MMX400 at 1050 without any problems.... I thought the GTS-v was a much better card. Now I didnt put it on a stress test but I played UT for atleast 15-20 minutes without any problems with the MMX.

Note: Now the GTS does have 32mg vs the MMX's 64mb but I didnt think that would matter.

Could it be the drivers?