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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 ThinkPad W700 and W700ds:
a CPU
b MCH (Memory Controller Hub)
c Video sub card (Mobile PCI Express Module)
d Accelerometer chip for the HDD Active Protection System
™
e ICH (I/O Controller Hub)
Upper side of the system board:
a
d
b c
Bottom side of the system board:
e
158 ThinkPad W700, W700ds, W701, and W701ds Hardware Maintenance Manual