http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=YAST-3JZNDP notes the other models but the R51 appears to be the same. You get to have them reset it.
I have a laptop that when i boot up, it gives me an error code then goes into a locked passcode that I do not know. The error code is 0271-check date and time settings. Then the passcode screen comes up. Does anyone know how to get pass this problem? I've been dealing with this for a year now.