Removal and Replacement Procedures
Maintenance and Service Guide 5–55
5.24 Serial Connector Module
✎
This section applies only to full-featured models.
1. Prepare the notebook for disassembly (Section 5.3), 
and then remove the following components:
a. Bluetooth board (Section 5.5)
b. Optical drive (Section 5.8)
c. Keyboard (Section 5.9)
d. Switch cover (Section 5.10)
e. Fan (Section 5.12)
f. Heat sink (Section 5.13)
g. Modem board (Section 5.15)
h. Display assembly (Section 5.18)
i. Top cover (Section 5.19)
j. Speaker (Section 5.20)
k. Digital media board (Section 5.21)
l. USB/audio board (Section 5.22)
m. System board (Section 5.23)
2. Turn the base enclosure upside down with the rear panel 
toward you.
Serial Connector Module Spare Part Number Information
Serial connector module (includes serial connector 
module
 cable)
378227-001