Dell EMC PowerEdge XE7420, Инструкция по установке и обслуживанию

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Option Description
iDRAC Direct
USB Port The iDRAC Direct USB port is managed by iDRAC exclusively with no host visibility. This option is set to
ON or OFF . When set to OFF , iDRAC does not detect any USB devices installed in this managed port.
This option is set to On by default.
I/OAT DMA
Engine Enables or disables the I/O Acceleration Technology (I/OAT) option. I/OAT is a set of DMA features
designed to accelerate network traffic and lower CPU utilization. Enable only if the hardware and
software support the feature.This option is set to
Disabled by default.
Embedded Video
Controller Enables or disables the use of Embedded Video Controller as the primary display. When set to Enabled ,
the Embedded Video Controller is used as the primary display even if add-in graphic cards are installed.
When set to
Disabled , an add-in graphics card is used as the primary display. BIOS will output displays to
both the primary add-in video and the embedded video during POST and pre-boot environment. The
embedded video is disabled before the operating system boots. This option is set to
Enabled by default.
NOTE: When there are multiple add-in graphic cards installed in the system, the first card discovered
during PCI enumeration is selected as the primary video. You might have to re-arrange the cards in
the slots in order to control which card is the primary video.
Current State of
Embedded Video
Controller Displays the current state of the embedded video controller. The Current State of Embedded Video
Controller option is a read-only field. If the Embedded Video Controller is the only display capability in the
system (that is, no add-in graphics card is installed), then the Embedded Video Controller is automatically
used as the primary display even if the
Embedded Video Controller setting is set to .
SR-IOV Global
Enable Enables or disables the BIOS configuration of Single Root I/O Virtualization (SR-IOV) devices. This option
is set to
Disabled by default.
OS Watchdog
Timer If your system stops responding, this watchdog timer aids in the recovery of your operating system. When
this option is set to
Enabled , the operating system initializes the timer. When this option is set to
Disabled (the default), the timer does not have any effect on the system.
Empty Slot
Unhide Enables or disables the root ports of all the empty slots that are accessible to the BIOS and OS. This
option is set to
Disabled by default.
Memory Mapped
I/O above 4 GB Enables or disables the support for the PCIe devices that need large amounts of memory. Enable this
option only for 64-bit operating systems. This option is set to
Enabled by default.
Serial Communication
You can use the Serial Communication screen to view the properties of the serial communication port.
Viewing Serial Communication
To view the Serial Communication screen, perform the following steps:
Steps
1. Power on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE: If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS .
4. On the System BIOS screen, click Serial Communication .
34 Pre-operating system management applications