Dell Latitude 5420 Owner's Manual page 228

System Allows you to control
Management the systems
management
mechanism. The
options are:
Default Setting:
Disabled
Serial Port Identifies and defines
the serial port
settings. You can set
the serial port to:
Disabled
Alert Only
ASF 2.0
DASH/ASF 2.0
Disabled
Auto
COM1
COM2
COM3
COM4
NOTE: The
operating
system may
allocate
resources even
though the
setting is
disabled.