===============================================================================
===============================================================================
DisplayLink Software Release: External Release Note
Software Package: DisplayLink Graphics
Product Version: 7.7.57957.0
Product Date: 27th September 2014
DisplayLink Core Software Version: 7.7.57957.0
DisplayLink Core Software Date: 26th September 2014
DisplayLink DL-3xx0 / DL-5xx0 Firmware Version: 8.9.33.66991
DisplayLink DL-41xx Firmware Version: 8.9.33.66991
===============================================================================
===============================================================================

A. Introduction
===============
This is the R7.7 Product Release. It has been put through a full system test 
and is suitable for deployment to end-users.

DisplayLink Software Release R7.7 delivers the following improvements:
- Improved full screen video frame rate and image quality on high resolution 
  screens
- Lower mouse cursor latency on desktop applications
- New embedded firmware upgrade mechanism improving first connect 
  user experience. Visible from future releases.
- Early support for Intel Broadwell platform

This release is for Windows Vista and later. Windows XP SP2 is supported by 
earlier versions of the DisplayLink software: 
http://www.displaylink.com/downloads


For further support and information about DisplayLink software, please visit
http://www.displaylink.com/support


A1. Important notes about DL-3xx0, DL-41xx and DL-5xx0 Firmware
======================================================
This software release contains an embedded firmware image. 
DL-3xxx/DL-41xx/DL-5xxx devices will be automatically upgraded with this
firmware upon connection.


B. Contents
===========
A. Introduction
A1. Important notes about DL-3xx0, DL-41xx and DL-5xx0 Firmware
B. Contents
C. New features
C1. Fixed issues since R7.6 M2 (7.6.56275.0)
D. How to Install and Use
E. Supported Operating Systems
F. PC Recommended Specifications
G. Language Support
H. Supported Hardware
I. Known Issues and Limitations


C. New features
===============
DisplayLink Software Release R7.7 delivers the following improvements:
- Improved full screen video frame rate and image quality on high resolution 
  screens
- Lower mouse cursor latency on desktop applications
- New embedded firmware upgrade mechanism improving first connect 
  user experience. Visible from future releases.
- Early support for Intel Broadwell platform

C1. Fixed issues since R7.6 M2 (7.6.56275.0)
--------------------------------------------

Issues fixed in 7.7 release
----------------------------------

Monitor EDID was incorrectly interpreted, if the monitor id contained an 
underscore (_). (17606)

Audio output might not switch to default after disconnecting headphones
from DisplayLink device in hibernation (S4). (17401)

On some laptops, the video performance can decrease on DisplayLink screens 
when a proprietary docking station and a DisplayLink docking station are
connected at the same time and the user logs on and off. (16915)

Some platforms running Vista x64 can stop responding after installing
DisplayLink Ethernet driver. (17384)

DisplayPort++ to DVI adapters can display incorrect available mode list.
(17427)

Occasionally a DisplayLink monitor could be blank after resuming from power 
saving mode. (17554)

Ethernet UDP performance might drop when playing video and audio over a 
DisplayLink device. (17579)

Intermittent screen corruption visible when a DisplayLink monitor duplicates a
touch screen display in Basic mode on Windows 7 (17782)
  
Wake on LAN sometimes doesn't work when DisplayLink device is connected 
at USB 3.0. This is a regression introduced in 7.6 M2. (17865)

Video and/or Ethernet not available after power state changes on some
platforms. Ethernet could show a Yellow "!", with Error Code 43, in device 
manager (17896, 17047)

If multiple DL-5xxx or DL-3xxx devices are connected, one device can fail 
USB enumeration resuming from S4 when connected to USB 2.0 on Windows 7. 
(17835)

Removed compatibility check which prevented installation if a 3rd party USB 
graphics solution was connected. Now installation will only be blocked if 3rd 
party USB graphics drivers are found to be installed. (17763)


D. How to Install and use
=========================
Please find detailed guidance and information about how to install and use this
software in the DisplayLink Software User Guide: http://kb.displaylink.com/298

A corporate deployment guide is available here:
http://www.displaylink.com/corporateinstall/CorpInstallUsersGuide.pdf

Corporations can download the MSI installation files from:
http://www.displaylink.com/corporateinstall

For further support and information about DisplayLink software, please visit
http://www.displaylink.com/support


E. Supported Operating Systems
==============================
This release can be installed on the following operating systems:

    - Windows Vista SP1 (32-bit and 64-bit editions)
    - Windows Vista SP2 (32-bit and 64-bit editions)
    - Windows 7 (32-bit and 64-bit editions)
    - Windows 8 (32-bit and 64-bit editions)
    - Windows 8.1 (32-bit and 64-bit editions)
    - Windows 8.1 Update 2014 (32-bit and 64-bit editions)
    - Windows Server 2008 (32-bit and 64-bit editions)
       (This OS has received limited testing)
    - Windows Server 2008 R2
       (This OS has received limited testing)

Windows XP SP2 is supported by older versions of the DisplayLink software: 
http://www.displaylink.com/downloads


Installation on Windows Server 2008 R2 is enabled, but untested. End users may
try to use DisplayLink on server editions, but these are not supported 
configurations.


F. PC Recommended Specifications
================================
Please find detailed information about the minimum and recommended system
specifications needed to run this software in the DisplayLink
Software User Guide: http://kb.displaylink.com/298


G. Language Support
===================
Please find the complete list of languages supported by this software in the
DisplayLink Software User Guide: http://kb.displaylink.com/298


H. Supported Hardware
=====================
Devices supported:
- DL-5500 / DL-5700 / DL-5900 / DL-5910
- DL-41xx
- DL-3100 / DL-3500 / DL-3700 / DL-3900 / DL-3950
- DL115 / DL125 / DL165 / DL195
- DL120 / DL160 


I. Known Issues and Limitations
===============================
System behaviour with 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.

For information about specific issues please see the DisplayLink support
knowledgebase: http://www.displaylink.com/support/knowledgebase.php
