Supermicro H8DAI-2 Bedienungsanleitung PDF herunterladen (Seite 51)

3-1

Chapter 3: Troubleshooting

Chapter 3

Troubleshooting

3-1 Troubleshooting Procedures

Use the following procedures to troubleshoot your system. If you have followed all

of the procedures below and still need assistance, refer to the ‘Technical Support

Procedures’ and/or ‘Returning Merchandise for Service’ section(s) in this chapter.

Always disconnect the AC power cord before adding, changing or installing any

hardware components.

Before Power On

1. Check that the onboard power LED is lit (DP2 on the serverboard).

2. Make sure that the main ATX power connector at J1B1, the 8-pin connector at

JPW1 and the 4-pin connecor at JPW2 are all connected to your power supply.

3. Make sure that no short circuits exist between the serverboard and chassis.

4. Disconnect all ribbon/wire cables from the serverboard, including those for the

keyboard and mouse.

5. Remove all add-on cards.

6. Install a CPU and heatsink (making sure it is fully seated) and connect the in-

ternal (chassis) speaker and the power LED to the serverboard. Check all jumper

settings as well.

7. Use the correct type of onboard CMOS battery as recommended by the manufac-

turer. To avoid possible explosion, do not install the CMOS battery upside down.

8. Note that the 5VSB supplied from your power supply must provide >3 amps.

No Power

1. Make sure that no short circuits exist between the serverboard and the chas-

sis.

2. Verify that all jumpers are set to their default positions.

3. Check that the 115V/230V switch on the power supply is properly set.

4. Turn the power switch on and off to test the system.

5. The battery on your serverboard may be old. Check to verify that it still supplies

~3VDC. If it does not, replace it with a new one.

No Video

1. If the power is on but you have no video, remove all add-on cards and cables.

2. Use the speaker to determine if any beep codes exist. Refer to Appendix A for

details on beep codes.

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Supermicro H8DAI-2 Bedienungsanleitung Seite 51