=============================================================================== =============================================================================== DisplayLink Software Release: External Release Note Software Package: DisplayLink Graphics Product Version: 7.5.54609.0 Product Date: 28th March 2014 DisplayLink Core Software Version: 7.5.54609.0 DisplayLink Core Software Date: 27th March 2014 DisplayLink DL-3xx0 Firmware Version: 8.6.14.61334 DisplayLink DL-41xx Firmware Version: 8.6.14.61334 =============================================================================== =============================================================================== A. Introduction =============== This is R7.5M2, the second maintenance release of R7.5. It has been put through full system test and is suitable for deployment to end-users. DisplayLink Software Release R7.5M2 delivers the following improvements: - Critical bug fixes DisplayLink Software Release R7.5M0 delivers the following features: - Hardware VGA cable/monitor detection for the DL-3xx0 family - Support for Intel Bay Trail platforms - System compatibility check on install and device connection - Early support for the DL-3950 For further support and information about DisplayLink software, please visit http://www.displaylink.com/support A1. Important notes about DL-3xx0 and DL-41xx Firmware ====================================================== This software release contains an embedded firmware image. DL-3xx0/DL-41xx devices will be automatically upgraded with this firmware upon connection. B. Contents =========== A. Introduction A1. Important notes about DL-3xx0 and DL-41xx Firmware B. Contents C. New features C1. Fixed issues since R7.5 M0 (7.5.52874.0) 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 R7.5M2 delivers the following improvements: - Critical bug fixes DisplayLink Software Release R7.5M1 delivers the following improvements: - Add 2560x1440@50Hz to the mode list if 2560x1440@60Hz is supported by the monitor - Critical bug fixes DisplayLink Software Release R7.5M0 delivers the following features: - Hardware VGA cable/monitor detection for the DL-3xx0 family - Support for Intel Bay Trail platforms - System compatibility check on install and device connection - Early support for the DL-3950 C1. Fixed issues since R7.5 M0 (7.5.52874.0) -------------------------------------------- Issues fixed in R7.5M2 ---------------------- Mouse cursor can disappear in replace mode on some systems. This was a regression introduced in v7.5 M1. (17048) On some platforms, the DisplayLink screen could remain blank or corrupted after switching from clone to extend. (17014) Detaching DisplayLink devices, especially on AMD USB 3.0 host controllers, could cause the system to freeze (16711) Issues fixed in R7.5M1 ---------------------- Wrong mouse position on auto-rotated screens in projector mode. (14788) DisplayLink device could show "USB device not recognized" when switching DisplayLink device while in suspend with some USB 3.0 host controllers. (16600) Corruption on native screen when running GPU benchmarking software. (16680) Increased power consumption on some tablets after installation. (16681) Detaching directly attached monitor can cause blue screens on some switchable platforms when DisplayLink software is installed. (16763) Camera application in Windows Metro interface can stop working on Windows 8 and Windows 8.1 with DisplayLink software installed. (16770) DisplayLink device sometimes can stop operating and needs to be power cycled when playing video on two outputs and Ethernet is heavily utilized. (16501) DL-4xxx devices can disconnect from the host and reconnect periodically on Haswell platform. (16888) On some AMD Graphics PCs, unplugging DisplayLink devices during restart the machine can cause blue screen. (16644) DisplayLink monitor is present in the system when disconnected from DL-3xxxx VGA output. (16593) 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 Corporations can apply for a corporate install version at 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 XP SP2 (32-bit edition only) - Windows XP SP3 (32-bit edition only) - 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 Server 2008 (32-bit and 64-bit editions) (This OS has received limited testing) - Windows Server 2008 R2 (This OS has received limited testing) Video: video is supported in extend mode with most popular video players on Windows XP - Windows 8.1. 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-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. Some use cases may exhibit minor issues, general troubleshooting recommendations are: - detach then reattach the DisplayLink device's USB cable - change display settings using DL-GUI - change display settings using WDP - ensure you have the latest graphics drivers installed for your system GPU For information about specific issues please see the DisplayLink support knowledgebase: http://www.displaylink.com/support/knowledgebase.php