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Menu Item Description
delays in system startup. If the slot is disabled, both the Option ROM and UEFI
driver are disabled.
Serial Communication screen
You can use the Serial Communication screen to view the properties of the serial communication port.
To view the Serial Communication screen, click System Setup Main Menu → System BIOS → Serial
Communication. The Serial Communication screen details are explained as follows:
Menu Item Description
Serial Communication Selects serial communication devices (Serial Device 1 and Serial Device 2)
in BIOS. BIOS console redirection can also be enabled and the port
address can be specified. By default, the Serial Communication option is
set to Auto.
Serial Port Address Enables you to set the port address for serial devices. By default, the
Serial Port Address option is set to Serial Device 1=COM2, Serial Device
2=COM1.
NOTE: You can use only Serial Device 2 for the Serial Over LAN
(SOL) feature. To use console redirection by SOL, configure the
same port address for console redirection and the serial device.
NOTE: Every time the system boots, the BIOS syncs the serial MUX
setting saved in iDRAC. The serial MUX setting can independently be
changed in iDRAC. Therefore, loading the BIOS default settings from
within the BIOS setup utility may not always revert the serial MUX
setting to the default setting of Serial Device 1.
External Serial Connector Enables you to associate the External Serial Connector to Serial Device 1,
Serial Device 2, or the Remote Access Device by using this field.
NOTE: Only Serial Device 2 can be used for Serial Over LAN (SOL).
To use console redirection by SOL, configure the same port address
for console redirection and the serial device.
NOTE: Every time the system boots, the BIOS syncs the serial MUX
setting saved in iDRAC. The serial MUX setting can independently be
changed in iDRAC. Therefore, loading the BIOS default settings from
within the BIOS setup utility may not always revert this setting to the
default setting of Serial Device 1.
Failsafe Baud Rate Displays the failsafe baud rate for console redirection. The BIOS attempts
to determine the baud rate automatically. This failsafe baud rate is used
only if the attempt fails, and the value must not be changed. By default,
the Failsafe Baud Rate option is set to 115200.
Remote Terminal Type Sets the remote console terminal type. By default, the Remote Terminal
Type option is set to VT 100/VT 220.
Redirection After Boot Enables or disables the BIOS console redirection when the operating
system is loaded. By default, the Redirection After Boot option is set to
Enabled.
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