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SPD Troubleshooting Guide -5- 10/25/00
Boot Issues
1) My server will not power on
Check for the following possibilities:
• Have you securely plugged the server AC power cord into the power supply?
• Have you plugged the server into a “powered on” power strip?
• Some ATX power supplies have a power switch on the back of the power supply next to the fan, is it
switched on?
• Is the front panel power switch cable properly connected to the front panel header pins on the server board
located at J9E3, pins 2 and 16?
• If you are using a SSI compliant power supply, make sure the proper power supply connector attaches to the
auxiliary signal connector. SSI power supplies require a 3-volt sense signal to properly power on and have a
special 5-pin by 2-row connector for that purpose. If that connector is available with your power supply,
make sure it firmly seats in the Auxiliary Signal connector located at J9B2 on the server board.
• Remove all add-in cards and see if the server boots using just the on-board components. If successful, add
the cards back in one at a time with a reboot in between to see if you can pinpoint a suspect card.
• Remove the processor and terminator card and reseat them.
• Remove and reseat the memory modules. Try using memory modules from a known working server system.
Use memory in fours.
Though it is unlikely that a server will not boot, there are many reasons why it may not boot. If you are unable to
resolve this issue, please fill out the included customer support form and call your customer support representative.
Please note the answers to the following questions below.
• What memory is the server using? Is it on the tested memory list? Contact your customer service
representative for the latest tested memory list.
• What chassis and power supply is the server using?
• If you are using a chassis with front panel lights, are there any front panel lights on?
• Is the power supply fan spinning?
• Does the system beep? See Issue 2.
• Please note what is displayed on the monitor or any sounds emanating from the server system.