System Board; Removing The System Board - Dell PowerVault NX3300 Owner's Manual

System Board

Removing The System Board

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 came with the product.
CAUTION: If you are using the Trusted Program Module (TPM) with an encryption key, you may be prompted to
create a recovery key during program or System Setup. Be sure to create and safely store this recovery key. If you
replace this system board, you must supply the recovery key when you restart your system or program before you
can access the encrypted data on your hard drives.
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
2. If installed, remove the front bezel.
3. Open the system.
4. Remove the following:
a) cooling shroud
b) memory modules
c) cooling fans
d) power supply(s)
e) all expansion-card risers
WARNING: The heat sink is hot to touch for some time after the system has been powered down. Ensure that you
do not touch the heat sink(s) while removing the system board.
f) heat sink(s)/heat-sink blanks and processors(s)/processor blanks
g) all expansion cards and the integrated storage controller card
h) network daughter card
i) internal dual SD module
j) internal USB key (if installed)
k) hot-swap hard drives
l) hard-drive backplane
CAUTION: To avoid damaging the mini SAS cable and connector, follow the correct procedure when removing the
mini SAS cable from the system board.
5. Disconnect the mini SAS cable from the system board:
a) Push the mini SAS cable connector to slide it further into the connector (J_SASX8) on the system board.
b) Press down and hold the metal tab on the mini SAS cable connector.
c) Pull the mini SAS cable out of the connector on the system board.
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