Dell 840 Integrated Devices Screen

Table 2-3. CPU Information Screen (continued)

Option	Description
Demand-Based Power	Enables or disables demand-based power management. When
Management	enabled, the CPU Performance State tables will be reported to the
(Disabled default)	operating system; when disabled, the CPU Performance State
	tables will not be reported to the operating system. If any of the
	CPUs do not support demand-based power management, the field
	will become read-only, and automatically set to Disabled.
Processor 1 ID	Displays the family, model number, and details for each processor. A
	submenu displays:
	– Core Speed
	– Level 2 Cache
	– Number of Cores
	– 64-bit Technology

Integrated Devices Screen

Table 2-4lists the options and descriptions for the information fields that appear on the Integrated Devices screen.

Table 2-4. Integrated Devices Screen Options

Option	Description
IDE Controller	Enables the integrated IDE controller. When set to Auto, each channel of the
(Auto default)	integrated IDE controller is enabled if IDE devices are attached to the channel and
	the external IDE controller is not detected.
SATA Controller	Allows the integrated SATA controller to be set to Off or ATA Mode. Off disables
(ATA default)	the SATA subsystem. ATA Mode sets the SATA subsystem to Native IDE mode.
USB Controller	Enables or disables the system's USB ports. Options are On with BIOS support,
(On with BIOS support	On without BIOS support, or Off. Disabling the USB ports makes system
default)	resources available for other devices.
Embedded Gb NIC	Enables or disables the system's integrated NIC. Options are Enabled with PXE
(Enabled with PXE	and Disabled. PXE support allows the system to boot from the network. Changes
default)	take effect after the system reboots.
MAC Address	Displays the MAC address for the integrated 10/100/1000 NIC. This field does not
	have user-selectable settings.
Diskette Controller	Enables or disables the system’s diskette drive controller. When Auto is selected,
	the system turns off the controller when necessary to accommodate a controller
	card installed in an expansion slot. You can also configure the drive as Read-Only,
	or Off. When using the Read-Onlysetting, the drive cannot be used to write to a
	disk.

34Using the System Setup Program