Option
Description
Internal microSD
Primary Card
When you set
Redundancy
to
Disabled
, you can select one of the MicroSD cards as the primary card that
functions as a mass storage device. By default, the primary MicroSD card is selected to be SD Card 1. If MicroSD
Card 1 is not present, then the controller selects MicroSD Card 2 to be the primary MicroSD card.
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 above Base
When set to
12 TB
, the system maps the MMIO base to 12 TB. Enable this option for an OS that requires 44 bit
PCIe addressing. When set to
512 GB
, the system maps the MMIO base to 512 GB, and reduces the maximum
support for memory to less than 512 GB. Enable this option only for the 4 GPU DGMA issue. This option is set to
56 TB
by default.
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 39. 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 2
Enables or disables or only the boot driver is disabled
for the PCIe slot 2. 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.
Slot 4
Enables or disables or only the boot driver is disabled
for the PCIe slot 4. This option is set to
Enabled
by
default.
Slot 5
Enables or disables or only the boot driver is disabled
for the PCIe slot 5. This option is set to
Enabled
by
default.
Slot 6
Enables or disables or only the boot driver is disabled
for the PCIe slot 6. This option is set to
Enabled
by
default.
Slot Bifurcation
Allows
Platform Default Bifurcation
,
Auto discovery of Bifurcation
and
Manual bifurcation Control
. The default
is set to
Platform Default Bifurcation
. The slot bifurcation field is accessible when set to
Manual bifurcation
Control
and is disabled when set to
Platform Default Bifurcation
or
Auto discovery of Bifurcation
.
56
Pre-operating system management applications
Содержание E46S001
Страница 28: ...System information label Figure 17 PowerEdge R540 Service information 28 Dell EMC PowerEdge R540 overview ...
Страница 30: ...Figure 21 Rear drive installation 30 Dell EMC PowerEdge R540 overview ...
Страница 75: ...Figure 29 Inside the system without rear drive cage Installing and removing system components 75 ...