Menu Item DescriptionMemory Mapped I/O above4GBAllows you to enable support for PCIe devices that require large amountsof memory. By default, the option is set to Enabled.Slot Disablement Allows you to enable or disable available PCIe slots on your system. TheSlot Disablement feature controls the configuration of PCIe cardsinstalled in the specified slot. Slot disablement must be used only whenthe installed peripheral card is preventing booting into the operatingsystem or causing delays in system startup. If the slot is disabled, both theOption ROM and UEFI driver are disabled.Serial Communication screenYou can use the Serial Communication screen to view the properties of the serial communication port.To view the Serial Communication click System Setup Main Menu → System BIOS → SerialCommunication.Menu Item DescriptionSerial Communication Selects serial communication devices (Serial Device 1 and Serial Device 2)in the BIOS. BIOS console redirection can also be enabled and the portaddress can be specified. By default, Serial Communication option is setto Auto.Serial Port Address Enables you to set the port address for serial devices. By default, theSerial Port Address option is set to Serial Device 1=COM2, Serial Device2=COM1NOTE: You can use only Serial Device 2 for the Serial Over LAN(SOL) feature. To use console redirection by SOL, configure thesame port address for console redirection and the serial device.NOTE: Every time the system boots, the BIOS syncs the serial MUXsetting saved in iDRAC. The serial MUX setting can independently bechanged in iDRAC. Therefore, loading the BIOS default settings fromwithin the BIOS setup utility may not always revert this setting to thedefault setting of Serial Device 1.External Serial Connector You can associate the External Serial Connector to Serial Device 1, SerialDevice 2, or the Remote Access Device 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 addressfor console redirection and the serial device.NOTE: Every time the system boots, the BIOS syncs the serial MUXsetting saved in iDRAC. The serial MUX setting can independently bechanged in iDRAC. Therefore, loading the BIOS default settings fromwithin the BIOS setup utility may not always revert this setting to thedefault setting of Serial Device 1.Failsafe Baud Rate Displays the failsafe baud rate for console redirection. The BIOS attemptsto determine the baud rate automatically. This failsafe baud rate is usedonly 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 TerminalType option is set to VT 100/VT 220.26
