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4. Check the PSU LEDs (see Section 1.4.3, "PSU LEDs" on page 1-10) to verify the
status of the PSU.
5. Check that the power cable connectors are properly seated at the PDB and
motherboard.
6. Power on the system.
7. Using a DVM, check the power supply output voltages.
See
for the power supply connector location on the motherboard.
FIGURE 4-1
Note – All power supply connectors being tested must remain connected to the
motherboard and PDB.
a. With the negative probe of the DVM placed on a connector ground (GND) pin,
position the positive probe on each power pin.
b. Verify voltage and signal availability as listed in the voltage-pin tables.
8. If any power pin signal is not present with the power supply active, and the
power cables between the PDB and motherboard properly connected, replace the
power supply.
Chapter 4 Troubleshooting
4-5
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Table of Contents
Troubleshooting
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