Option DescriptionEmbedded NIC1and NIC2 NOTE: The Embedded NIC1 and NIC2 options are only available on systems that do not have IntegratedNetwork Card 1.Enables or disables the Embedded NIC1 and NIC2 options. If set to Disabled, the NIC may still be available forshared network access by the embedded management controller. The embedded NIC1 and NIC2 options are onlyavailable on systems that do not have Network Daughter Cards (NDCs). The Embedded NIC1 and NIC2 option ismutually exclusive with the Integrated Network Card 1 option. Configure the Embedded NIC1 and NIC2 option byusing the NIC management utilities of the system.I/OAT DMA Engine Enables or disables the I/OAT option. Enable only if the hardware and software support the feature.Embedded VideoControllerEnables or disables the Embedded Video Controller option. This option is set to Enabled by default.Current State ofEmbedded VideoControllerDisplays the current state of the embedded video controller. The Current State of Embedded Video Controlleroption is a read-only field. If the Embedded Video Controller is the only display capability in the system (that is, noadd-in graphics card is installed), then the Embedded Video Controller is automatically used as the primary displayeven if the Embedded Video Controller setting is set to Disabled.SR-IOV GlobalEnableEnables or disables the BIOS configuration of Single Root I/O Virtualization (SR-IOV) devices. This option is set toDisabled by default.OS 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 to Enabledby default.Slot Disablement Enables or disables the available PCIe slots on your system. The slot disablement feature controls the configurationof PCIe cards installed in the specified slot. Slots must be disabled only when the installed peripheral card preventsbooting into the operating system or causes delays in system startup. If the slot is disabled, both the Option ROMand UEFI drivers are disabled.Related linksIntegrated DevicesViewing Integrated DevicesSerial CommunicationYou can use the Serial Communication screen to view the properties of the serial communication port.Related linksSerial Communication detailsSystem BIOSViewing Serial CommunicationViewing Serial CommunicationTo view the Serial Communication screen, perform the following steps:1 Turn on, or restart your system.2 Press F2 immediately after you see the following message:F2 = System SetupNOTE: If your operating system begins to load before you press F2, wait for the system to finish booting, and then restartyour system and try again.3 On the System Setup Main Menu screen, click System BIOS.4 On the System BIOS screen, click Serial Communication.Pre-operating system management applications 51
