Dell PowerVault 735N (Rackmount NAS Appliance) - Manual (Page 66)

Removing and Replacing Parts: Dell PowerVault 735N Systems Service Manual
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Installing a Terminator Card
To install a terminator card, align the notch on the terminator card with the socket on the guide bracket assembly and guide the card into the
empty guide bracket assembly.
Removing the SEC Cartridge and Heat Sink Assembly
To remove the SEC cartridge and heat sink assembly, perform the following steps.
CAUTION: The SEC cartridge and heat sink assembly can get extremely hot during system operation. Be sure the assembly
has had sufficient time to cool before you touch it.
CAUTION: When handling the SEC cartridge and heat sink assembly, take care to avoid sharp edges on the heat sink.
NOTICE: See " Protecting Against Electrostatic Discharge " for information on protecting the system from electrostatic discharge.
1. Turn off the system, including any attached peripherals, and disconnect the AC power cable from its power source.
2. Remove the front bezel .
3. Open the system doors .
4. Disconnect the AC power cable and all peripheral cables from the back panel of the system.
5. Deflect and lift one end of the guide bracket about 6.3 mm (0.25 inch) to disengage one end of the microprocessor's connector from the
socket.
6. Deflect the tab on the other end of the guide bracket to disengage the tab on the heat sink.
7. Lift the cartridge and heat sink assembly away from the guide bracket assembly (see Figure 28 ).
Figure 28. Removing the SEC Cartridge and Heat Sink
1
SEC cartridge
2 Tab on guide bracket (2)
3 Guide bracket assembly
4 Socket