Lenovo 055335U Hardware Maintenance Manual - Page 98

Accelerometer chip for the HDD Active Protection, Multi Chip Package MCP processor

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Page 98 highlights

• "1120 PCI Express Mini Card for wireless LAN" on page 76 • "1130 Backup battery" on page 78 • "1140 Bluetooth daughter card (BDC-2)" on page 78 • "1150 Media Card Reader slot board and Media Card Reader cable assembly" on page 79 • "1160 Keyboard" on page 81 • "1170 Keyboard bezel" on page 83 • "1180 LCD unit" on page 85 • "1190 Top shielding assembly" on page 89 Location of major sensitive components on the system board 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 Accelerometer chip for the HDD Active Protection System b Multi Chip Package (MCP) processor c Video chip (only for discrete models) d Platform Controller Hub (PCH) For ThinkPad L412 integrated models (top side): a For ThinkPad L412 integrated models (bottom side): b d 92 Hardware Maintenance Manual

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•
“1120 PCI Express Mini Card for wireless LAN” on page 76
•
“1130 Backup battery” on page 78
•
“1140 Bluetooth daughter card (BDC-2)” on page 78
•
“1150 Media Card Reader slot board and Media Card Reader cable assembly” on page 79
•
“1160 Keyboard” on page 81
•
“1170 Keyboard bezel” on page 83
•
“1180 LCD unit” on page 85
•
“1190 Top shielding assembly” on page 89
Location of major sensitive components on the system board
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
Accelerometer chip for the HDD Active Protection
System
b
Multi Chip Package (MCP) processor
c
Video chip (only for discrete models)
d
Platform Controller Hub (PCH)
For ThinkPad L412 integrated models (top side):
a
For ThinkPad L412 integrated models (bottom side):
b
d
92
Hardware Maintenance Manual