The 1.88 drivers dont allow for it by default, but you can edit the registry to allow you to make this change.
Goto start, run, type in "regedit" (without the quotes).
Now goto the registry key:
HKEY_LOCAL_MACHINE/Software/NVIDIA Corporation/RIVA TNT/NVTweak
Now goto edit, new, DWORD Value. Type in PowerUser and hit enter. Double click on the new value on the right hand side. Type in 1 then enter.
Now exit the registry and refresh it (F5 key) Now you will be able to enable and disable v-sync in the display properties applet for the TNT-2 drivers in both D3D and OpenGL.
------------------ Collin J
HWC Administrator
Moderator Support and General Discussion.
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