Intel
®
Desktop Board D815EEA Technical Product Specification
28
For information about Refer to
The location of the keyboard and mouse connectors Figure 9, page 54
The signal names of the keyboard and mouse connectors Table 18, page 55
1.8 Graphics Subsystem
The 815E chipset contains two separate, mutually exclusive graphics options. Either the integrated
graphics controller (contained within the 82815E GMCH) is used, or an add-in AGP adapter can
be used.
The GMCH includes an integrated display cache SDRAM controller that supports a Graphics
Performance Accelerator (GPA) card. The GPA card is a 32-bit 133 MHz 4 MB SDRAM array for
enhanced integrated 2D and 3D graphics performance. This interface is multiplexed between the
display cache interface and the AGP connector. When an AGP card is installed, the integrated
graphics controller is disabled and the display cache interface is not used.
For information about Refer to
GPA support Section 1.8.3.1, page 31
1.8.1 Integrated Graphics Controller
The GMCH features the following:
• Integrated graphics controller
3-D Hyper pipelined architecture
Full 2-D hardware acceleration
Motion video acceleration
• 3-D graphics visual and texturing enhancement
• Display
Integrated 24-bit 230 MHz RAMDAC
Display Data Channel Standard, Version 3.0, Level 2B protocols compliant
• Video
Hardware motion compensation for software MPEG2 decode
Software DVD at 30 fps
• Integrated graphics memory controller
Table 6 lists the refresh frequencies supported by the graphics subsystem.
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