Memory; Memory Configuration Rules; Installing Memory; Section 1.10, "Memory - Oracle Sun Fire V125 Service Manual

1.10

Memory

There are four memory module sockets per processor on the system board. Memory
is supplied by Sun in pairs. Use the DIMM pair as supplied and do not mix DIMMs.
For a list of the available memory options, see the Sun Fire V125 Server
Administration Guide.
1.10.1

Memory Configuration Rules

Memory is shipped in matched pairs for use on the Sun Fire V125 server.
When you install memory into a Sun Fire V125 server, follow the se guidelines:
A minimum of two matched DIMMs are required for the server. The matched
■
DIMMs must be the same size, manufacturer, and part number.
DIMMs must be installed in identical pairs. Both size and manufacturer must be
■
the same per pair, but you can mix manufacturers and size between pairs.
Note – A DIMM pair that has identical attributes, but different vendors will not be
rejecte. However, such a DIMM pair will cause OpenBoot
warning message to the console and will disable autoboot.
1.10.2

Installing Memory

1. Power down the server and disconnect the power cable.
See Section 1.2, "Controlling Server Power" on page 1-2
2. Open the back cover.
See Section 1.4.3, "Opening the Back Section of the Cover Assembly" on page
3. Locate the correct DIMM socket.
4. Ensure that the retaining clips are open (
5. Press the memory module in the DIMM socket.
6. Press down until the clips snap into place.
1-16 Sun Fire V125 Server Service Manual • September 2006
™
PROM to issue a
).
FIGURE 1-10
1-7.