Preface am5020 – Kontron AM5020 User Manual
Page 6

Preface
AM5020
Page vi
ID 1043-6198, Rev. 1.0
P R E L I M I N A R Y
4.3.17 MMC AMC E-Keying Configuration Register 1 (IAKEY1) .............4 - 19
4.3.18 MMC Controller Status Register 0 (ICSTA0) .................................4 - 20
4.3.19 MMC Controller Status Register 1 (ICSTA1) .................................4 - 21
4.3.20 MMC Reset Status Register (IRSTA) ............................................4 - 22
4.3.21 IPMI Keyboard Controller Style Interface ......................................4 - 22
5.
Power Considerations ............................................................. 5 - 3
5.1
AM5020 Voltage Ranges .........................................................................5 - 3
5.2
Carrier Power Requirements ...................................................................5 - 3
5.2.1
Payload Power ................................................................................5 - 3
5.2.2
Payload and MMC Voltage Ramp ...................................................5 - 4
5.2.3
Module Management Power Consumption .....................................5 - 4
5.3
Payload Power Consumption of the AM5020 ..........................................5 - 5
5.4
Payload Power Consumption of AM5020 Accessories ............................5 - 6
5.5
IPMI FRU Payload Power Consumption ..................................................5 - 6
5.6
Payload Start-Up Current of the AM5020 ................................................5 - 7
6.
Thermal Considerations ......................................................... 6 - 3
6.1
Board Thermal Monitoring .......................................................................6 - 3
6.2
Processor Thermal Monitoring .................................................................6 - 3
6.2.1
Digital Thermal Sensor (DTS) .........................................................6 - 3
6.2.2
Adaptive Thermal Monitor ...............................................................6 - 4
6.2.3
Frequency/VID Control ...................................................................6 - 4
6.2.4
Clock Modulation .............................................................................6 - 5
6.2.5
Catastrophic Cooling Failure Sensor ..............................................6 - 5
6.3
Chipset Thermal Monitor Feature ............................................................6 - 5
6.4
System Airflow .........................................................................................6 - 6
6.4.1
Thermal Characteristic Diagrams for the AM5020 ..........................6 - 8
6.4.2
Airflow Impedance ...........................................................................6 - 9
6.4.3
Airflow Paths .................................................................................6 - 10