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Installing System Options
Dell™PowerEdge™6600SystemsInstallationandTroubleshootingGuide
This section describes how to install the following options:
l Expansion cards
l Memory upgrades
l Microprocessor upgrades
This section also includes instructions for replacing:
l Fans
l I/O riser card
l Peripheral riser card
l Power supplies
l System battery
Fan Assembly Tray
The system includes a fan assembly tray containing six fans. The fans can be removed as an assembly or individually.
Removing the Fan Assembly Tray
1. Remove the back cover (see "Removing the Back Cover" in "Troubleshooting Your System").
2. Remove the front cover (see "Removing the Front Cover" in "Troubleshooting Your System").
3. Using the fan assembly tray handles, lift the assembly straight up to clear the chassis (see Figure6-1).
Replacing the Fan Assembly Tray
1. Align the alignment tabs with the slots in the chassis (see Figure6-1).
2. Lower the fan assembly tray into the chassis.
3. Ensure that the fans are fully seated.
4. Replace the front cover (see "Replacing the Front Cover" in "Troubleshooting Your System").
5. Replace the back cover (see "Replacing the Back Cover" in "Troubleshooting Your System").
Figure 6-1. Removing the Fan Assembly Tray

Fan Assembly Tray
Power Supplies
AC Power Module
Expansion Cards
Peripheral Riser Card
I/O Riser Card
Memory Riser Cards
Memory Modules
Microprocessor Tray
Microprocessors
System Battery
CAUTION: Before you perform these procedures, you must turn off the system and disconnect it from its power source. For more information, see
"Safety First—For You and Your System" in "Troubleshooting Your System."
NOTICE: Ensure that the memory riser card handles and the peripheral riser card handles are in the closed position before installing the fan assembly
tray.