http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-70595Version: 4.92.12.0/3.64.10.0
Release Date: 2009/10/29
你确定是下的最新的驱动?看看他的更新记录就知道修改了多少bug了。。。
4.92.12.0 (Vista) / 3.64.10.0 (XP)
(New) The installation program has been changed to Inno Setup.
(New) Changed the SmartAudio launch path for Control Panel in Category View. Now SmartAudio can be launched through "Sounds, Speech, and Audio Devices" on Windows XP and "Hardware and Sound" on Windows Vista.
(Fix) Fixed an issue that generated the pop-up error message, 'Can not set language to .....' on Chinese or Polish language edition of Operating Systems.
(Fix) Fixed an issue where the audio might be lost when connecting to the Wimba site.
(Fix) Fixed an issue that generated a pop-up error message when using Microsoft Producer.
(Fix) Fixed an issue where the sound might be lost after the Back space key was continuously pressed.
4.92.7.0 (Vista) / 3.64.7.0 (XP)
(Fix) Corrected the name of support device from "Conexant High Definition SmartAudio 221" to "Conexant 20561 SmartAudio HD".
(Fix) Fixed an issue that caused errors in Beam Forming function with Tablet Shortcut Menu utility.
(Fix) Fixed an issue where sound might not be audible after resuming normal operation from standby.
(Fix) Fixed an issue where the SmartAudio II icon in the task tray was unresponsive after resuming normal operation from standby or hibernation state when "Run In System Tray" was enabled on Windows XP.
(Fix) Fixed an issue where the SmartAudio II icon in the task tray disappeared after restarting the computer when "Run In System Tray" was enabled.
(Fix) Fixed an issue where the Audio Director Volume Mixer might show multiple output devices and a microphone in classic mode after reset on Windows Vista.
(Fix) Fixed an issue where language settings were not saved after restart.
(Fix) Fixed an issue that changed the volume level every time switched between Classic and Multistream mode on Windows Vista.
(Fix) Fixed an issue that did not restore default settings after reset on the audio menus.
(Fix) Fixed an issue where an error message was displayed when SmartAudio icon was double-clicked in Control Panel.
4.92.5.0 (Vista) / 3.64.6.0 (XP)
(New) Enhanced device driver functions.
(New) Corrected Beam-forming function implementation on SmartAudio II application. By this correction, added support for ThinkPad X200 Tablet.
(Fix) Corrected the name of support device from "Conexant High Definition Audio" to "Conexant High Definition SmartAudio 221".
(Fix) Fixed an issue where the built-in microphone never be off when an external microphone was connected. This might cause reverberation.
(Fix) Fixed an issue where microphone volume level was too low.
4.92.2.0 (Vista) / 3.64.2.50(XP)
(New) Added support for Smart Audio II application.
4.76.0.0 (Vista) / 3.54.0.51 (XP)
(New) Improved resume completion time from Sleep/Standby/Hibernate state.
(Fix) Misaligned/missing SmartAudio property tabs/menus with 120DPI-WUXGA settings of screen mode.
Version 4.56.0.50 (Vista) / 3.54.0.51 (XP)
(New) Support for ThinkPad W700ds (added).
(Fix) Reduced noise level during sound recording.
(New) Support for ThinkPad X200 Tablet, X200s .
Version 4.56.0.0 (Vista) / 3.53.0.0 (XP)
(New) Initial release for ThinkPad R400,R500,T400,T500,W500,X200
(New) Support for ThinkPad W700, X301 (added).