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Voltage

Power Supply Roundup: Part II
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Voltages at 100% Load
Nominal ValueMeasurementPermitted Deviation
3.3 V3.26 V3.14 V to 3.47 V
5 V4.86 V4.75 V to 5.25 V
12 V11.89 V11.40 V to 12.60 V
12 V (CPU)11.88 V11.40 V to 12.60 V
5 V (Standby)4.92 V4.75 V to 5.25 V
-12 V-12.22 V-10.80 V to -13.20 V

Voltages at 50% Load
Nominal ValueMeasurementPermitted Deviation
3.3 V3.33 V3.14 V to 3.47 V
5 V4.93 V4.75 V to 5.25 V
12 V12.07 V11.40 V to 12.60 V
12 V (CPU)12.04 V11.40 V to 12.60 V
5 V (Standby)4.96 V4.75 V to 5.25 V
-12 V-11.97 V-10.80 V to -13.20 V

Voltages at 20% Load
Nominal ValueMeasurementPermitted Deviation
3.3 V3.37 V3.14 V to 3.47 V
5 V4.97 V4.75 V to 5.25 V
12 V12.11 V11.40 V to 12.60 V
12 V (CPU)12.10 V11.40 V to 12.60 V
5 V (Standby)4.98 V4.75 V to 5.25 V
-12 V-11.80 V-10.80 V to -13.20 V

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