D865GSA Datasheet, PDF (21/94 Pages) Intel Corporation – Technical Product Specification

Product Description
1.5 Intel^® 865G Chipset
The Intel 865G chipset consists of the following devices:
• Intel 82865G Graphics and Memory Controller Hub (GMCH) with Accelerated Hub
Architecture (AHA) bus
• Intel 82801EB I/O Controller Hub (ICH5) with AHA bus
• Firmware Hub (FWH)
The GMCH is a centralized controller for the system bus, the memory bus, and the
Accelerated Hub Architecture interface. The ICH5 is a centralized controller for the
board’s I/O paths. The FWH provides the nonvolatile storage of the BIOS.
For information about
The Intel 865G chipset
Resources used by the chipset
Refer to
http://developer.intel.com/
Chapter 2
1.5.1 Intel 865G Graphics Subsystem
The Intel 865G chipset uses the Intel Extreme Graphics 2 controller (contained within
the 82865G GMCH).
1.5.1.1 Intel^® Extreme Graphics 2 Controller
The Intel Extreme Graphics 2 controller features the following:
• Integrated graphics controller
⎯ 32 bpp (Bits Per Pixel) graphics engine
⎯ 266 MHz core frequency
⎯ 256-bit 2-D engine
⎯ 32-bit 3-D engine
⎯ Motion video acceleration
• High performance 3-D setup and render engine
• High quality/performance texture engine
• Display
⎯ Integrated 24-bit 350 MHz RAMDAC
⎯ DDC2B compliant interface
• Hardware motion compensation for software MPEG2 decode
• Dynamic Video Memory Technology (DVMT) support up to 64 MB
For information about
DVMT
Obtaining graphics software and utilities
Refer to
Section 1.5.1.3, page 27
Section 1.2, page 15
21