Acer Altos R700 Altos R700 Chassis Subassembly - Page 80

Worksheet, Total Combined Power, Used by the System, Power Usage Worksheet 2

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72 Appendix A: Equipment Log and Worksheets 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. Power Usage Worksheet 2 Voltage level and total current (V X A = W) (+5 Vsb) X (______ A) (+3.3 V) X (______ A) (+5 V) X (______ A) (+12 V) X (______ A) (-12 V) X (______ A) Total Combined Wattage Total Watts for each voltage level ________ W ________ W ________ W ________ W ________ W ________ W Caution: Do not overload: As an overall current usage limitation on the power supply, do not exceed a combined power output of 250W for all DC outputs.

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Appendix A: Equipment Log and Worksheets
72
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.
Power Usage Worksheet 2
Caution
:
Do not overload
: As an overall current usage
limitation on the power supply, do not exceed a combined power
output of 250W for all DC outputs.
Voltage level and total current
(V X A = W)
Total Watts for each voltage level
(+5 Vsb) X (______ A)
________ W
(+3.3 V) X (______ A)
________ W
(+5 V) X (______ A)
________ W
(+12 V) X (______ A)
________ W
(–12 V) X (______ A)
________ W
Total Combined Wattage
________ W