
Power Subsystems System Event Log Troubleshooting Guide for Intel® S5500/S3420 series Server Boards
22 Intel order number G74211-001 Revision 1.0
+5.0V is supplied by the power supplies
+5.0V is used by the PCI slots.
1. Ensure all cables are connected correctly.
2. Reseat any PCI cards, try other slots.
3. If the issue follows the card, swap it, otherwise, replace the main board.
4. If the issue remains, replace the power supplies.
+5.0V STBY is supplied by the power supplies
+5.0V STBY is used to generate other standby voltages.
1. Ensure all cables are connected correctly.
2. If the issue remains, replace the board.
3. If the issue remains, replace the power supplies.
+12V is supplied by the power supplies
+12V is used by SATA drives, Fans, and PCI cards. In addition it is used to generate various processor voltages.
1. Ensure all cables are connected correctly.
2. Check connections on fans and HDD's.
3. If the issue follows the component, swap it, otherwise, replace the board.
4. If the issue remains, replace the power supplies.
-12V is supplied by the power supplies
-12V is used by the serial port and by PCI cards. In addition it is used to generate various processor voltages.
1. Ensure all cables are connected correctly.
2. Reseat any PCI cards, try other slots.
3. If the issue follows the card, swap it, otherwise, replace the main board.
4. If the issue remains, replace the power supplies.
This 1.35V line is supplied by the main board.
This 1.35V line is used by low voltage memory on processor 1.
1. Ensure all cables are connected correctly.
2. Check the DIMMs are seated properly.
3. Cross test DIMMs.
4. If the issue remains with the DIMMs on this socket, replace the main board, otherwise the DIMM.
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