HP Compaq nc6220 Maintenance And Service Manual page 124

Removal and Replacement Procedures
2. Position the notebook with the right side toward you.
3. Disconnect the serial connector module cable 1 from the
system board.
4. Remove the 2 HM5.0×11.0 screw locks 2 that secure
the serial connector module to the base enclosure.
5. Remove the serial connector module 3 from the
base enclosure.
Removing the Serial Connector Module and Cable
Reverse the above procedure to install the serial connector
module.
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