User manual

POD-6552 A2 User Manual 82
E.1 Input Power
This chapter describes how to choose a suitable power supply for this board. The
guideling is as follows.
E.1.1 Power Supply Selection
The power supply which we select should have over-current protection and the over-
current protection value of the power supply must meet 1.5 ~ 2 times of the total
power consumption.
E.1.2 Power Requirement of Power Supply
When trying to find a suitable power supply, consider not only this board power con-
sumption but you also need to consider the total system power requirements. The
power requirement is based on system configuration. For example, total power
requirement = CPU board + peripheral (USB) + system device (IDE, SATA HD) + add
on card.
E.1.3 Rising Time
1. ATX: Power Rising Time (T=0.1 mS ~ 20 mS)
2. AT: Power Rising Time (T=5 mS ~ 15 mS)