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Option
Description
User Accessible
USB Ports
Enables or disables the USB ports. Selecting
All Ports Off
disables all USB ports. The USB keyboard and mouse
operate during boot process in certain operating systems. After the boot process is complete, the USB keyboard
and mouse do not work if the ports are disabled. This option is set to
All Ports On
by default.
Internal SD Card
Port
Enables or disables the internal SD Card port on the PCIe riser. This option is set to
On
or
Off
. This option is set to
On
by default.
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.
Embedded NIC1
Enables or disables the Embedded NIC1 port. The option is set to
Enabled
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
Enabled
.
SR-IOV Global
Enable
Enables or disables the BIOS configuration of Single Root I/O Virtualization (SR-IOV) devices. This option is set to
Enabled
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.
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.
Memory Mapped
I/O Base
When set to 12 TB, the system will map MMIO base to 12 TB. MMIO base default is 56 TB. The default value must
not be changed, unless addressing a known issue. Enable this feature for an OS that requires 44 bit PCIe
addressing.
Slot Disablement
Enables or disables the available PCIe slots on your system. The slot disablement feature controls the configuration
of the PCIe cards installed in the specified slot. Slots must be disabled only when the installed peripheral card
prevents booting into the operating system or causes delays in system startup. If the slot is disabled, both the
Option ROM and UEFI drivers are disabled. Only slots that are present on the system are available for control.
Table 31. Slot Disablement
Option
Description
Slot 1
Enables or disables or only the boot driver is disabled
for the PCIe slot 1. This option is set to
Enabled
by
default.
Slot 3
Enables or disables or only the boot driver is disabled
for the PCIe slot 3. This option is set to
Enabled
by
default.
52
Pre-operating system management applications
Содержание PowerEdge C6420
Страница 8: ...Figure 1 Supported configurations for PowerEdge C6420 8 Dell EMC PowerEdge C6420 overview ...
Страница 16: ...Mechanical overview Figure 10 Mechanical overview 16 Dell EMC PowerEdge C6420 overview ...
Страница 17: ...Memory information Figure 11 Memory information Dell EMC PowerEdge C6420 overview 17 ...
Страница 18: ...Jumper settings Figure 12 Jumper settings 18 Dell EMC PowerEdge C6420 overview ...
Страница 68: ...Figure 17 Installing a sled 68 Installing and removing enclosure components ...
Страница 101: ...Figure 48 Removing an expansion card Installing and removing enclosure components 101 ...
Страница 103: ...Figure 50 Removing the expansion card filler bracket Installing and removing enclosure components 103 ...