Reference Guide
BIOS Settings Name Description Supported
Operating
System(s)
• COM3
• COM4
• BMC Serial
• BMC NIC
• RAC
• COM1BMC
• RS232
• RS422
• RS485
Serial Port 2
Configures the 2nd serial port of the system.
Possible values are:
• Disabled — Disables the 2nd serial port.
• Auto — Enables the auto-configuration of the 2nd serial
port.
• COM2
• COM4
• RS232
• RS422
• RS485
Windows, Linux
Serial Port 3
Configures the 3rd serial port of the system.
Possible values are:
• Disabled — Disables the 3rd serial port.
• Auto — Enables the auto-configuration of the 3rd serial
port.
• RS232
• RS422
• RS485
Windows, Linux
Serial Port 4
Configures the 4th serial port of the system.
Possible values are:
• Disabled — Disables the 4th serial port.
• Auto — Enables the auto-configuration of the 4th serial
port.
• RS232
• RS422
• RS485
Windows, Linux
Serial Port 5
Configures the system’s 5th serial port.
Possible values are:
• Disabled — Disables the 5th serial port.
• Auto — Enables the auto-configuration of the 5th serial
port.
Windows, Linux
Serial Port 6
Configures the 6th serial port of the system.
Possible values are:
• Disabled — Disables the 6th serial port.
• Auto — Enables the auto-configuration of the 6th serial
port.
Windows, Linux
SERR DMI Message
Enables or Disables SERR DMI Messages.
Windows, Linux
BIOS settings supported in Dell Command | Monitor 10.3 289