User's Manual

Cambricon Technologies, MLU270-S Series Intelligent Processing Card User Manual
2.6.5 MLU270-S Average Temperature of Inlet vs Min Airflow Requirement
Figure.6 Air Inlet Temperature vs Min Airflow Requirement
2.7 Power Supplies Specifications
Table 10Input Voltage Requirement
Power Supply
Min
Normal
Max
PCIe edge connector（12V）
11.04V
12V
12.96V
PCIe edge connector（3V3）
3.0V
3.3V
3.63V
Table 11 Current Requirement
Power Supply
Peak Current
Moving Average
PCIe edge connector（12V）
20A
200us
17A
1ms
13A
5ms
Table 12 Power Capping
Power Capping Threshold
70W
Power Capping Response time （typical）
50ms
Power Capping Response time （max）
100ms
Table 13 Power Brake
PB# PCIe pin assignment
B30
Power Brake response time（typical）
150us
PB# input insertion low time （min）
250ms
Power brake hardware slowdown factor
4x