DB43LD Technical Product Specification

Product Description
19
1.6 Intel
®
B43 Express Chipset
The Intel B43 Express chipset consists of the following devices:
• Intel 82B43 Graphics and Memory Controller Hub (GMCH) with Direct Media
Interface (DMI) interconnect
• Intel 82801JD I/O Controller Hub (ICH10D)
The GMCH component provides interfaces to the CPU, memory, and the DMI
interconnect. The component also provides integrated graphics capabilities supporting
3D, 2D, and display capabilities. The ICH10D is a centralized controller for the board’s
I/O paths.
The chipset supports the following features:
• Onboard graphics
• Dynamic Video Memory Technology
• USB
• Serial ATA
For information about Refer to
The Intel B43 Express chipset http://www.intel.com/products/desktop/chipsets/index.htm
Resources used by the chipset Chapter 2
1.6.1 Intel B43 Graphics Subsystem
The Intel B43 Express chipset contains two separate, mutually exclusive graphics
options. Either the Intel Graphics Media Accelerator 4500 (Intel GMA 4500) graphics
controller (contained within the 82B43 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 Intel GMA
4500 graphics controller is disabled.
1.6.1.1 Intel
®
Graphics Media Accelerator 4500 Graphics
Controller
The Intel GMA 4500 graphics controller features the following:
• High quality texture engine
⎯ DirectX10* and OpenGL* 2.0 compliant
⎯ Shader Model 4.0
• 3D Graphics Rendering enhancements
⎯ 1.6 dual texture GigaPixel/sec max fill rate
⎯ 16-bit and 32-bit color
⎯ Vertex cache
• Video
⎯ Hi-Definition playback (partial hardware acceleration for MPEG-2, full hardware
acceleration for VC1 and AVC)
⎯ Dynamic Video Memory Technology (DVMT) 5.0 uses system memory based on
the operating system and the amount of memory installed