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Therefore, the user can remotely change the Program Configuration Unit of system settings and
change the system configuration, respectively. In addition, the system can autonomously replace
the Program Configuration Unit of the system settings according to the algorithm recorded in the
microcontroller from a prespecified set of system PCUs located on the built-in NAND drive.
4.2.7 Management and control of the main parameters of the system
In addition to the functions of storing and loading the PCU, the microcontroller enables you to
implement additional functions for managing the state of the system, as well as monitoring the
readings of key sensors (measuring temperature and voltages).
Management functions supported by the microcontroller:
▪ Enabling /disabling the common power supply of the system (only if there is a power supply of +5
V_standby).
▪ Enabling the system start programmable delay.
▪ System configuration restart.
▪ Initialization of optical modules.
▪ Initialization of the hardware monitor.
▪ Enabling / Disabling the integrated 10 Gbit Ethernet controller.
▪ Switching the direction of I
2
C interface.
▪ Enabling / Disabling the standard LEDs self-testing mode.
▪ Managing each of the 8 x front panel
PE
LEDs including the choice of illumination color.
If necessary, the set of management functions can be expanded.
Alongside with the management functions, the microcontroller supports the following control
functions:
▪ The values of the main power supply voltages of the KIC551/KIC551RC module (LM87
resource).
▪ The temperature values of the of the KIC551/KIC551RC module’s PCB (LM87 resource).
▪ Temperature values of the VLSI core power supply source of the PCI Express switch (LM87
resource).
▪ The values of the microcontroller’s temperature (microcontroller’s resource).
▪ Working efficiency of secondary power supplies of the KIC551/KIC551RC module.
▪ Current status of configuration EEPROM of the KIC551/KIC551RC module.
▪ Installed host and peripheral modules across the slots.
If necessary, the set of control functions can also be expanded.
The control and management functions can be accessed locally from the microcontroller or
remotely
– via Telnet connection using the FPGA registers modification commands (see
Annex B
List of Telnet interface commands
).
4.2.8 Management functions
4.2.8.1 Enabling / Disabling the system power supply
This function enables you to manage the system power supply, usually installed in the system
crate.
To support the function of enabling/disabling, the system power supply should have the features
compatible with the ATX specification, version 2.2:
▪ Control input PS_ON#;
