120Appendix A: Equipment Log and Power Consumption Worksheets

Device

Current (maximum) at voltage level:

+3.3 V

3.3 V

+5V

5 V

+12 V

-12 V

Standby

Standby

 

 

 

 

 

 

 

 

 

 

Total

Current

Note1: Number of PCI cards depends on system and riser card configuration.

Note2: List additional system devices and associated currents.

Worksheet, Total Combined Power

Used by the System

1From the previous worksheet, enter the total current for each column.

2Multiply the voltage by the total current to get the total wattage for each voltage level.

3Add the total wattage for each voltage level to arrive at a total combined power usage on the power supply.

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Acer R700 manual Worksheet, Total Combined Power Used by the System