USB board
Table 5-6 USB board description and part number
Description Spare part number
USB board
NOTE: The USB board spare part kit does not include the cables. The high speed USB cable is available
as spare part number L73309-001. The low speed USB cable is available as spare part number
L73310-001.
L91522-001
Before removing the USB board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 20).
2. Remove the bottom cover (see Bottom cover on page 21).
3. Disconnect the battery (see Battery on page 23).
Remove the USB board:
1. Disconnect the top cable from the USB board (1).
2. Disconnect the two at ribbon cables from the two reverse ZIF connectors on the USB board (2).
3. Remove the four Phillips M2.0 × 3.5 screws (3) that secure the USB board to the computer, and then
remove the board (4).
Reverse this procedure to install the USB board.
Component replacement procedures 29
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