releasenote.txt

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        =====================================================================
        =====================================================================
        DisplayLink Software Release: External Release Note
        Software Package: USB LED Controller
        Version: 4.3.8593.0
        =====================================================================
        =====================================================================
        EXECUTIVE SUMMARY

        This is R4.3 Full Release. It has completed system test, both in-house
        and externally. It is suitable for deployment to end-users.

        DisplayLink Software Release 4.3 delivers the following features:
        - Vista Aero support
        - Improved video playback on Windows XP
        - Improved handling of monitor resolutions
        - Auto-Update mechanism.

        Recommendations for use:

        If using with more than one device, make sure each device is fully
        installed and working before adding the next.

        There are many minor issues. They can generally be resolved by
        - detaching and reattaching the DisplayLink device
        - changing the display mode via the DisplayLink GUI, or
        - changing the display mode via Windows Display Properties.

        On Vista WDDM (Aero and basic): DisplayLink software works closely
        with the graphics card and there may be interoperability issues with
        some graphics cards. If this happens,
        (1) try to upgrade to the latest graphics drivers
        (2) try to upgrade to latest DisplayLink software
        (3) report the issue via your support channel
        (4) if necessary, boot into Safe Mode and use Vista's Backup and
        Restore Center to recover.

        Video: video generally works using the most popular video players on
        Vista WDDM aero. Video works in extend mode on XP. Video support is
        limited in other configurations such as on Vista WDDM basic and in
        mirror mode on XP.
        =====================================================================
        =====================================================================


        A. Introduction
        ===============

        This is R4.3 Full Release. It has completed system test, both in-house
        and externally. It is suitable for deployment to end-users.

        B. Contents
        ===========
        Executive Summary
        A. Introduction
        B. Contents
        C. New Features
        D. Note on Vista Versions
        E. How to Install
        F. How to Use
        G. Supported Operating Systems
        H. PC Minimum Specifications
        I. Language Support
        J. Supported Hardware
        K. Summary of Software State and Issues - Vista WDDM
        K1. Vista WDDM graphics card support
        K2. Normal use
        K3. Video players, rendering technologies and applications
        K4. Installer and auto-update function
        L. Summary of Software State and Issues - Vista XDDM, XP, 2K
        L1. Normal use
        L2. Video players, rendering technologies and applications
        L3. Installer and auto-update function


        C. New Features
        ===============
        New features in R4.3 are:
        - Vista Aero support
        - Improved video playback on Windows XP
        - Improved handling of monitor resolutions
        - Auto-Update mechanism.

        Vista Aero support
        ------------------
        R4.3 software supports the Vista Aero Glass look, including
        - extend
        - mirror
        - off mode
        - support for multiple monitors
        - DisplayLink GUI.

        R4.3 supports 32-bit but not 64-bit versions of Vista.

        Improved video playback on Windows XP
        -------------------------------------
        Video playback performance has improved on Windows XP compared to
        previous DisplayLink releases.

        Improved handling of monitor resolutions
        ----------------------------------------
        Monitors that successfully transmit EDID to the PC have all their
        resolutions supported, up to the limits of the DisplayLink ASIC.

        Monitors that do not successfully transmit EDID to the PC benefit
        from an improved resolution list, including some widescreen modes.

        Auto-Update mechanism
        ---------------------
        The Auto-Update mechanism alerts users if newer software is available
        and allows them to download it. Users can configure whether or not to
        allow for periodic automatic checks for newer software. It is always
        possible to check manually using the DisplayLink GUI.

        The Auto-Update mechanism is optionally included depending on the
        product supported by the software package.
        

        D. Note on Vista Versions
        =========================
        Normally, Vista is in WDDM mode. In this mode, Vista graphics drivers
        are used, and the Vista Aero Glass and Vista Basic looks are available.

        Vista PCs whose graphics drivers are not Vista ones run in XDDM mode.
        In this mode, the Aero Glass look is not available. PCs that were
        upgraded from XP to Vista and PCs with low-end graphics cards run in
        XDDM mode.

        DisplayLink software supports both modes in different ways, and the
        level of support and issues are different in the two cases.


        E. How to Install
        =================
        Important note: users who have v3.x ‘USB Display Adapter’ software
        installed in Add/Remove Programs must uninstall it before installing
        this release. Devices using v3.x software will continue working after
        this release is installed.

        Important note: if you are installing several devices, make sure that
        each is fully installed and showing an image before attaching the next.

        Software-first install
        ----------------------
        - Unzip the release package
        - Run ‘setup.exe’
        - Once installation is complete, attach a DisplayLink device / screen
        to the PC and wait for it to come up.

        Hardware-first install from release package (.zip)
        --------------------------------------------------
        - Unzip the release package to a convenient place,
        - Connect the DisplayLink device
        - Point the ‘New Hardware Found’ wizard at the unzipped release
        package.

        Hardware-first install from CD
        ------------------------------
        - Put the CD into the PC's drive
        - Connect the DisplayLink device / screen
        - Point the ‘New Hardware Found’ wizard at the CD drive.

        Uninstalling the Release
        ------------------------
        - Go to ‘Add or Remove Programs’ dialog box (XP or 2K)
        - Go to 'Uninstall a Program' or 'Programs and Features' dialog box
        (Vista)
        - Select the customer product you installed
        - Choose ‘Remove’.


        F. How to Use
        =============
        DisplayLink screens can run in three modes:

        - extend mode: the screen is part of the extended desktop
        - mirror mode: the screen copies the contents of the primary screen
        - off mode: the screen is black.

        Display modes can be controlled through the DisplayLink GUI (DL-GUI)
        and through the Windows Display Properties dialog box (WDP).

        DL-GUI
        ------
        This is an icon in the systray that looks like a monitor. Click on the
        icon to bring up the menu. You can control
        - screen resolution
        - colour quality
        - rotation
        - mode (extend, mirror, off)
        - extend position (right, left, above, below)
        - auto-update configuration
        - manual check for newer software.

        WDP
        ---
        To open WDP on XP / 2K
        - right-click on the desktop
        - select 'Properties' from the context menu
        - go to the Settings tab

        To open WDP on Vista
        - right-click on the desktop
        - select 'Personalize' from the context menu
        - click on Display Settings link

        To open WDP from DL-GUI
        - bring up the DL-GUI menu
        - click 'Advanced...'

        With WDP you can control
        - screen resolution
        - colour quality
        - extend position
        - primary screen
        - refresh rate
        - whether the device is enabled (= part of the extended desktop)
        or not (= mirror or off mode).


        G. Supported Operating Systems
        ==============================
        This release supports the following operating systems:
        
        - Windows 2000 SP4
        
        - Windows XP SP2
        
        - Windows Vista
        
        64 bit operating systems are not supported.
            


        H. PC Minimum Specifications
        ============================
        The minimum hardware requirements for the PC are:
        
        - PC with 1.2 GHz or higher processor clock speed, with an Intel
        Core 2 Duo or equivalent power CPU.
        
        - 512 megabytes (MB) of RAM for a single attached screen, 1 gigabyte
        (GB) of RAM for two attached screens, more for more attached screens.
        
        - At least one USB 2.0 port
        
        - 30 megabytes (MB) of free disk space
        
        - Computer screen for use with the DisplayLink device, if it is not
        integrated.
        
        - CD-ROM or DVD drive if installing from CD.