Dell PowerEdge 750 - Manual (Page 5)

1. Unpack the new system board assembly.
2. Align the system board tray so that the tabs on the chassis floor slide into the notches in the system board tray.
3. Slide the system board tray backward until it stops.
4. Using a #2 Phillips screwdriver, tighten the captive screw that secures the system board tray to the chassis. See Figure 1 -2 .
5. Install the fan assembly.
6. Install the power supply.
7. Connect the riser board.
8. Using a #2 Phillips screwdriver, tighten the two captive screws that secure the riser board to the system board.
9. Install any PCI expansion cards that you removed.
10. Connect the hard-drive interface cables:
a. If SCSI hard drives are installed, connect the interface cable to the PCI controller card.
b. If SATA hard drives are installed, connect the interface cable to the SATA_Port0 and SATA_Port1 connectors on the system board.
11. Install the processor.
12. Install the heat sink.
a. Using a lint-free cloth, remove the existing thermal grease from the processor and heat sink.
b. Apply thermal grease evenly to the top of the processor.
c. Align the holes on both sides of the heat sink with the heat-sink posts on the system chassis.
13. Orient the securing clips so that the rubber-coated tabs are toward the back of the chassis.
14. Lower the end opposite of the rubber-coated tab of each securing clip over the heat-sink post, and then slide the securing clip toward the heat-sink
post until they snap onto the post.
15. While holding down the rubber-coated tab with one hand, push the latch on the securing clip toward the heat-sink post until it locks the clip onto the
post.
16. Repeat step 14 and step 15 for the other securing clip.
17. Install the memory modules.
18. Connect the control panel interface cable to the J7 connector on the system board.
19. If applicable, connect the CD drive interface cable to the Pri-IDE connector on the system board. See Figure 1 -2 .
20. Install the cooling shroud.
21. Place the cover over the sides of the chassis, and slide the cover forward until it snaps into place.
22. Tighten the two captive screws at the back of the system to secure the cover.
23. Reconnect the system to the electrical outlet, and turn on the system.
24. If applicable, replace the bezel.
a. Align the hole in the left-side bezel securing tab with the tab on the front panel.
b. While rotating the bezel toward the front panel, slide the bezel toward the key lock until the bezel snaps into place.
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CAUTION: See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting
against electrostatic discharge.
NOTE: Use the same heat sink that you removed from the processor.
NOTE: If the securing clips are installed so that the rubber-coated tabs are toward the front of the system, the cooling shroud cannot be installed
correctly.
NOTE: Install the memory modules as noted in step 8 of the procedure in "Removing the System Board Assembly."
NOTE: When installing the cooling shroud, ensure that the two tabs on the cooling shroud are inserted into the two retaining slots in the back
panel.