2012
11-28
http://support.lenovo.com/en_US/detail.page?LegacyDocID=MIGR-72586 Unknown Devices after installing Windows XP with SP2 - ThinkPad SL300, SL400, SL500, R400, R500, T400, T500, W500, W700, W700ds, X200, X200s, X200 Tablet and X301