Compaq VX1 manual Multihead Support, Multihead Restrictions and Limitations

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Setting the Screen Resolution to 1280 x 1024 and the Vertical Refresh Rate to 75Hz.

:0 Local local@console /usr/bin/X11/X :0 -screen0 1280x1024 -vsync0 75

Setting the Screen Resolution to 1920 x 1080 and the Vertical Refresh Rate to 70Hz.

:0 Local local@console /usr/bin/X11/X :0 -screen0 1920x1080 -vsync0 70

3.4Multihead Support

The minimum firmware version for multihead 3Dlabs OXYGEN VX1 PCI graphics controller support on AlphaServer and AlphaStation DS10, DS10L, DS20E, and ES40 is V5.9. The Alpha system firmware must be updated to support 3Dlabs OXYGEN VX1 PCI graphics controllers. Once the Alpha system firmware has been updated, multiple 3Dlabs OXYGEN VX1 PCI graphics controllers may reside in the same system.

___________________________ Note ____________________________

Only one 3Dlabs OXYGEN VX1 PCI graphics controller will be used for the VGA console; it must be placed on the primary PCI bus.

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The card in the lowest numbered slot will usually be selected to be the VGA console. See your workstation or server user manual to determine slot numbering. The maximum number of 3Dlabs OXYGEN VX1 PCI graphics controllers supported by software is 16, but please see the following section for limitations.

3.4.1Multihead Restrictions and Limitations

The 3Dlabs OXYGEN VX1 PCI graphics controller is not supported in conjunction with any other non-3Dlabs OXYGEN VX1 PCI graphics controller residing in the same system.

All 3Dlabs OXYGEN VX1 PCI graphics controllers in a single system must have the same color depth. The supported number and configuration of multiple 3Dlabs OXYGEN VX1 PCI graphics controllers varies by platform. Other documentation shipped with your workstation or server will outline specific limitations on the actual number and the configuration of multihead support.

Compaq Tru64 UNIX Configuration 3-7

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Contents 3Dlabs Oxygen VX1 PCI Graphics Controller Installation GuidePage Contents Tables Compaq OpenVMS Software Installation and CustomizationIntended Audience PrefaceDocument Structure 3Dlabs Oxygen VXI PCI Graphics Controller DocumentationInformation on the Internet Conventions Used in This GuideIntroduction Chapter OverviewModule Description Overview3Dlabs Oxygen VX1 PCI Graphics Controller Installation Guide Standard 15-Pin VGA Connector Pinout Connector Pinouts3Dlabs Oxygen VX1 PCI Graphics Controller Specifications SpecificationsChapter Installation InstallationUnpacking Installation Procedure Installation Page Compaq Tru64 Unix Configuration ResolutionsCompaq Tru64 Unix Configuration Restrictions and Limitations Default Visual InformationMinimum Console Revision Multiple ColormapsBacking Store and Save Unders Current Graphics ResolutionHow to Change the Resolution and Refresh Rate on XDM GUI How to Determine which GUI is in UseHow to Change the Resolution and Refresh Rate on CDE GUI # /sbin/init.d/xlogin stop # /sbin/init.d/xlogin startServer Options Set screen Wwidth and Hheight Multihead Restrictions and Limitations Multihead SupportMatching X Server Primary Screen with VGA Console MessagesCompaq OpenVMS Software Installation and Customization Installation PreparationOpenVMS Version InstallationVideo Resolutions Supported Default Graphics Settings Determining Current SettingsOverriding Default Settings $ @SYS$MANAGERDECW$STARTUP Restart Matching Primary Screen with VGA Console Polycenter Software Installation