Lenovo B590 Hardware Maintenance Manual - Page 67

I/O board

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When installing: Ensure that the connector is attached firmly to the system board. 1140 I/O board For access, remove these FRUs in order: • "1010 Battery pack" on page 44 • "1020 Bottom slot cover" on page 44 • "1030 Optical drive" on page 45 • "1090 Keyboard" on page 53 • "1100 Keyboard bezel" on page 56 Chapter 7. Removing and replacing a FRU 61

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When installing:
Ensure that the connector is attached firmly to the system board.
1140 I/O board
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 44
•
“1020 Bottom slot cover” on page 44
•
“1030 Optical drive” on page 45
•
“1090 Keyboard” on page 53
•
“1100 Keyboard bezel” on page 56
Chapter 7
.
Removing and replacing a FRU
61