I had the same problem with my 600x... I replaced the sub card and now it works flawlessly!
Rick Davis
January 2008
when it loads up press esc and then when the next screen comes up press f1
samuel
December 2007
Error code 8611 on IBM thinkpad 600x laptop is System bus error-I/F. As explained in www.lenovo.com. It could be any of these in this order:
1. Reseat the keyboard cable on the sub card
2. Keyboard
3. External mouse
4. Sub card
5. Systen board
Ikpolo Olabosipo
October 2007
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