Dimm Configuration Fault Messages; Remove A Dimm - Oracle SPARC M8 Service Manual

DIMM Configuration Fault Messages

Related Information
"Identify Faulted Components" on page 36
■
"Determine Which DIMM Is Faulty (Oracle ILOM)" on page 109
■
"DIMM Configuration Fault Messages" on page 112
■
DIMM Configuration Fault Messages
When the system boots, system firmware checks the memory configuration against the rules
described in
you can run the fmadm faulty command from either the host or through the Oracle ILOM fault
management shell. See

Remove a DIMM

DIMMs can be serviced by customers. You must remove the CMIOU from the CMIOU chassis
to access the DIMMs.
Note -
CMIOU. If you are replacing LRDIMMs with RDIMMs, replace all of the DIMMs in the
CMIOU.
Caution -
safety instructions described in
Configuration" on page
Caution -
Removing a faulted DIMM and leaving the slot empty might deconfigure the remaining
DIMMs.
Take the necessary ESD precautions.
1.
See "Prevent ESD Damage" on page
2. If you are replacing a faulty DIMM, determine which DIMM needs to be replaced.
This task involves removing the CMIOU and its cover.
112 SPARC M8 and SPARC M7 Servers Service Manual • September 2017
"DIMM Configuration" on page
"Identify Faulted Components" on page
Do not mix 32GB LRDIMMs (4R x 4Gb) and 32GB RDIMMs (2R x 8Gb) in the same
Before beginning this procedure, ensure that you are familiar with the cautions and
106.
When a DIMM fails, do not remove the DIMM until a replacement is available.
106. To list configuration faults that are found,
"Safety Information" on page 57
61.
36.
and the information in "DIMM