Lenovo B4400 Spezifikationen PDF herunterladen (Seite 52)

Lenovo B4400 Hardware Maintenance Manual

1100 System board

For access, remove these FRUs in order:

• “1010 Battery pack” on page 34

• “1020 Dummy card (Optional)” on page 35

• “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot

compartment cover” on page 36

• “1040 Hard disk drive” on page 37

• “1050 Optical drive” on page 40

• “1060 DDR3L SDRAM” on page 41

• “1070 Mini PCI Express Card for wireless LAN/WAN” on page 42

• “1080 Keyboard” on page 44

• “1090 Keyboard bezel” on page 46

Important notices for handling the system board:

When handling the system board, bear the following in mind.

• Be careful not to drop the system board on a bench top that has a hard

surface, such as metal, wood, or composite.

• Avoid rough handling of any kind.

• In the whole process, make sure not to drop or stack the system board.

• If you put a system board down, make sure to put it only on a padded

surface such as an ESD mat or conductive corrugated material.

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Lenovo B4400 Spezifikationen Seite 52