Lenovo ThinkPad X200 Hardware Maintenance Manual - Page 103
System board and ExpressCard slot assemblys, Important notices for handling the system board - tablet pc
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Table 26. Removal steps of DC-in connector, fan, digitizer pen case, and pen switch assembly (continued) When installing: • Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the part marked a as in the following figure. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. You need to peel the thin film off from the rubber b . For ThinkPad X200 Tablet: For ThinkPad X201 Tablet: • Make sure that the fan connector is attached firmly. 1190 System board and ExpressCard slot assemblys Important notices for handling the system board: When handling the system board, bear the following in mind. • The system board has an accelerometer, which can be broken by applying several thousands of G-forces. Note: Dropping a system board from a height of as little as 6 inches so that it falls flat on a hard bench can subject the accelerometer to as much as 6,000 G's of shock. • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite. • If a system board is dropped, you must test it, using PC-Doctor for DOS, to make sure that the HDD Chapter 8. Removing and replacing a FRU 97