=============================================================================== =============================================================================== DisplayLink Software Release: External Release Note Software Package: DisplayLink Graphics Product Version: 7.7.60373.0 Product Date: 17th February 2015 DisplayLink Core Software Version: 7.7.60366.0 DisplayLink Core Software Date: 12th February 2015 DisplayLink DL-3xx0 / DL-5xx0 Firmware Version: 8.10.34.70109 DisplayLink DL-41xx Firmware Version: 8.10.34.70110 =============================================================================== =============================================================================== A. Introduction =============== This is the R7.7M4, the fourth maintenance release of 7.7. It has been put through a full system test and is suitable for deployment to end-users. DisplayLink Software Release R7.7M4 delivers the following improvements: - Critical bug fixes DisplayLink Software Release R7.7 delivers the following features: - 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 R7.7 M0 (7.7.57957.0) 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 R7.7M4 delivers the following improvements: - Critical bug fixes C1. Fixed issues since R7.7 release (7.7.57957.0) ------------------------------------------------- Issues fixed in R7.7 M4 release (7.7.60366.0) ------------------------------------------------- "Priority & VLAN" was set to "Disabled" by default. It is now set to "Priority and VLAN Enabled" by default, but packets will not be tagged until a VLAN ID is set. (18256) VGA cable sensing is disabled when monitor with a preferred resolution greater than 2048x1152 is connected to the second output but the resolution is set lower than 2048x1152. (18388) Audio speaker's enhancements do not work on Windows 7 or Windows 8. (18326) Some Intel Broadwell platforms could show corruption on DisplayLink screens in basic graphics mode on Windows 7. (18454) When DisplayLink software is downloaded and installed from Windows update, sometimes the DisplayLink device would require a USB cable hot-plug to start operating. (18319) On some Surface Pro platforms installing Microsoft windows updates could cause the DisplayLink driver to become corrupted. This could only be recovered by re-installing the Intel graphics driver.(18415) With two monitors connected to DisplayLink device, where one supports high resolution not supported by Displaylink device, a misleading system message could appear stating that resolution has been lowered. (18537) On some dual GPU platforms (Intel/AMD) connecting more than three DisplayLink monitors could result in continues reboot requests. (18558) DL-41xx device could show an unstable image after USB cable hot-plug when connected downstream of a USB hub. (18041,18601) Some DisplayPort monitors connected to DisplayLink device could remain blank after resume from sleep. (18421) A monitor connected using VGA to a DisplayLink device could remain blank if the DisplayLink device was connected in while host computer was in sleep. (18710) Issues fixed in R7.7 M3 release (7.7.59503.0) ------------------------------------------- Some UHD monitors would display a corrupted or blank screen when connected to DisplayLink device. (17910) DL-5xxx series device doesn't support 3440x1440 resolution when monitor offers only 3440x1440@60Hz mode. (18067) When a monitor was connected to the DisplayPort output of a DisplayLink device, and an HDMI monitor was connected, the HDMI screen could remain blank. (18170) Some UHD modes are not supported if present only in Vendor Specific Data Block in EDID. (18218,18364) On some platforms, when multiple monitors are connected to a third party docking station it is not possible to set displays to extend when DisplayLink software is installed. (18255) On some platforms, the DisplayLink device could disconnect and reconnect to the USB bus when cloning the main screen. (18385) Some of DirectX resources acquired by DisplayLink driver's are not properly released which can result in increased memory usage and cause system to crash. This was a regression in 7.7 M0 (18460) Issues fixed in 7.7 M2 release (7.7.59032.0) -------------------------------------------- There could be a longer delay when extending the Windows desktop in USB to wireless solutions. (17530) On some devices extending desktop can remain on DisplayLink screen after disconnecting USB cable. (17916) DL-5xxx devices could select the unsupported resolutions above 2048x1152 when UHD monitors were connected through passive DisplayPort to HDMI adapters. (17970) A display could remain in Windows "Screen Resolution" after disabling the display and then disconnecting it from the DisplayLink device. (18047) On some platforms monitor connected to DisplayLink device can show corruption when playing a video on a UHD screen. (17938) Rare blue screen observed in the audio driver when detaching or attaching DisplayLink device. (17638) DL-4xxx monitor could remain blank after resuming from suspend. (17303) Very occasionally a monitor connected to DisplayLink device could remain blank after resuming from suspend. (18106) On some platforms DisplayLink device volume setting can change value to operating system default on resuming from suspend for a short period of time. (17682) Installing McAfee anti-virus together with DisplayLink software can result in a BSOD. (18128) Paint effect and blinking leftovers when "GPU setting" is set to "NVIDIA High Performance" in Nvidia Control Panel. (17912) 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