Desktop Board Features
17
• Advanced display support, including:
⎯ DVI specification 1.0 compliant
⎯ Dual independent display support via the DVI-D and VGA back panel connectors
⎯ High Definition Content Protection (HDCP) version 1.1 support
⎯ DDC2B compliant interface with Advanced Digital Display 2 card or Media
Expansion Card (ADD2/MEC), support for TV-out/TV-in and DVI digital display
connections
⎯ Support for all HD display resolutions including 720p, 1080i, and 1080p
⎯ Support for digital and analog displays up to 1920 x 1200 at 60 Hz refresh rate
(WUXGA) and 2560 x 1600 at 60 Hz refresh (WQXGA), respectively; also
supports 1920 x 1080 resolution for full High Definition video playback quality
External PCI Express x16 Graphics
The GMCH supports an add-in PCI Express discrete graphics card via the PCI
Express 2.0 x16 connector as follows:
• Supports the PCI Express 1.1 frequency of 1.25 GHz resulting in 2.5 Gb/s each
direction (500 MB/s total). The maximum theoretical bandwidth on the interface is
4 GB/s in each direction simultaneously, for an aggregate of 8 GB/s when
operating in x16 mode.
• Supports the PCI Express 2.0 frequency of 2.5 GHz resulting in 5.0 Gb/s each
direction (1000 MB/s total). The maximum theoretical bandwidth on the interface
is 8 GB/s in each direction simultaneously, for an aggregate of 16 GB/s when
operating in x16 mode.
For more information on PCI Express technology, go to http://pcisig.com
.
Audio Subsystem
The onboard audio subsystem consists of the following:
• Intel ICH7 I/O controller hub
• Realtek ALC888VC 8-channel audio codec
• Front panel audio header with support for:
⎯ Intel HD Audio
⎯ AC ’97 Audio
• Onboard 4-pin S/PDIF output header
• Back panel audio connectors
The audio subsystem supports the following features:
• A signal-to-noise (S/N) ratio of 95 dB
• 8-channel (6 + 2) audio:
⎯ Independent multi-streaming 5.1 (6-channel) audio using the back panel audio
connectors
⎯ 2-channel (stereo) using the front panel audio header
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