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Troubleshooting Power Supply Verification/Verification Procedure - 15
measure approximately +3.3V.
If you do not measure +3.3V, re-check the voltmeter connec-
tions and check for voltage again. If voltage is still not present,
replace the power supply; otherwise, continue on to the next
step.
6. Connect the black lead of the voltmeter to pin 16 of the power
supply connector. Connect the red lead of the voltmeter to pin
4 of the 20-pin power supply cable. The voltmeter should
measure approximately +5V.
If you do not measure +5V, re-check the voltmeter connec-
tions and check for voltage again. If voltage is still not present,
replace the power supply; otherwise, continue on to the next
step.
7. Measure the voltage of pin 10 of the 20-pin power supply
connector. The voltage should measure approximately +12V.