Dell PowerEdge 650 - Manual (Page 39)

expansion cards and the lower slot supports PCI-X 64-bit, 133-MHz expansion cards.
The hard-drive bays provide space for up to two IDE or SCSI drives and a CD/diskette drive combination. The SCSI hard drives must be connected to a
controller card. Power is supplied to the backplane board, the system board, and internal peripherals through a single nonredundant power supply.
Troubleshooting a Wet System
Problem
l Liquid spills
l Splashes
l Excessive humidity
Action
1. Open the system. See " Opening the System ."
2. Remove any expansion cards, if installed. See " Removing an Expansion Card " in "Installing System Components."
3. Allow the system to dry thoroughly for at least 24 hours.
4. Close the system. See " Closing the System ."
5. Remove the bezel. See " Opening the System ."
6. Turn on the system.
7. If the system starts up normally, shut down the system and reinstall the expansion cards you removed in step 2 .
8. Close the system. See " Closing the System ."
9. Run the system board tests in the system diagnostics to confirm that the system works properly. See " Running the System Diagnostics ."
If the tests did not complete successfully, see " Getting Help ."
Troubleshooting a Damaged System
Problem
l System dropped or damaged.
Action
1. Open the system. See " Opening the System ."
2. Check the following connections:
l Riser-card connections to the system board
l Drive-carrier connections to the backplane board
3. Ensure that all cables are properly connected and all component connectors are properly seated.
4. Close the system. See " Closing the System ."
5. Run the system board tests in the system diagnostics. See " Running the System Diagnostics ."
If the tests did not complete successfully, see " Getting Help ."
Troubleshooting the System Battery