Option DescriptionOS WatchdogTimerIf your system stops responding, this watchdog timer aids in the recovery of your operating system. When thisoption is set to Enabled, the operating system initializes the timer. When this option is set to Disabled (thedefault), the timer does not have any effect on the system.Memory MappedI/O above 4 GBEnables or disables the support for PCIe devices that need large amounts of memory. This option is set toEnabled by default.Slot Disablement Enables or disables the available PCIe slots on your system. The slot disablement feature controls theconfiguration of PCIe cards installed in the specified slot. Slots must be disabled only when the installed peripheralcard prevents booting into the operating system or causes delays in system startup. If the slot is disabled, boththe Option ROM and UEFI drivers are disabled.Serial Communication detailsAbout this taskThe Serial Communication screen details are explained as follows:Option DescriptionSerialCommunication Selects serial communication devices (Serial Device 1 and Serial Device 2) in BIOS. BIOS console redirection canalso be enabled and the port address can be specified. This option is set to Auto by default.Serial PortAddressEnables you to set the port address for serial devices. This option is set to Serial Device 1=COM2, SerialDevice 2=COM1 by default.NOTE: You can use only Serial Device 2 for the Serial Over LAN (SOL) feature. To use consoleredirection 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. Theserial MUX setting can independently be changed in iDRAC. Loading the BIOS default settingsfrom within the BIOS setup utility may not always revert the serial MUX setting to the defaultsetting of Serial Device 1.External SerialConnector Enables you to associate the External Serial Connector to Serial Device 1, Serial Device 2, or the Remote AccessDevice by using this option.NOTE: Only Serial Device 2 can be used for Serial Over LAN (SOL). To use console redirection bySOL, 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. Theserial MUX setting can independently be changed in iDRAC. Loading the BIOS default settingsfrom within the BIOS setup utility may not always revert this setting to the default setting ofSerial Device 1.Failsafe Baud Rate Specifies the failsafe baud rate for console redirection. The BIOS attempts to determine the baud rateautomatically. This failsafe baud rate is used only if the attempt fails, and the value must not be changed. Thisoption is set to 115200 by default.Remote TerminalTypeSets the remote console terminal type. This option is set to VT 100/VT 220 by default.Redirection AfterBootEnables or disables the BIOS console redirection when the operating system is loaded. This option is set toEnabled by default.System Profile Settings detailsAbout this taskThe System Profile Settings screen details are explained as follows:Pre-operating system management applications 43
