Dell PowerEdge SC1420 - Manual (Page 10)

13. While pulling up on the two system board tray release tabs, slide the tray toward the front of the system and then remove the system board tray from
the system.
14. Place the system board tray on a flat nonconductive surface.
Installing the System Board
1. While lowering the system board into the chassis, align the I/O connectors with the opening in the back panel.
2. Slide the system board backward until the system board snaps into place.
3. Using a #2 Phillips screwdriver, install the screw that secures the system board tray to the chassis. See Figure 1 -8 .
4. Install the processor(s).
5. Before installing the heat sink(s), clean the heat sink(s) to remove any thermal grease.
6. Apply the thermal grease to the processor(s).
7. Install the heat sink(s).
8. Install the retention clips that secure the heat sink to the retention module.
9. If applicable, install the VRM.
10. Install the processor cooling shrouds.
11. Install the memory modules in the same sockets that they were removed from.
12. If your system contains more than 4 GB of memory, install the memory cooling fan and shroud. See " Installing the Memory Cooling Fan and Shroud ."
13. Install the expansion cards and connect any cables.
14. Connect the following cables to the system board (see Figure A-3 in the Installation and Troubleshooting Guide):
l Power-supply cable from the POWER 1 connector
l Power-supply cable from the POWER 2 connector
l If applicable, diskette data cable from the DISKETTE connector
l I/O panel cable from the PANEL connector
l 5.25-inch device data cable from IDE 1 connector
l Expansion-card fan from the FAN_CCAG connector
l If applicable, optical-drive data cable from IDE 2 connector
l If applicable, SATA hard-drive data cable(s) from SATA0 and SATA1 connector(s)
15. Close the system.