Dell Latitude 3550 - Page 76

Figure 45. Installing the system board
CAUTION:
The system has a coin-cell battery that is connected to the I/O board. Disconnecting the I/O
board cable resets the BIOS setup program settings to default. Note the BIOS setup program settings before
disconnecting the I/O board cable.
76 Removing and installing Field Replaceable Units (FRUs)