############################Release Notes################################# (c) Copyright 2012-2015 Advanced Micro Devices, Inc. All rights reserved. LIMITATION OF LIABILITY: THE MATERIALS ARE PROVIDED AS IS WITHOUT ANY EXPRESS OR IMPLIED WARRANTY OF ANY KIND INCLUDING WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT OF THIRD-PARTY INTELLECTUAL PROPERTY, OR FITNESS FOR ANY PARTICULAR PURPOSE. IN NO EVENT SHALL AMD OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS INTERRUPTION, LOSS OF INFORMATION) ARISING OUT OF THE USE OF OR INABILITY TO USE THE MATERIALS, EVEN IF AMD HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, THE ABOVE LIMITATION MAY NOT APPLY TO YOU. AMD does not assume any responsibility for any errors which may appear in the Materials nor any responsibility to support or update the Materials. AMD retains the right to make changes to its test specifications at any time, without notice. NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any further information, software, technical information, know-how, or show-how available to you. U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials and documentation are provided with RESTRICTED RIGHTS. Use, duplication or disclosure by the Government is subject to restrictions as set forth in FAR52.227014 and DFAR252.227-7013, et seq., or its successor. Use of the Materials by the Government constitutes acknowledgment of AMD’s proprietary rights in them. =========================================================================== AMD Adaptive S4 drivers Version 1.1.0.0022 Release date 10/24/2013 Contents 1 Introduction 2 System Requirements 3 Supported Operating Systems 4 Included Files 5 Installing And Uninstalling Instructions For The Driver 6 Troubleshooting 7 Revision History =========================================================================== 1. Introduction =============== AMD Adaptive S4 ACPI driver is a communication vehicle between the App and the BIOS' adaptive S4 related ACPI objects. 2. System Requirements ====================== Ensure that you are using a supported operating system and have the required files. 3. Supported Operating Systems ============================== Win8,win8.1 & Win10 32-bit and 64-bit. 4. Included Files ================= x86\AmdAS4.sys 32-bit Adaptive S4 ACPI device driver x64\AmdAS4.sys 64-bit Adaptive S4 ACPI device driver AmdAS4.inf Installation setup script AmdAS4.cat Digital signature (only if the driver is certified) 5. Installing And Uninstalling Instructions For The Driver ========================================================== To install, in Windows Device Manager, right click target device and select "Install Driver..." or "Update Driver...". To uninstall, in Windows Device Manager, right click target device and select "Uninstall". 6. Troubleshooting ================== If you encounter any problems, uninstall the driver and reboot the computer. 7. Revision History =================== Version 1.1.0.0022 (10/24/2013) - support AS4 2.0 Version 1.1.0.0017 (02/07/2013) - Restrict to only support Win8 OS and fix issue with CIM cannot uninstall driver,due to no file version in sys file. Version 1.1.0.0012 (11/06/2012) - Disable AS4 timer when ACPI driver detects the target system state is S5 Version 1.1.0.0011 (10/24/2012) - Initial release support internal and public release.Only Win 8.Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.