Lenovo 2815 User Manual - Page 126
Accelerometer chip for the HDD Active Protection System, ICH I/O Controller Hub
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Table 26. Removal steps of system board, fan assembly, and 34-mm ExpressCard slot frame 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. a ICH (I/O Controller Hub) b CPU c GMCH (Graphics Memory Controller Hub) d Accelerometer chip for the HDD Active Protection System™ a c b d 118 ThinkPad T400s Hardware Maintenance Manual
Table 26. Removal steps of system board, fan assembly, and 34-mm ExpressCard slot frame
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.
±a²
ICH (I/O Controller Hub)
±b²
CPU
±c²
GMCH (Graphics Memory Controller Hub)
±d²
Accelerometer chip for the HDD Active Protection System
™
a
d
c
b
118
ThinkPad T400s Hardware Maintenance Manual