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Graphics Administration Guide: HP 9000 Workstations and Servers > Chapter 5 X Windows: HP-UX 10.x

Freedom Series Graphics Device-Dependent Information

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This sections describes support for the Freedom Series from Evans & Sutherland on Hewlett-Packard workstations.

NOTE: Note that the Freedom Series is no longer supported as of HP-UX 10.30; the information below is presented for those who are running previous versions of the operating system.

Supported Visuals

The following visuals are supported:

  • Class PseudoColor Depth 8 Layer Overlay - Class PseudoColor Depth 8 Layer Image - supports DBE and MBX hardware double-buffering

  • Class DirectColor Depth 24 Layer Image - supports DBE and MBX hardware double-buffering

  • Class TrueColor Depth 24 Layer Image - supports DBE and MBX hardware double-buffering

Supported Screen Options

The following Screen Options are supported:

  • FreedomVideoFormat

Freedom Video Formats

Freedom Series graphics devices have the ability to support several different video formats. The default format is 1280×1024 @ 75 Hz VESA timing. Other supported video formats may be selected by using the FreedomVideoFormat screen option in the appropriate X*screens file. This screen option replaces the 9.07 environment variable, ES_VIDEO_FORMAT. The appropriate video format must be selected to support the specific display device connected to the Freedom accelerator. Multisync monitors can support several different video formats.

Alternative supported formats:

Table 5-2 Alternative Supported Freedom Video Formats

Screen Option

Resolution

Description

ntsc_cvo

640×480

U.S. composite TV format with CVO*

pal_cvo

768×576

European composite TV format with CVO*

 

* "CVO" is the Composite Video Output card, which must be installed in the Freedom accelerator for this video format to work.

While the following formats are provided there is no intent to claim "support" for these formats, they are untested and unsupported configurations.

Alternative unsupported formats:

Table 5-3 Alternative Unsupported Freedom Video Formats

Screen Option

Resolution

Description

ntsc

640×480

U.S. composite TV format

pal

768×576

European composite TV format

hdtv

1920×1024

60 Hz interlaced

stereo1

640×512

60 Hz frame rate per eye

stereo2

1280×512

60 Hz frame rate per eye

vga

640×480

Standard VGA

video60

1280×1024

60 Hz

video76

1280×1024

76 Hz

 

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