Intel® 945G/945GZ/945GC/ 945P/945PL Express Chipset Family ...

10.5.4.1 Perspective Correct Texture Support ................................ 243
10.5.4.2 Texture Formats and Storage ........................................... 243
10.5.4.3 Texture Decompression .................................................... 243
10.5.4.4 Texture ChromaKey .......................................................... 243
10.5.4.5 Anti-Aliasing ....................................................................... 243
10.5.4.6 Texture Map Filtering ........................................................ 244
10.5.4.7 Multiple Texture Composition ............................................ 244
10.5.4.8 Pixel Shader ...................................................................... 245
10.5.4.9 Cube Map Textures ........................................................... 245
10.5.4.10 4x4 Texture Filtering Includes Cube Maps ........................ 245
10.5.5 Raster Engine ..................................................................................... 245
10.5.5.1 Texture Map Blending ....................................................... 245
10.5.5.2 Combining Intrinsic and Specular Color Components ...... 246
10.5.5.3 Color Shading Modes ........................................................ 246
10.5.5.4 Color Dithering ................................................................... 246
10.5.5.5 Vertex and Per Pixel Fogging ............................................ 246
10.5.5.6 Alpha Blending (Frame Buffer) .......................................... 247
10.5.5.7 Microsoft Direct X* API and SGI OpenGL* Logic Ops ...... 247
10.5.5.8 Color Buffer Formats: 8-, 16-, or 32-bits per Pixel
(Destination Alpha) ............................................................ 247
10.5.5.9 Depth Buffer ...................................................................... 248
10.5.5.10 Stencil Buffer ..................................................................... 248
10.5.5.11 Projective Textures ............................................................ 248
10.5.6 2D Engine ........................................................................................... 249
10.5.6.1 GMCH VGA Registers ....................................................... 249
10.5.6.2 Logical 128-bit Fixed BLT and 256 Fill Engine .................. 249
10.5.7 Video Engine ....................................................................................... 250
10.5.7.1 Hardware Motion Compensation ....................................... 250
10.5.7.2 Sub-Picture Support .......................................................... 250
10.5.8 Planes ................................................................................................. 250
10.5.8.1 Cursor Plane ...................................................................... 251
10.5.8.2 Overlay Plane .................................................................... 251
10.5.8.3 Advanced Deinterlacing and Dynamic Bob and Weave ... 252
10.5.9 Pipes ................................................................................................... 252
10.5.9.1 Clock Generator Units (DPLL) .......................................... 252
10.6 Display Interfaces (Intel ® 82945G/82945GC/82945GZ GMCH Only) ................ 252
10.6.1 Analog Display Port Characteristics ................................................... 253
10.6.1.1 Integrated RAMDAC .......................................................... 254
10.6.1.2 Sync Signals ...................................................................... 254
10.6.1.3 VESA/VGA Mode .............................................................. 254
10.6.1.4 DDC (Display Data Channel) ............................................ 254
10.6.2 Digital Display Interface ...................................................................... 255
10.6.2.1 Multiplexed Digital Display Channels – Intel ® SDVOB and
Intel ® SDVOC .................................................................... 255
10.6.3 Multiple Display Configurations .......................................................... 257
10.7 Power Management ........................................................................................... 258
10.8 Clocking .............................................................................................................. 258
11 Electrical Characteristics ................................................................................................. 261
11.1 Absolute Minimum and Maximum Ratings ......................................................... 261
11.1.1 Power Characteristics ......................................................................... 263
11.2 Signal Groups ..................................................................................................... 264
10 Intel ® 82945G/82945GZ/82945GC GMCH and 82945P/82945PL MCH Datasheet