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Intel
®
Server Chassis SR1450 User Guide 73
Worksheet, Total Combined Power Used by the Server
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 the total combined power usage for the
power subsystem.
Table 7. Power Usage Worksheet 2
Voltage level and total current
(V X A = W)
Total Watts
for each voltage level
(+3.3 V) X (______ A) ________ W
(+5 V) X (______ A) ________ W
(+12 V) X (______ A) ________ W
(–12 V) X (______ A) ________ W
(5 V standby) X (______ A) ________ W
Total Combined Wattage ________ W
CAUTION
Do not exceed a combined power output of 100 Watts for the +5 V and +3.3 V outputs. Exceeding
a combined 100 Watts will overload the power subsystem and may cause the power supplies to
overheat and malfunction.