Intel D865GLC Manual - Page 19

Intelligent Memory Management IMM, Video Mixing Renderer VMR, Bi-Cubic Filtering, AGP Digital - video card

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2D Block Level Transfer (BLT) in the RPTR engine is extended to 256-bit, which supports fast blitter fill rate. This enables the blitter sequence of the same addresses to access the cache and offloads the memory bandwidth required to support blitter fill rate. Then the cache is emptied automatically when the sequence of operations are complete. 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. Video Mixing Renderer (VMR) 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 optimises 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. 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. 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 D865GLC Motherboard Manual 18

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D865GLC Motherboard Manual
18
2D Block Level Transfer (BLT) in the RPTR engine is extended to 256-bit, which
supports fast blitter fill rate. This enables the blitter sequence of the same addresses
to access the cache and offloads the memory bandwidth required to support blitter fill
rate. Then the cache is emptied automatically when the sequence of operations are
complete.
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.
Video Mixing Renderer (VMR)
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 optimises 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.
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.
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