Note: This driver will now automatically extract to your hard drive. It will only extract under Windows 95, Windows 98, Windows NT, and Windows 2000.

This Additional Information field contains the following sections:  
I. Summary of changes
II. Installation instructions
III. Determining which version is installed

I. Summary of changes
version 1.52
- (New) Support for ThinkPad 380, 380D, 385D, 380E, 380ED, and 385ED.
version 1.53
- (New) Support for ThinkPad 770.
version 1.80
- (New) Support for ThinkPad 380Z, 560Z, 600, 770E, and 770ED.
- (New) Support for SRS 3D Sound
version 1.90
- (New) Support for ThinkPad 770X, and 600E.
version 1.91
- (Fix) When uninstalling, system will hang.
- (Fix) Sound is played when resume from suspend after pause video clip.
version 1.92
- (New) Support for ThinkPad 770Z.
- (Fix) Dial-tone doesn't ring
- (Fix) Machine is not booting after connecting to Midi port
version 1.923
- (Fix) RealPlayer will only play MP3 files through the left speaker.
 
II. Installation instructions
If there is a previous version installed, follow the uninstall instructions first.

Uninstall

1. Start Windows NT 4.0 and logon with administrative privilege.
2. Click Start, select Settings, then click Control Panel.
3. Double-click the Multimedia icon. The Multimedia Properties window will appear.
4. Click the Devices tab.
5. Double-click Audio Devices. If the following message appears:
   There are no devices of this class installed in your system, then proceed to the Installation Instructions below; otherwise continue with step 6.
6. Click Audio for CrystalWare device that appears directly below Audio Devices and click the Remove button.
7. Restart Windows NT, when prompted.

Install

1. Start Windows NT 4.0 and logon with administrative privilege.
2. Extract the Audio Support for Windows NT onto the hard drive.
3. Click Start, select Settings, then click Control Panel.
4. Double-click the Multimedia icon. The Multimedia Properties window will appear.
5. Click the Devices tab.
6. Click the Add button.
7. Select Unlisted or Updated Drivers and click the OK button.
8. When prompted for the location of the file, type C:\DRIVERS\WNT\AUDIO and click the OK button.
9. Select the audio device CrystalWare(TM) and click the OK button. Windows NT may report that any of the driver files are already present in the system. Select the NEW button to ensure a complete installation.
10. If the CrystalWare Configuration Panel appears, click the OK button.
11. When installation program prompt you, restart Windows NT to make the change effective.

III. Determining which version is installed

1. Using explorer, go to Winnt/system32/drivers and right mouse click "CWBAUDIO.SYS"
   
2. Click Properties.
   
3. Click the Version tab
   
4. Click Product Version