1110 System Board - Lenovo B5400 Touch Hardware Maintenance Manual

1110 System board

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.
• During 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.
For access, remove these FRUs in order:
• "1010 Battery pack" on page 34
• "1020 Base cover" on page 35
• "1040 Optical drive" on page 38
• "1050 Hard disk drive and solid state disk" on page 39
• "1060 PCI Express Mini Card for wireless LAN" on page 42
• "1080 Keyboard" on page 45
• "1090 Keyboard bezel" on page 47
• "1100 USB board and function board" on page 51
Lenovo B5400/M5400/M5400 Touch
53