Video Resolutions Supported; Restrictions And Limitations; Minimum Console Revision; Multiple Colormaps - ATI Technologies 100-432001 - RADEON 7500 Multi-monitor Graphics Card Installation Manual

4.3

Video Resolutions Supported

The ATI RADEON 7500 AGP and PCI graphics controllers are capable of supporting the
graphics resolutions, color depths, and refresh rates shown in Table 4–2.
Table 4–2 Supported Video Modes - OpenVMS
Color Depths
Resolution
(Bits per Pixel)
640 x 480
800 x 600
1024 x 768
1152 x 864
1280 x 1024
1600 x 1200
1920 x 1440
2048 x 1536
The mode chosen should match your monitor capabilities. In general, refresh rates below
70 Hz are discouraged, as they tend to show flicker based on the lighting source and
surrounding equipment.
The available resolution is monitor dependent. The default video mode is 1024X768
@70HZ and 24 bits per pixel color depth.
4.4

Restrictions and Limitations

This section of the document contains limitations and restrictions of the ATI RADEON
7500 hardware and software.
4.4.1

Minimum Console Revision

The minimum console firmware version for support of the ATI RADEON 7500 graphics
controller under OpenVMS Alpha is system dependent. Please consult your platform option
information for minimum requirements.
4.4.2

Multiple Colormaps

Multiple colormaps are not supported. The ATI RADEON 7500 AGP and PCI graphics
controllers support only one installed colormap at one time. Exceeding this limit will cause
colormap flashing, also known as "technicolor."
Applications should not install or de-install colormaps themselves. The window manager
should perform these actions. However, the application is responsible for providing the
hp OpenVMS Alpha - Graphics Software Installation and Customization 4-3
Refresh Rates
(Hertz)
8, 16, 24 60, 72, 75, 85
8, 16, 24 60, 72, 75, 85
8, 16, 24 60, 70, 75, 85
8, 16, 24 60
8, 16, 24 60, 75, 85
8, 16, 24 60, 65, 75, 85
8, 16, 24 60, 75
8, 16, 24 60, 65, 70, 75