1 - download nvInspector
2 - press Profile setting button
3 - create new profile for quake2xp.exe
4 - in SLI group set - SLI rendering mode to SLI_RENDERING_MODE_FORCE_AFR2 and SLI indicator to MCSFRSHOWSPLIT_ENABLED (optional)
5 - press "unknow setting" button
6 - in Unknow group find MULTICHIP_OGL_OPTIONS ( 0x209746C1 in new drivers ) and set to 0x00000002
7 - save profile and lunch quake2xp
