Dell PowerEdge T100 Series Hardware Owner's Manual page 126

• SAS or SAS RAID controller performs incorrectly or not at all.
Action
CAUTION:
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
1 Run the appropriate online diagnostic test. See "Using Dell PowerEdge
Diagnostics" on page 131.
2 Enter the System Setup program and ensure that the SAS or SAS RAID
controller is enabled. See "Using the System Setup Program" on page 29.
3 Restart the system and press the applicable key sequence to enter the
configuration utility program:
• <Ctrl><C> for a SAS controller
• <Ctrl><R> for a SAS RAID controller
See the controller's documentation for information about configuration
settings.
4 Check the configuration settings, make any necessary corrections, and
restart the system.
If the problem is not resolved, continue to the next step.
5 Turn off the system and attached peripherals, and disconnect the system
from its electrical outlet.
6 Open the system. See "Opening the System" on page 47.
7 Ensure that the controller card is firmly seated into the system board
connector. See "Installing an Expansion Card" on page 73.
8 If you have a SAS RAID controller, ensure that the following RAID
components are properly installed and connected:
• Memory module
• Battery
9 Verify that the cable connections between the hard drives and the SAS
controller are correct. See "Hard Drives" on page 64.
126
Troubleshooting Your System
Many repairs may only be done by a certified service technician. You