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Chapter 7 Power System
Server Current Usage
As an overall current usage limitation on the power supply, do not exceed
its maximum output capacity of 32 amperes at +5 volts (160 watts) and 11
amperes at +3.3 volts (36.3 watts). The combined power output for the +5
and +3.3 volt outputs should not exceed 178 watts.
The maximum current allowed at +5 volts for each PCI and ISA slot on the
system board is 2 amperes (10 watts).
The cooling efficiency varies per slot; therefore, ensure that adequate
cooling is available in the target slot—especially in an expansion slot
drawing more than 2.0 amperes.