Table 5-7 USB board description and part number
Description Spare part number
USB board, models with WWAN N85222-001
USB board, models without WWAN N85221-001
SIM card tray, flint gray N91998-001
SIM card tray, cosmic blue N91999-001
USB board bracket (available in the Bracket Kit) N85234-001
Before removing the USB board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 28).
2. Remove the bottom cover (see Bottom cover on page 28).
3. Disconnect the battery cable from the system board (see Battery on page 29).
Remove the USB board:
1. Remove the three Phillips M2.0 × 5.0 screws (1) from the bracket on the board, and then remove the
bracket (2).
2. Remove the SIM card holder (3) on the side of the computer.
3. Disconnect the cables from the two reverse ZIF connectors (4) on the board.
4. Disconnect the speaker cable (5) from the board
5. Remove the three Phillips M2.0 × 3.0 screws (1) from the board.
USB board
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