Registry Entry Function Possibilities Recommended Comment
2k Large Texture Support ON, OFF ON Allows the use of large textures.
AA Auto AGP ON, OFF OFF Seriously hinders performance.
AC Auto Texture Compression ON, OFF OFF Automatic compression of textures to S3TC format. Can corrupt D3D games and movies.
AGP Sets AGP Value 1X, 2X, 4X Set to 4X unless your m/b only supports 2X Sets default AGP Bus speed.
AGPSB AGP Sidebanding ON, OFF ON Uses bandwidth for textures. Transitions in textured scenes are smoother.
AGPSIZE Sets AGP Aperture Size 256, 128, 64, 32, 16, 8 Set to half of system memory Size in MB of system RAM to use if using AGP textures.
AM Auto Mipmapping ON, OFF Try it and if you have problems turn it off. Increases visual quality and speed. May cause problems in some games.
AP Auto Palette ON, OFF Doesn't work Not Working. Supposed to enable paletted.
AT Auto Trilinear Filtering ON, OFF If you want better image quality turn it ON but if you want better performance turn it OFF Increased image quality, performance hit when enabled.
ATB Auto Triple Buffer ON, OFF ON Allows Vsync “OFF” without visual distortion.
BusThrottle AGP Bus Throttling ON, OFF ON No comments
COB Clear On Buffer ON, OFF ON Speed increase. Possible stability decrease.
DB Detail Bias 0.0 0.5 The higher number the better performance the lower number the better image quality.
DDSW Direct Draw Software Mode ON, OFF OFF Severe performance hit in 2D games.
FB Flip Blit ON, OFF ON Increases performance when combined with Fast Draw.
FD Fast Draw ON, OFF ON Renders triangles faster when enabled
ICD3DNOW 3D NOW Support ON, OFF ON 3D NOW Support for AMD CPU'S.
ICD3DNOW_DW 3D NOW Double Word 00=OFF, 01=ON 01 3D NOW Support for AMD CPU'S.
ICDAZ OpenGL Auto Z-Buffer Clear ON, OFF ON No comments
ICDAZ_DW Open GL Auto Z-Buffer Double Word 00=OFF, 01=ON 01 No comments
ICDFOGTABLE Fogtable ON, OFF, AUTO AUTO OpenGL Fog Table
ICDFOGTABLE_DW Fogtable Double Word 00=OFF, 01=ON 00=OFF, 01=ON, 02=AUTO OpenGL Fog Table
ICDHWTL Hardware T&L ON, OFF, AUTO OFF Can incrase performance on older systems. Can cause graphic problems
ICDHWTL_DW Hardware T&L Double Word 00=OFF, 01=ON, 02=AUTO 00 Can incrase performance on older systems. Can cause graphic problems
ICDSIMD SSE Support ON, OFF ON Single Instruction-Multiple Data. For Intel CPU'S
ICDSIMD_DW SSE Support Double Word 00=OFF, 01=ON 01 Single Instruction-Multiple Data. For Intel CPU'S
ICDTEXTURESIZE Texture Size 16, 32, AUTO AUTO Texture BPP (bits per pixel)
ICDTEXTURESIZE_DW Texture Size Double Word 00=OFF, 01=ON, 02=AUTO 02 Texture BPP (bits per pixel)
ICDUSEKTX KTX Buffer ON, OFF ON A small speed increase when enabled.
ICDUSEKTX_DW KTX Buffer Double Word 00=OFF, 01=ON 01 A small speed increase when enabled.
ICDWBUFFER Wbufer ON, OFF ON No comments
MCS3Modes Has to do with Motion Compression. ON, OFF ON Related to DVD
MCS3Timer Has to do with Motion Compression. ON, OFF ON Related to DVD
OS Over Sampling (FSAA) ON, OFF Doesn't work Doesn't work
OSX Over Sampling Rate 2X, 4X Doesn't work Doesn't work
TC Auto S3TC Minimum size 16, 32, 64 Don't use Don't use
TM Auto Mipmap Minimum Size 16, 32, 64 32 Set to 32 if you are using AM.
TSL Top Scan Line ON, OFF ON May eliminate some artifacts.
VT VidTex Only ON, OFF OFF Uses On-Board Ram for Texturing (disables AGP texturing). Increases performance except for 32MB Texturing.
VPESupport ?? ON, OFF OFF Speed increase when turned off.
WC Write Combining ON, OFF ON Speed increase if enabled.
WF Wait for Flip ON, OFF ON Metal Enhancement
WV Wait for V-Sync ON, OFF ON Toggles Vsync on/off. May experience tearing when OFF with out ATB ON.