Dell EMC PowerEdge R7425 - Page 51

Option Description
Internal MicroSD
Car
d Port
Enables or disables the internal MicroSD card port of the Internal Dual SD Module (IDSDM). This option is set to
On
by default.
Internal MicroSD
Car
d Redundancy
Congures the r
edundancy mode of the Internal Dual SD Module (IDSDM). When set to Mirror Mode, data is
written on both MicroSD cards. After failure of either card and replacement of the failed card, the data of the
active card is copied to the oine card during the system boot.
When Internal SD Card Redundancy is set to Disabled, only the primary MicroSD card is visible to the OS. This
option is set to Disabled by default.
Internal microSD
Primary Car
d
When
Redundancy is set to Disabled, either one of the MicroSD card can be selected to present itself as mass
storage device by setting it to be primary card. By default primary MicroSD card is selected to be SD Card 1. If
MicroSD Card 1 is not present, then the controller will select 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
op
tion 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 eect on the system.
Memory Mapped
I/O Limit
Controls where MMIO is mapped. The 1 TB option is designed for specic OS which cannot support MMIO over 1
TB. This option is set to 8 TB by default. The default option is the maximum address that the system supports and
r
ecommended in most cases.
Slot Disablement Enables or disables the available PCIe slots on your system. The slot disablement feature controls the conguration
of the PCIe cards installed in the specied 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 will be available for control.
Table 37. Slot Disablement
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 7
Enables or disables or only the boot driver is disabled for the PCIe slot 7. This option
is set to Enabled by default.
Slot 8
Enables or disables or only the boot driver is disabled for the PCIe slot 8. This option
is set to Enabled by default.
Slot Bifurcation Allows
Platform Default Bifurcation and Manual bifurcation Control. The default is set to Platform Default
Bifurcation. The slot bifurcation eld is accessible when set to Manual bifurcation Control and is grayed out when
set to Platform Default Bifurcation.
Pre-operating system management applications 51