Users Guide
Removing the PERC H745 front card
CAUTION: Many repairs may only be done by a certified service technician. You 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 are shipped with your product.
NOTE: It is recommended that you always use a static mat and static strap while working on components in the interior of
the system.
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and
peripherals.
2. Open the system.
3. Locate the PERC card in the controller carrier at the front of the system.
CAUTION: To prevent damage to the card, you must hold the card by its edges only.
4. Unscrew the fasteners on the controller carrier and slide the carrier away from the backplane disconnecting the controller
from the backplane.
a. For systems configured with an H745 front controller in an upside down orientation it is necessary to uninstall all the
drives from the backplane first and uninstall the backplane along with the controller as there is no much clearance to
remove the controller without uninstalling the backplane.
5. Disconnect any SAS cables connected to the card:
a. Press down and hold the metal tab on the SAS cable connector.
b. Pull the SAS cable out of the connector.
6. Remove the PERC controller from the controller carrier.
NOTE:
If the replacement storage controller is a front controller then reinsert the controller into the carrier and secure
it with the appropriate screws.
7. Insert the replacement controller into the carrier and secure it with the appropriate screws.
8. Take the replacement storage controller and reconnect the SAS cable before reconnecting it to the backplane.
a. For systems configured with an H745 front controller in an upside down orientation and reattach the PERC controller to
the backplane first before reinstalling the backplane into the system. For more information on installing the card, see
Installing the PERC H745 front controllers.
9. Close the system.
10. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
Deploying the PERC card
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