Installing Additional Fb-Dimms; Servicing The Memory Tray - Sun Microsystems Sun Fire X4450 Service Manual

4.1.5

Installing Additional FB-DIMMs

Before you begin, see
information about FB-DIMM configuration guidelines.
Caution – Ensure that all power is removed from the server before installing
FB-DIMMs or damage to the FB-DIMMs might occur. You must disconnect all power
cables from the system before performing this procedure.
1. Unpackage the replacement FB-DIMMs and place them on an antistatic mat.
2. Ensure that the ejector tabs are in the open position.
3. Line up the FB-DIMM with the connector (
Align the FB-DIMM notch with the key in the connector. This ensures that the
FB-DIMM is oriented correctly.
4. Push the FB-DIMM into the connector until the ejector tabs lock the FB-DIMM
in place.
If the FB-DIMM does not easily seat into the connector, verify that the orientation
of the FB-DIMM is as shown in
to the FB-DIMM might occur.
5. Repeat
6. Install the top cover.
See
7. Slide the server into the rack.
See
8. Reconnect the power cord (or cords) to the power supply (or supplies).
Verify that the AC Present LED is lit.
See
9. Power on the server.
See
4.2

Servicing the Memory Tray

You must remove the memory tray when removing and installing the motherboard.
4-10 Sun Fire X4450 Server Service Manual • November 2009
Section 4.1.2, "FB-DIMM Guidelines" on page
Step 2 through Step 4
Section 6.1, "Installing the Top Cover" on page
Section 6.3, "Returning the Server to the Normal Rack Position" on page
Section 6.4, "Powering On the Server" on page
Section 6.4, "Powering On the Server" on page
FIGURE 4-5
. If the orientation is reversed, damage
FIGURE 4-4
until all FB-DIMMs are installed.
4-4, for
).
6-2.
6-5.
6-5.
6-4.