Replacing Dimms - Oracle Sun Netra X4270 Service Manual

Replacing DIMMs

Related Information
"Remove the Air Duct" on page 127
■
"Replacing Fan Tray 0" on page 189
■
Replacing DIMMs
Caution -
discharge. This sensitivity can cause the component to fail. To avoid damage, ensure that you
follow antistatic practices as described in
Caution -
DIMMs, or damage to the DIMMs might occur. You must disconnect all power cables from the
system before performing this procedure.
The system supports a variety of DIMM configurations that can include quad-rank DIMMs,
dual-rank DIMMs, or single-rank DIMMs. When replacing or upgrading a DIMM on the server,
consider the following:
Description
Learn the location of the DIMM slots in relation to the
CPUs.
Learn the rules to follow when installing DIMMs in
slots.
Understand the classification rank labels on DIMMs.
Review how the system detects and logs ECC fault
information.
Identify and remove the faulty DIMMs from the server.
Install replacement or new DIMMs.
Related Information
"Replacing the Air Duct" on page 127
■
"Replacing CPUs" on page 160
■
132 Sun Netra X4270 Server • September 2015
This procedure requires that you handle components that are sensitive to static
Ensure that all power is removed from the server before removing or installing
"Electrostatic Discharge Safety" on page
Links
"DIMM and CPU Physical Layout" on page 133
"DIMM Population Rules" on page 134
"DIMM Considerations and Limitations" on page 135
"DIMM Rank Classification Labels" on page 136
"Error Correction and Parity" on page 136
"Identify and Remove Faulty DIMMs" on page 137
"Install DIMMs" on page 141
74.