Lenovo ThinkPad T60p - Manual (Page 42)

Note: Use only the memory types supported by your computer. If you
incorrectly install the optional memory or install an unsupported
memory type, a warning beep will sound when you try to start the
computer.
To install an SO-DIMM, do the following:
1. Touch a metal table or a grounded metal object. This action reduces any
static electricity in your body, which could damage the SO-DIMM. Do
not touch the contact edge of the SO-DIMM.
2. Turn off the computer ; then disconnect the ac adapter and all cables
from the computer.
3. Close the computer display, and turn the computer over.
4. Remove the battery.
5. Remove the palm rest.
For the 14-inch and 15-inch display model
a. Remove the screws that hold the palm rest in place.
Replacing memory
34 ThinkPad ® T60 Service and Troubleshooting Guide