Product Description
23
1.5 Intel
®
G965 Express Chipset
The Intel G965 Express chipset consists of the following devices:
• Intel 82G965 Graphics and Memory Controller Hub (GMCH) with Direct Media
Interface (DMI) interconnect
• One of the following:
⎯ Intel 82801HR I/O Controller Hub (ICH8R) with DMI interconnect
⎯ Intel 82801HH I/O Controller Hub (ICH8DH) with DMI interconnect
The GMCH component provides interfaces to the CPU, memory, PCI Express, and the
DMI interconnect. The component also provides integrated graphics capabilities
supporting 3D, 2D and display capabilities. The ICH8 is a centralized controller for the
board’s I/O paths.
For information about Refer to
The Intel QG65 Express chipset http://developer.intel.com/
Resources used by the chipset Chapter 2
1.5.1 Intel G965 Graphics Subsystem
The Intel G965 Express chipset contains two separate, mutually exclusive graphics
options. Either the GMA X3000 graphics controller (contained within the 82G965
GMCH) is used, or a PCI Express x16 add-in card can be used. When a PCI Express
x16 add-in card is installed, the GMA X3000 graphics controller is disabled.
1.5.1.1 Intel
®
GMA X3000 Graphics Controller
The Intel GMA X3000 graphics controller features the following:
• 667 MHz core frequency
• High performance 3-D setup and render engine
• High quality texture engine
⎯ DX9.0c* & DX10 and OpenGL 1.5 compliant
⎯ Hardware Pixel Shader 3.0
⎯ Vertex Shader Model 3.0
⎯ 32-bit and 16-bit Full Precision Floating Point Operations
⎯ Occlusion query
⎯ 128-bit floating point texture formats
⎯ Bilinear, trilinear, and anisotropic MipMap filtering
⎯ Shadow maps and double sided stencils
⎯ Alpha and luminance maps
⎯ Texture color-keying/chroma-keying
⎯ Cubic environment reflection mapping
⎯ Enhanced texture blending functions
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