Lenovo ThinkPad Edge E30 Hardware Maintenance Manual page 94

Table 21. 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 (MT0196 and MT0492):
a
Accelerometer chip for the HDD Active Protection System™
b
CPU
c
GMCH (Graphics Memory Controller Hub)
d
ICH (I/O Controller Hub)
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ThinkPad Edge 13², E30, and E31 Hardware Maintenance Manual
a
b
c
d