Table of Contents
Advertisement
Table 53. Integrated Devices details (continued)
Option
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.
Table 54. Serial Communication details
Option
Serial Communication
Serial Port Address
External Serial Connector
54
Pre-operating system management applications
Description
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.
Slot 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.
NOTE:
This option is only available for 3rd Generation AMD EPYC
processors.
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.
Enables you to set the port address for serial devices.
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,
Serial Device 2, or the Remote Access Device by using this option. This
option is set to Serial Device 1 by default.
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.
NOTE:
Every time the system boots, the BIOS syncs the serial MUX
setting saved in iDRAC. The serial MUX setting can independently be
changed in iDRAC. Loading the BIOS default settings from within the BIOS
Advertisement
Table of Contents
