Lenovo V4400u Hardware Maintenance Manual - Lenovo V4400u - Page 66

Platform Controller Hub PCH, When you put a system board down

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• When you put a system board down, be sure to put it only on a padded surface such as an ESD mat or a corrugated conductive surface. Locating major sensitive components on the system board Attention: The following components mounted on a system board are extremely sensitive. Improper handling of a system board can cause damage to the following components, and might cause a system malfunction. When you service the system board, avoid any kind of rough handling. a Platform Controller Hub (PCH) b Microprocessor c Graphics chip (for discrete graphics models) For models with an integrated thermal module assembly b a For models with a discrete thermal module assembly a 60 Hardware Maintenance Manual

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When you put a system board down, be sure to put it only on a padded surface such as an ESD mat
or a corrugated conductive surface.
Locating major sensitive components on the system board
Attention:
The following components mounted on a system board are extremely sensitive. Improper
handling of a system board can cause damage to the following components, and might cause a system
malfunction. When you service the system board, avoid any kind of rough handling.
a
Platform Controller Hub (PCH)
b
Microprocessor
c
Graphics chip (for discrete graphics models)
For models with an integrated thermal module assembly
a
b
For models with a discrete thermal module assembly
a
60
Hardware Maintenance Manual