Intel BLKD865GBF Specification page 37

1.8.1.6 Intelligent Memory Management (IMM)
Intelligent Memory Management (IMM) technology is Intel's unique UMA memory manager
architecture, consisting of these key elements:
Tiled memory addressing capability
Deep display buffer implementation
Dynamic data management scheme
The memory addressing allows address remapping in the hardware for all graphics surfaces
including textures, frame buffer, Z buffer, and video surfaces. Deep display buffers and dedicated
screen refreshes improve visual performance, while the dynamic data management scheme
manages burst size and page closing policies for memory accesses.
IMM reduces the aggregate processor latency and allows longer in-page bursts for higher system
performance. IMM also increases page coherency and improves memory efficiency in texture
loads, 2D blitters, color/Z, MPEG2 motion compression, and other operations.
1.8.1.7 Video Mixing Renderer (VMR)
The Intel Extreme Graphics 2 controller features VMR technology. VMR is a process where
various data types can be blended together before being displayed. VMR allows applications to
bend and twist images such as 3D textures so that special effects such as wipes, spins, and fades
can be achieved.
1.8.1.8 PC/VCR Time Shifted Viewing
PC/VCR requires a TV-tuner add-in card and a third party application. PC/VCR time shifted
viewing allows the user to view and digitally record video pictures on their PC. Users can view
stored images while recording and by using time-shifted viewing they can pause, resume, replay,
and catch up to real time. The Intel Pentium 4 processor in combination with the Intel 82865G
GMCH optimizes performance so that the video output is smooth without leaving any visual
artifacts. Video tearing and corruption is prevented by the use of multiple buffers within the Intel
Extreme Graphics 2 controller.
1.8.1.9 Bi-cubic Filtering
Bi-cubic filtering is a new 4X4 filter that allows images to be generated more smoothly in the 3D
pipeline. The bi-cubic filter can be used to improve image quality for all 3D texture engine
components.
1.8.1.10 AGP Digital Display (ADD) Card Support
The GMCH routes two 12-bit multiplexed DVO ports that are each capable of driving a 165 MHz
pixel clock to the AGP connector. The DVO ports can be paired for dual channel mode. In dual
channel mode, the GMCH is capable of driving a 24-bit 330 MHz pixel clock. When an AGP add-
in card is used, the Intel Extreme Graphics 2 controller is disabled and the AGP connector operates
in AGP mode. When an ADD card is detected, the Intel Extreme Graphics 2 controller is enabled
and the AGP connector is configured for DVO mode. DVO mode enables the DVO ports to be
Product Description
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