Table 20. Removal steps of system board and fan assembly

Following components soldered on the top side of the system board are extremely sensitive. When you service the system board, avoid any kind of rough handling.

For CULV (Customer Ultra-Low Voltage) models:

Accelerometer chip for the HDD Active Protection System

CPU

GMCH (Graphics Memory Controller Hub) ICH (I/O Controller Hub)

a

b

Removing and replacing a FRU 91

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Lenovo 019726U manual For Culv Customer Ultra-Low Voltage models, Cpu