Owners Manual

Installing the cooling shroud on page 60
Installing the internal PERC riser on page 95
Installing the dual riser module (optional) on page 93
After working inside your system on page 54
Cooling fans
Your system supports six cooling fans. A fan blank is pre-installed on the sixth cooling fan slot (FAN6) in a single processor
configuration. FAN6 is required in a dual processor configuration.
NOTE: Hot-swap removal or installation of the fans is not supported.
NOTE: Each fan is listed in the systems management software, referenced by the respective fan number. If there is a
problem with a particular fan, you can easily identify and replace the proper fan by noting the fan numbers on the cooling
fan assembly.
The following table lists the fan configuration which shows the various fan configurations based on the processor configuration
in the system.
Table 31. Fan configuration table
Processor Type CPU 1 CPU 2 PSU Type FAN1 FAN2 FAN3 FAN4 FAN5 FAN6
55 W-140 W
Y N Redundant Y Y Y Y Y N
Y Y Redundant Y Y Y Y Y Y
Removing a cooling fan
Prerequisites
NOTE:
Opening or removing the system cover when the system is ON may expose you to a risk of electric shock. Exercise
utmost care while removing or installing cooling fans.
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: The procedure for removing each cooling fan is the same.
1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your system section.
3. If applicable, remove the expansion card riser.
NOTE: If applicable, close the expansion card latch on the cooling shroud to release the full length card.
4. Remove the cooling shroud.
Steps
1. Remove the fan cable connector from the system board by pressing the release tab on the system board end of the
connector, and lifting it away from the system board.
2. Release the cable from the cable holders on the fan bracket.
3. Press the release tab on the cooling fan and lift the fan away from the chassis.
Installing and removing system components
85