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Shared System Memory:
Memory dynamically allocated for Graphics use
HW Video Decode
Hardware Accelerated decode for MPEG2 encrypted video; support for PAVP Lite
(default) and Heavy ( or Paranoid) modes
Maximum Color Depth
32 bits/pixel
Maximum Vertical
Refresh Rate
85 Hz at up to 1920x1440, 75 Hz at 2048x1536. Varies with mode and
configuration. See table below.
Multi-display Support
Dual monitor support facilitated via one VGA port and one DisplayPort integrated on
the back plane of the system board and presented as part of the rear I/O set of
interfaces. DVI supported via optional HP DisplayPort to DVI-D adapter.
Graphics/Video API
Support
Microsoft DirectX® 10, OpenGL® 1.5 (OpenGL® 2.0 available in a driver update)
Resolutions Supported
NOTE:
Other resolutions may be available but are not recommended as the may not have been tested and qualified by HP.
Maximum Refresh Rate (Hz)
Resolution
Analog Connection
Digital Connection
640x480
85 60
800x600
85 60
1024x768
85 60
1280x720
85 60
1280x1024
85 60
1440x900
75 60
1600x1200
85 60
1680x1050
75 60
1920x1080
85
60-R
1920x1200
85
60-R
1920x1440
85
N/A
2048x1536
75
N/A
2560x1600
N/A
60
*
* Only supported when using a DisplayPort connection
NOTE:
60-R denotes reduced blanking timings are used on single-link DVI connections and may be used with other digital
connections
ATI Radeon HD 2400XT
(256MB DH) PCIe
Graphics Card
Bus type
PCI Express (x16 lanes)
Maximum vertical refresh rate
85 Hz
Display support
Integrated 400 MHz RAMDAC
Display max resolution
1900 x 1200 digital, 2048 x 1536 analog
ATI Radeon HD 2400XT (256MB DH) PCIe Graphics Card display resolutions and refresh rates
NOTE:
Other resolutions may be available but are not recommended as the may not have been tested and qualified by HP
QuickSpecs
HP Compaq dc7900 Business PC
Technical Specifications - Graphics
DA - 13029 Worldwide QuickSpecs — Version 9 — 1.9.2009
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