Dell DR4000 Owner's Manual - Page 46
PCI IRQ Assignments Screen, Enabled, with PXE, Enabled with PXE, Disabled, Default - iscsi
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Option Embedded Gb NICx (NIC1 default: Enabled with PXE; Other NICs: Enabled) MAC Address OS Watchdog Timer (Disabled default) I/OAT DMA Engine (Disabled default) Embedded Video Controller (Enabled default) Description Enables or disables the embedded NICs. Options are Enabled, Enabled with PXE, and Enabled with iSCSI Boot. PXE support allows the system to boot from the network. Displays the MAC address for the NIC. Sets a timer to monitor the operating system for activity, and aids in recovery if the system stops responding. When Enabled, the operating system is allowed to initialize the timer. When Disabled, the timer is not initialized. NOTE: This feature is usable only with operating systems that support WDAT implementations of the Advanced Configuration and Power Interface (ACPI) 3.0b specification. Enables or disables the I/O acceleration technology (I/OAT). This feature should only be enabled if the hardware and software support I/OAT. Displays the total amount of video memory available in the embedded video controller. PCI IRQ Assignments Screen Option Embedded X-treme PCI Adapter Description Use the and keys to manually select an IRQ for a given device, or select Default to allow the BIOS to select an IRQ value at system startup. 46 Using the System Setup Program and UEFI Boot Manager