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To remove a single-edge contact (SEC) cartridge and heat sink assembly, fol-

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1.For the unit to be removed, press outward on the two SEC cartridge release latches until they snap into the open position (see Figure 4-18).

heat sink

SEC cartridge

release latches (2)

)LJXUH￿￿￿￿￿6g(&uide bracket assembly

2.Grasp the heat sink and pull the SEC cartridge/heat sink assembly straight up out of the connector and guide bracket assembly (some force may be required).

To replace an SEC cartridge, make sure the cartridge release latches are in the open position, orient the new SEC cartridge in the guide bracket assembly as shown in Figure 4-18, seat it firmly, and then snap the release latches back into place.

To install an SEC cartridge where there was none before, you will need to remove the installed terminator cartridge (see the next subsection, “Terminator Cartridge”).

4-22 Dell PowerEdge 6350 Systems Service Manual