Appendix B. Customer Replacement Units (CRUs)
You can find instructions for replacing CRUs by machine type in one of the
reference materials listed in the charts below.
Note: Use only parts provided by Lenovo
8252, 8253, 8254, 8255, 8256, 8257, 8258, 8259, 8451, 8452, 8453, 8454, 8455, 8456, 8457,
8458, 8459, 8460, 8461, 8462
Quick Reference User Guide
Hardware
Replacement Guide
Tier 1 CRUs
Keyboard X X
Mouse X X
Tier 2 CRUs
Memory X X
Adapter Cards X X
If you are unable to access these instructions or if you have difficulty replacing
a CRU, you can use either of the following additional resources:
v The Hardware Replacement Guide is available in the Online Books folder on
your computer. Click All Programs -> Online Books to find the Hardware
Replacement Guide.
v The Online Hardware Replacement Guide is also available on the Lenovo
Support Web site http://www.lenovo.com/support. You will need to enter
your Machine Type information and look under publications to find the
appropriate Hardware Replacement Guide.
© Lenovo 2005. Portions © IBM Corp. 2005. 31
