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Integrated Intel
Graphics Media
Accelerator 4500
3D/2D Controller
Microsoft DirectX® 10 based with support for Pixel Shader 3.0
VGA Controller
Integrated
DisplayPort
Integrated, Multimode capable; supports HDCP
Bus Type
PCI Express™ x16
RAMDAC
Integrated, 350 MHz
Memory
Graphics memory is shared with system memory. Graphics memory usage varies
depending on the amount of system memory installed, BIOS settings, operating
system, and system load. 32 MB is pre-allocated for graphics use at system boot time.
Additional memory can be allocated at boot time by the BIOS for PAVP (Protected
Audio Video Playback) support for playback of protected video content. For Vista, use
of PAVP heavy mode preallocates an additional 96MB.
Additional memory is allocated for graphics as needed using Intel's Dynamic Video
Memory Technology (DVMT), to provide an optimal balance between graphics and
system memory use.
Windows XP Memory Usage:
Total System Memory
Pre-Allocated (MB)
DVMT (MB)
.5GB
32 128
1.0GB
32 512
1.5GB
32 768
2 GB & more
32 1024
Windows Vista Memory Usage:
(Assumes Management Engine , VT-d enabled and other memory allocated for other
BIOS usage )
System
Memory
PVAP
Avail
System
Memory
(MB)
Total Avail
GFX
Memory
(MB)
Dedicated
Video
Memory
(MB)
System
Video
Memory
(MB)
Shared
System
Memory
(MB)
1 GB
Lite
952 252 32 96 124
Heavy
856 294 122 6 166
2 GB
Lite
1976 764 32 96 636
Heavy
1880 806 122 6 678
4 GB
Lite
4024 1759 32 96 1631
Heavy
3928 1759 122 6 1631
6 GB
Lite
6072 1759 32 96 1631
Heavy
5976 1759 122 6 1631
8 GB
Lite
8120 1759 32 96 1631
Heavy
8024 1759 122 6 1631
Total Available GFX Memory:
Total graphics memory available to the system as
reported by the OS.
Dedicated Video Memory:
Memory owned and locked for graphics use as reported
by the OS. (Preallocated)
System Video Memory:
System memory locked and dedicated for graphics use.
QuickSpecs
HP Compaq dc7900 Business PC
Technical Specifications - Graphics
DA - 13029 Worldwide QuickSpecs — Version 9 — 1.9.2009
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