Serial Communications Screen - Dell PowerEdge M520 Owner's Manual

Menu Item Description
Internal SD Card If set to Mirror mode, data is written on both SD cards. If any one of the SD card fails, data is
Redundancy written to the active SD card. Data from this card is copied to the replacement SD card at the
next boot. By default, Internal SD Card Redundancy option is set to Mirror.
Integrated Network Allows you to enable or disable the integrated network card 1. By default, the Integrated
Card 1 Network Card 1 option is set to Enabled.
OS Watchdog Timer Allows you to enable or disable the OS watchdog timer. When this field is enabled, the
operating system initializes the timer and the OS watchdog timer helps in recovering the
operating system. By default, the OS Watchdog Timer option is set to Disabled.
Embedded Video Allows you to enable or disable the Embedded Video Controller. By default, the embedded
Controller video controller is Enabled.
SR-IOV Global Enable Allows you to enable or disable the BIOS configuration of Single Root I/O Virtualization (SR-
IOV) devices. By default, the SR-IOV Global Enable option is set to Disabled.
Memory Mapped I/O Allows you to enable support for PCIe devices that require large amounts of memory. You can
above 4GB enable this option only on 64-bit operating systems. By default, the option is set to Disabled.
Slot Disablement Allows you to enable or disable available PCIe slots on your system. The Slot Disablement
feature controls the configuration of PCIe cards installed in the specified slot.

Serial Communications Screen

Menu Item Description
Serial Communication Allows you to enable the COM port or Console Redirection options.
Serial Port Address Allows you to set the port address for serial devices. By default, the Serial Port Address option
is set to COM1.
Failsafe Baud Rate Displays the failsafe baud rate for console redirection. The BIOS attempts to determine the
baud rate automatically. This failsafe baud rate is used only if the attempt fails and the value
must not be changed. By default, the Failsafe Baud Rate option is set to 11520.
Remote Terminal Allows you to set the remote console terminal type. By default, the Remote Terminal Type
Type option is set to VT 100/VT220.
Redirection After Allows you to enable or disable to the BIOS console redirection when the operating system is
Boot loaded. By default, the Redirection After Boot option is set to Enabled.
NOTE: This option is displayed only if IDSDM is installed on the system board.
CAUTION: Slot disablement must be used only when the installed peripheral card is
preventing booting into the Operating System or causing delays in system startup. If the
slot is disabled, both the Option ROM and UEFI driver are disabled.
NOTE: Only Serial Device 2 can be used for Serial Over LAN (SOL). To use console
redirection by SOL, configure the same port address for console redirection and the serial
device.
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