AN 872: Thermal and Power Guidelines: For Intel® Programmable Acceleration Card with Intel® Arria® 10 GX FPGA

ID 683795
Date 8/30/2019

2.2. Recovering After Auto-Shutdown

The Board Management Controller holds power off until the next power cycle. Therefore, when an Intel® FPGA PAC card power is shut down, you must power cycle the server to return power to the Intel® FPGA PAC.

The common cause of power shutdown is the FPGA overheating (when the core temperature is over 100°C), or the FPGA drawing excessive current. This typically happens when the AFU design exceeds the Intel® FPGA PAC defined power envelopes or there is insufficient airflow. In this case, you must reduce power consumption in your AFU.

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