Mcu Might Be Disconnected In Dimm Module Failure (Cr 6656116) - Fujitsu SPARC Enterprise T5120 Product Notes

MCU Might Be Disconnected in DIMM Module
Failure (CR 6656116)
This issue is resolved by updating the system firmware to 7.2.2.e or later.
If the DIMM module fails, the MCU will be disconnected, and the following message
might be output to the console.
For example:
Message
Jun 04 06:11:22: Chassis |major
initialization failed: DRAM init, disabled"
Jun 04 06:11:23: Fault
Jun
Jun 04 06:11:24: Chassis |major
MB/CMP0/MCU3 unused because MB/CMP0/MCU2 is not configured"
Jun 04 06:11:24: Chassis |major
MB/CMP0/L2_BANK4, MB/CMP0/L2_BANK5 unused because MB/CMP0/MCU2 is
not configured"
Jun 04 06:11:24: Chassis |major
MB/CMP0/L2_BANK6, MB/CMP0/L2_BANK7 unused because MB/CMP0/MCU3 is
not configured"
Jun 04 06:11:24: Chassis |major
configuration: system operating at reduced capacity"
Jun 04 06:11:24: Chassis |major
DRAM Available: 002048 MB"
showfaults command
Last POST Run: Wed Jun
Post Status: Passed all devices
fail (DRAM init)
Workaround: Identify and replace the faulty DIMM module.
106 SPARC Enterprise T5120 and T5220 Servers Product Notes • April 2010
4 06:11:23 2008. /SYS/MB/CMP0/MCU2 Forced fail (DRAM init)"
ID FRU
1 /SYS/MB
: "Jun
|critical: "SP detected fault at time Wed
: "Jun
: "Jun
: "Jun
: "Jun 4 06:11:24 ERROR: Degraded
: "Jun 4 06:11:24 ERROR: System
4 06:14:17 2008
Fault
SP detected fault: /SYS/MB/CMP0/MCU2 Forced
4 06:11:22 ERROR: MCU2
4 06:11:24 ERROR:
4 06:11:24 ERROR:
4 06:11:24 ERROR: