Summary of changes
	Installation instructions
	Determining which version is installed
	Version information

Version 4.75.0.50

• (Fix) Fixed a suspend time issue.

Version 4.47.0.50

• (New) (Initial release) Support for ThinkPad SL400, SL500
• (Fix) Beep volume is too loud.
• (Added) Support for ThinkPad SL300
  

Note:

• If your computer runs satisfactorily now, it may not be necessary to update the software. To determine if you should update the software, refer to the Version Information section.

1. Start Windows Vista and logon with administrative privileges.
2. Double-click the driver package to extract it to your hard drive.
   The default location is C:\DRIVERS\Vista32\AUDIOC.
3. Click Start, then click All Programs.
4. Click Accessories, then click Run....
5. Specify SETUP.EXE with the full path name where you extracted the package in the step 2, and click OK. Example:
   C:\DRIVERS\Vista32\AUDIOC\SETUP.EXE
6. Follow the instructions on the screen.
7. Click Finish to reboot the system to complete the installation.
   

1. Start Windows Vista and logon with administrative privileges.
2. Double-click the driver package to extract it to your hard drive.
   The default location is C:\DRIVERS\Vista32\AUDIOC.
3. Click Start, then click All Programs.
4. Click Accessories, then click Run....
5. Specify SETUP.EXE -s with the full path name where you extracted the package in the step 2, and click OK. Example: C:\DRIVERS\Vista32\AUDIOC\SETUP.EXE -s
6. Follow the instructions on the screen.
7. Reboot the system to complete the installation.
   

1. Click Start, then click Control Panel.
2. Click System and Maintenance, then click System.
3. Click Device Manager.
4. Click the + sign in front of the Sound, video and game controllers category.
5. Double-click Conexant High Definition SmartAudio 221.
6. Click the Driver tab. Then you will see the Driver Version.