HP QUICKSPECS DC7900 - Manual (Page 43)

g.
– Immunity Characteristics – Limits and Methods of Measurement.
ATI Radeon HD 3650 (512MB DH) PCIe x16 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
Resolution
Maximum Refresh Rate (Hz)
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 dual-link DVI or DP 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
4550 DH PCIe x16
Graphics Card Input/Output
connectors DMS-59
S-video connector
Board display options Supports two displays via included DMS-59 to dual VGA cable or 2 DVI monitors
via optional DMS-59 to dual DVI cable kit part number: DL139A. 4-pin mini-DIN
S-video connector for TV output
Board configuration Specification Description
Graphics Chip RV710
Core clock 600 MHz
Memory clock 800 MHz
Frame buffer 256 MB DDR2, 64 bit wide
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 4550 DH PCIe x16 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 24 — 10/30/2009 Page 43