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Table 40. Integrated Devices details (continued)
Option
OS Watchdog Timer
Empty Slot Unhide
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 C6620 system. The Serial Communication option is applicable only if
the serial COM port is installed in the system.
Table 41. Serial Communication details
Option
Serial Communication
Serial Port Address
External Serial Connector
Description
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.
Enables or disables the root ports of all the empty slots that are accessible to
the BIOS and operating system. This option is set to Disabled by default.
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.
This option is set to Platform Default Bifurcation by default. The slot
bifurcation field is accessible when set to Manual bifurcation Control and
is grayed out when set to Platform Default Bifurcation.
NOTE:
The slot bifurcation supports on PCIe slot only, does not support
slot type from Paddle card to Riser and Slimline connector to Riser.
Description
Enables the serial communication options. 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.
The options available for System without serial COM port (DB9) are On
without Console Redirection,
On with Console Redirection, Off. This option is set to
Off by default.
Enables you to set the port address for serial devices. This option is set to
COM1, COM2 (COM1=0x3F8, COM2=0x2F8) by default.
NOTE:
You can use only Serial Device 2 for the Serial Over LAN (SOL)
feature. To use console redirection by SOL, configure the same port
address for console redirection and the serial device.
NOTE:
Every time the system boots, the BIOS syncs the serial MUX
setting that is saved in iDRAC. The serial MUX setting can independently
be changed in iDRAC. Loading the BIOS default settings from within the
BIOS setup utility may not always revert the serial MUX setting to the
default setting of Serial Device 1.
Enables you to associate the External Serial Connector to Serial Device 1 by
using this option.
Pre-operating system management applications
43
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