releasenote.txt

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        I. Language Support
        ===================
        DisplayLink software is localised in the following languages:

        - English
        - French
        - German
        - Dutch
        - Italian
        - Spanish
        - Portuguese
        - Polish
        - Hungarian
        - Russian
        - Traditional Chinese
        - Simplified Chinese
        - Japanese
        - Korean
        
      
        J. Supported Hardware
        =====================

        - Certified DL120 / DL160 devices are supported. 
        - Earlier devices are supported for backwards compatibility. 
        - DL1x5 sample devices are supported, but R4.3 software does not 
        fully exploit their capabilities.
 
        Each install package supports a range of hardware variants:

        - DisplayLink Early Access supports all DisplayLink internal USB
        devices and internal Ethernet devices but no customer branded devices.
        Ethernet devices require running a separate configuration application.

        - Customer branded releases only support the customer allocated Product
        IDs (PIDs).

        
        This package supports up to 6 devices with these PIDS:

        USB_019E: TX
        


        K. Summary of Software State and Issues - Vista WDDM
        ====================================================
        K1. Vista WDDM graphics card support
        ------------------------------------

        Because of restrictions in Vista WDDM support for graphics cards, the
        DisplayLink software works closely with the graphics drivers for
        the PC's graphics card. We support interworking with single graphics
        cards from Intel, ATI, Nvidia and Via. We have interoperability
        tested against a representative selection of each of these cards, and
        continue to expand our test coverage in this area.

        We cannot exclude severe problems in the case of graphics cards or
        driver versions that have not been interoperability tested with
        DisplayLink software. Should such problems arise,

        - First, upgrade to the latest graphics drivers for your PC. Latest
        drivers can be found on the PC manufacturer's or graphics card
        manufacturer's website.

        - Second, upgrade to the latest DisplayLink software available for
        your device. Use 'Check now...' from the DisplayLink GUI to find and
        download latest software.

        - If this does not help, please inform your DisplayLink device
        manufacturer's support line. Please give these details:
        + PC make, CPU and memory
        + graphics card make, model and driver version.

        Known issues - general

        DisplayLink screens are not supported on systems with two graphics
        cards used simultaneously (supporting separate screens, or in SLi or
        Crossfire configuration). (1704)

        Known issues - Intel graphics

        Some applications expect a maximum of two screens attached to the PC
        and may not work well when there are more than two screens, for
        instance where there is a main screen and two DisplayLink screens.
        Examples found so far include the Intel screen management utility
        (igfxext.exe). (1888)

        Some laptops have Fn+F7 type hotkeys to switch between multiple
        monitors. The hotkeys may not work once DisplayLink software has been
        installed and a DisplayLink screen is attached. This is a consequence
        of the problem mentioned above. (2277)

        Some older versions of Intel graphics drivers will cause corruption on
        the Nivo screen. The solution is to upgrade them to version
        7.14.10.1111 or later.  This is with Vista WDDM.	(2164)

        Users of Vista WDDM with Intel graphics should exercise caution if
        using two or more DisplayLink screens at a time. Very occasionally,
        mode changes or detach/reattach of two Nivos at once has been observed
        to cause a complete machine lock-up. (2264)

        Known issues - ATI graphics

        The ATI Catalyst Control Centre is a tool provided by ATI to control
        ATI graphics cards. In the presence of DisplayLink attached screens,
        some parts of the tool, such as its adjustments submenu, do not work.
        This is on all OSes. (1596)

        Some versions  of the ATI Catalyst Control Center crash in the
        presence of DisplayLink software. This has been observed with versions
        since ATI driver version 8.360. (2054)

        Known issues - Nvidia graphics

        With Vista, a maximum of four DisplayLink screens are supported on
        machines with Nvidia graphics. In certain rare cases, exceeding this
        has been seen to cause repeated serious crashes. (1781)

        On Vista WDDM, older versions of Nvidia drivers with versions prior to
        7.15.11.146 can behave badly in the presence of DisplayLink software.
        For instance they can cause blue screens when applications are
        maximised on DisplayLink screens. Also, if DisplayLink devices are
        attached or detached during restart, it may be necessary to press the
        reset button on the PC to restore normal functioning. (2119)


        K2. Normal use
        --------------

        System behaviour with up to six DisplayLink attached screens has
        been well tested. Testing covers plug/unplug, mode changes, playing
        video, hibernate, sleep/standby, multiple users, different user rights,
        attached screen as primary screen, attached screen as only screen,
        and other aspects.

        There are many minor issues. General recommendations if something
        goes wrong:

        - detach then reattach the DisplayLink device's USB cable
        - change display settings using DL-GUI
        - change display settings using WDP.


        Known issues - hibernate / sleep / monitor power save / screensavers

        On Vista, very occasionally, DisplayLink devices fail to resume from
        hibernation or sleep. This is due to issues in the Vista USB subsystem.
        Hotfix http://support.microsoft.com/kb/941600 should help. (2126)

        On Vista WDDM, DisplayLink attached screens can be slow when resuming
        from hibernation or sleep. (2165)

        On all OSes, the desktop background is occasionally missing after
        restart or after resume from sleep or hibernation. The screens are
        still usable, and the background can be set again to the desired
        picture. (2154, 2072)

        On all OSes, detaching or attaching DisplayLink attached screens while
        a screensaver is running may cause strange effects. Sometimes it is
        necessary to detach and reattach the DisplayLink attached screen after
        exiting the screensaver. (1984)

        3D screensavers do not run well on DisplayLink devices and can cause
        flicker. This is on all OSes. (1150, 1177)

        If devices are detached from the PC before going into standby, then
        reattached during standby, very occasionally they may not resume when
        the PC comes out of standby.  If this happens, detach and reattach the
        devices to make them work again. (1492)


        Known issues - other

        Vista WDDM: it's best to avoid switching between 32 bit and 16 bit
        colour quality on DisplayLink attached screens. Occasionally, this
        causes the DisplayLink screen to stop working. Detach and reattach it
        to get it to work again. Very occasionally, this has caused a complete
        machine lock-up. (2070, 2260)

        On Vista WDDM, if a DisplayLink screen is primary, it is not possible
        for another DisplayLink screen to mirror it. (1870)

        CRT monitors may show speckles at very high resolutions. This is
        because the DisplayLink device cannot always support the high pixel
        clock required with high CRT refresh rates. (2155)

        The Transient Multimonitor Manager (TMM) is a component of Vista that
        manages external screens. Unfortunately, it behaves very badly in the
        presence of DisplayLink software. It is therefore disabled when
        DisplayLink software is installed, and re-enabled when DisplayLink
        software is uninstalled. (1831)

        After a reboot, the numbers used in Windows Display Properties to
        identify the attached screens may change. This is normal. (596)

        On Vista WDDM, when using the DisplayLink GUI to set rotation,
        occasionally the screen rotation will fail to match the GUI's rotation
        setting. To fix this, apply the setting again, or retach and reattach
        the DisplayLink screen. (2186)


        K3. Video players, rendering technologies and applications
        ----------------------------------------------------------
        On Vista WDDM Aero, video playing largely works. Video playing and
        rendering using hardware overlays is not supported. The following
        players work:

        - Windows Media Player 11
        (www.microsoft.com/windows/windowsmedia/default.mspx)
        - WinDVD 8 (www.intervideo.com)
        - PowerDVD 7 (www.cyberlink.com)
        - RealPlayer 11 (www.real.com).

        This table shows what rendering interfaces are supported:

        Interface             Supported on Vista WDDM Aero?

        DxVA                  Yes, if supported by the GPU
        D3D                   Yes, but not if the DisplayLink screen is primary
        DirectDraw            Yes
        OpenGL                Yes, but not fullscreen, windowed only
        GDI+                  Yes, but not fullscreen, windowed only


        On Vista WDDM Basic, video is not supported. It may work in some
        cases but exhibits poor performance. It may stop working after an
        update from Windows Update that affects the graphics subsystem.

        On all platforms, depending on the player, there may be problems if
        the video window is moved between screens while video is running. It
        may be necessary to close and restart the video player.

        With Vista WDDM, on some lower-spec PCs, videos on DisplayLink attached
        screens pause frequently for several seconds at a time. This is because
        there is insufficient system performance to display video smoothly.
        (1798)


        Known issues - general

        Don't change the display mode, position or arrangement of attached
        screens while a video is running. This usually confuses the video
        player and the video may stop playing. (1982)

        On Vista WDDM, video players sometimes use hardware overlays to display
        video. DisplayLink software does not support hardware overlays and
        these videos do not display on DisplayLink screens. Examples: PowerDVD
        7 uses overlays when playing DVDs and so cannot display DVDs on
        DisplayLink screens. vlc can be configured to use overlays and will not
        work on DisplayLink screens if so configured.	(1807)

        On Vista WDDM, some graphics-intensive applications use the GDI or
        OpenGL interfaces. On DisplayLink attached screens, such applications
        can display in a window but not full screen. Examples of such