Kontron AM4024e - Manual (Page 90)

D R A F T — F O R I N
T E R N A L U S E O N L Y
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User Guide
AM4024(E)
10.11.1.1 Default of AMC Configuration Settings
The AMC configuration is set to default via the kBoardConfig AMCBaseCfg default uEFI Shell com-
mand. The default values are indicated in the following table:
10.11.1.2 Forced AMC Port Activation / Deactivation
The configuration options to forcibly activate or deactivate an AMC port may be useful during system
setup and testing, and are available for each AMC base configuration.
The current setting can be shown or changed using the kBoardConfig uEFI Shell command, option
AMCport<n>.
Note: When a base configuration is selected via the kBoardConfig uEFI Shell command, option
AMCBaseCfg, the configuration options for the AMC ports 2, 3, 4-7 and 8-11 are set to
their default values (auto = E-Keying).
10.11.1.3 PCI Express Speed Selection
The configuration options to set the maximum PCI Express speed may be useful during system setup
and testing. The value set is the maximum speed which is used for PCI Express communication, the “re-
al” speed is handled out by HW during link-training.
The current setting can be shown or changed using the kBoardConfig uEFI Shell command, option
AMCPcieSpeed.
Note: When a base configuration is selected via the kBoardConfig uEFI Shell command, option
AMCBaseCfg, the configuration options for the PCI Express speed setting is set to its de-
fault value (gen3).
Table 62: AMC Configuration Default Values
kBoardConfig
OPTION
DEFAULT DESCRIPTION
AMCPort<n> auto
Enable or disable an AMC port.
AMCPcieSpeed gen3
Select the maximum speed for the PCIe interfaces on the AMC connector.
AMCFclka auto
Select the PCIe clock source (Fabric Clock A).
AMCTclka in
Disable Telecom Clock A (input).
AMCTclkc in
Disable Telecom Clock C (input).