Acer R700 User Manual

Page of 135
 Appendix A: Equipment Log and Power Consumption Worksheets
120
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
1
From the previous worksheet, enter the total current for each 
column.
2
Multiply the voltage by the total current to get the total wattage 
for each voltage level.
3
Add the total wattage for each voltage level to arrive at a total 
combined power usage on the power supply.
Total 
Current
Device
Current (maximum) at voltage level:
+3.3 V
3.3 V 
Standby
+5V
5 V 
Standby
+12 V
-12 V
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