Table of Contents
Advertisement
Option
PCIe Preferred IO Device
SR-IOV Global Enable
Internal SD Card Port
Internal SD Card Redundancy
Internal SD Primary Card
OS Watchdog Timer
Memory Mapped I/O Limit
Slot Disablement
Slot Bifurcation
Serial Communication
To view the Serial Communication screen, power on the system, press F2, and click System Setup Main Menu > System BIOS >
Serial Communication.
NOTE:
The serial port is optional for the PowerEdge R6525 system. The Serial Communication option is applicable only
if the serial COM port is installed in the system.
Table 27. Serial Communication details
Option
Serial Communication
Description
is installed), then the Embedded Video Controller is automatically used as the primary
display even if the Embedded Video Controller setting is set to Disabled.
When set to Enabled, you can provide the Bus/device/function address (in decimal)
to choose end device for preferred IO device. This option is set to Disabled by
default.
Enables or disables the BIOS configuration of Single Root I/O Virtualization (SR-IOV)
devices. This option is set to Disabled by default.
Enables or disables the internal SD card port of the Internal Dual SD Module
(IDSDM). This option is set to On by default.
Configures the redundancy mode of the Internal Dual SD Module (IDSDM). When set
to Mirror Mode, data is written on both SD cards. After failure of either card and
replacement of the failed card, the data of the active card is copied to the offline
card during the system boot.
When Internal SD Card Redundancy is set to Disabled, only the primary SD card is
visible to the OS. This option is set to Mirror by default.
By default, the primary SD card is selected to be SD Card 1. If SD Card 1 is not
present, then the controller selects SD Card 2 to be the primary SD card. This option
is set to SD Card 1 by default.
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.
Controls where MMIO is mapped. The 1 TB option is designed for specific 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 recommended in most
cases.
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 will be available for control.
Slot n: Enables or disables or only the boot driver is disabled for the PCIe slot n. This
option is set to Enabled by default.
Auto Discovery Bifurcation Settings allows Platform Default 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 grayed out when set to
Platform Default Bifurcation.
Description
Selects serial communication devices (Serial Device 1 and Serial Device 2) in BIOS.
BIOS console redirection can also be enabled, and the port address can be specified.
This option is set to Auto by default.
Pre-operating system management applications
31
Advertisement
Table of Contents
