910GL datasheet(9/426 Pages) INTEL

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Datasheet

11.4.10 PCI Express* I/O Address Mapping (Intel

® 82915G/82915P/82915PL

Only) ................................................................................................... 220

11.4.11 (G)MCH Decode Rules and Cross-Bridge Address Mapping ............ 220

11.4.12 Legacy VGA and I/O Range Decode Rules ....................................... 221

Functional Description .................................................................................................... 223

12.1

Host Interface ..................................................................................................... 223

12.1.1

FSB GTL+ Termination....................................................................... 223

12.1.2

FSB Dynamic Bus Inversion ............................................................... 223

12.1.3

APIC Cluster Mode Support ............................................................... 224

12.2

System Memory Controller................................................................................. 224

12.2.1

Memory Organization Modes.............................................................. 224

12.3

System Memory Configuration Registers Overview .......................................... 226

12.3.1

DRAM Technologies and Organization .............................................. 227

12.3.1.1

Rules for Populating DIMM Slots ...................................... 227

12.3.1.2

System Memory Supported Configurations ...................... 228

12.3.1.3

Main Memory DRAM Address Translation and Decoding 228

12.3.2

DRAM Clock Generation .................................................................... 231

12.3.3

Suspend-to-RAM and Resume........................................................... 231

12.3.4

DDR2 On-Die Termination.................................................................. 231

12.3.5

DDR2 Off-Chip Driver Impedance Calibration.................................... 231

12.4

PCI Express* (Intel

® 82915G/82915P82915PL Only)........................................ 232

12.4.1

Transaction Layer ............................................................................... 232

12.4.2

Data Link Layer................................................................................... 232

12.4.3

Physical Layer..................................................................................... 232

12.5

Intel

® Serial Digital Video Output (SDVO) (Intel®

82915G/82915GV/82915GL/82910GL GMCH Only)......................................... 233

12.5.1

Intel

® SDVO Capabilities..................................................................... 233

12.5.2

Intel

® SDVO Modes ............................................................................ 234

12.6

Integrated Graphics Device (Intel

® 82915G/82915GV/82915GL/82910GL

GMCH Only) ....................................................................................................... 235

12.6.1

3D Engine ........................................................................................... 236

12.6.2

Setup Engine ...................................................................................... 236

12.6.2.1

3D Primitives and Data Formats Support.......................... 236

12.6.2.2

Pixel Accurate “Fast” Scissoring and Clipping Operation . 237

12.6.2.3

Depth Bias ......................................................................... 237

12.6.2.4

Backface Culling................................................................ 237

12.6.2.5

Scan Converter.................................................................. 237

12.6.2.6

Pixel Rasterization Rules .................................................. 237

12.6.2.7

2D Functionality................................................................. 237

12.6.3

Texture Engine.................................................................................... 238

12.6.3.1

Perspective Correct Texture Support................................ 238

12.6.3.2

Texture Formats and Storage ........................................... 238

12.6.3.3

Texture Decompression .................................................... 238

12.6.3.4

Texture ChromaKey .......................................................... 238

12.6.3.5

Anti-Aliasing....................................................................... 238

12.6.3.6

Texture Map Filtering ........................................................ 238

12.6.3.7

Multiple Texture Composition............................................ 239

12.6.3.8

Bi-Cubic Filter (4x4 Programmable Texture Filter) ........... 239

12.6.3.9

Cubic Environment Mapping ............................................. 240

12.6.4

Raster Engine ..................................................................................... 240

12.6.4.1

Texture Map Blending ....................................................... 240

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