Kontron AM5020 uEFI BIOS - Manual (Page 20)

Main Setup AM5020 uEFI BIOS
Page 14 ID 1045-0247, Rev. 1.0
P R E L I M I N A R Y
2.5.2 COM4
COM4 is available only if the MicroTCA system provides a serial port via PCI Express.
2.5.2.1 Console Redirection
Default setting: Enabled
2.5.2.2 Console Redirection Settings
For information about this function, refer to Chapter 2.5.4 in this manual.
2.5.3 Serial Port for Out-of-Band Management/Windows Emergency
Management Services (EMS)
The following functions control the presence and content of the ACPI serial port redirection ta-
ble (SPCR). This table is mainly used by the Windows server variants to provide Windows
Emergency Management Services (EMS). This functionality is totally independent from serial
redirection of other console output.
2.5.3.1 Console Redirection
Default setting: Disabled
2.5.3.2 Out-of-Band Mgmt Port
This function is used to select the serial port intended for use with Out-of-Band Management.
This functionality is independent from serial redirection of other console output.
Default setting: COM0
2.5.3.3 Data Bits
This is a display-only function providing information about the frame width for the Out-of-Band
Management.
SETTING DESCRIPTION
Disabled Use this setting to disable console redirection for a PCIe serial port.
Enabled Use this setting to enable console redirection for a PCIe serial port.
SETTING DESCRIPTION
Disabled Use this setting to prevent the system from adding the SPCR table to the ACPI tables.
Enabled Use this setting to add the SPCR table to the ACPI tables. The OS can further use the infor-
mation provided for serial redirection services.
SETTING DESCRIPTION
COM0 Use this setting to specify that the serial port 0 is to be used with Out-of-Band Management.
COM4 Use this setting to specify that a PCIe serial port is to be used with Out-of-Band Manage-
ment.