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===========================================================================
                                                                         
                        AMD Adaptive S4 drivers             
                          Version 1.2.0.0046                               
                      Release date 12/22/2016

 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
==============================

Redstone1 & Redstone2 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 1.2.0.0046 (12/22/2016)
	  -   Add new ACPI HID support

Version 1.2.0.0034 (11/08/2015)
	  -   Add Device Guard Support

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.

