System becomes very slow running Bluetooth with Enhanced Data Rate Software for Windows XP, 2000 - ThinkPad
Symptom
If user ID has a full registry access (administrator group), the system becomes very slow running Bluetooth with Enhanced Data Rate Software for Windows XP, 2000.
Affected configurations
Any of the following systems running Microsoft Windows XP or Microsoft Windows 2000:
ThinkPad R52 (*1)
ThinkPad R60, R60e, R61, R61e, R61i
ThinkPad T43 (*1), T43p (*1)
ThinkPad T60, T60p, T61, T61p
ThinkPad X32 (*1)
ThinkPad X41 (*1)
ThinkPad X41 Tablet (*1)(*2)
ThinkPad X60, X60s, X61, X61s
ThinkPad X60 Tablet (*2), X61 Tablet (*2)
ThinkPad X300
ThinkPad Z60m, Z60t, Z61e, Z61m, Z61p, Z61t
*1: Does not support Enhanced Data Rate due to the Hardware restriction. *2: Supports Microsoft Windows XP Tablet Edition 2005.
Solution
Update Enhanced Sata Rate driver to Version: 5.1.0.4700 released on 2007/12/12 or later.