2-10 www.hp.com Technical Reference Guide
System Overview
2.3.9 Graphics Subsystem
These systems use the Q35 GMCH component, which includes an integrated graphics controller
that can drive an external VGA monitor. The controller implements Dynamic Video Memory
Technology (DVMT 3.0) for video memory. Table 2-5 lists the key features of the integrated
graphics subsystem.
The IGC supports dual independent display for expanding the desktop viewing area across two
monitors. The USDT form factor includes a DVI-D interface for direct connection with a digital
video monitor. The graphics subsystem of the SFF and CMT systems can be upgraded by
installing an SDVO ADD2 card or PCIe x16 graphics card in the PCIe x16 graphics slot.
2.3.10 Audio Subsystem
These systems use the integrated High Definitions audio controller of the chipset and the ADI
AD1884 High Definition audio codec. HD audio provides improvements over AC’97 audio such
as higher sampling rates, refined signal interfaces, and audio processors with a higher
signal-to-noise ratio. The audio line input jack can be re-configured as a microphone input, and
multi-streaming is supported. These systems include a 1.5-watt output amplifier driving an
internal speaker. All models include front panel-accessible stereo microphone in and headphone
out audio jacks.
Table 2-5
Integrated Graphics Subsystem Statistics
Q35 GMCH
Integrated Graphics Controller
Recommended for Hi 2D, Entry 3D
Bus Type Int. PCI Express
Memory Amount 8 MB pre-allocated
Memory Type DVMT 3.0
DAC Speed 400 MHz
Maximum 2D Resolution 2048x1536 @ 85 Hz
Software Compatibility Quick Draw,
DirectX 9.0,
Direct Draw,
Direct Show,
Open GL 1.4,
MPEG 1-2,
Indeo
Outputs 1 RGB
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