September 30, 2012
HPUX 11.23 ITANIUM rx2600. Do not boot with error:
Alert level 3: Warning
DIMM thermal loading order warning
Logged by: System Firmware 0
Data: Implementation dependent data field
1. According to HPUX:
Cause 1 : The current DIMM loading order does not follow the guidelines in the user manual
Recommended Action1 : Rearrange the DIMMs to follow the loading order specified in the Maintenance and Operational Manual
Memory order recommendations:
* Memory must be installed in DIMM pairs.
* The capacity of DIMMs within a pair must be the same.
* Install DIMMs with the greatest capacity in the lowest numbers.
* Install DIMMs the following slot order: 0a/b, 1a/b, 2a/b, 3a/b, and
I opened a case and found that server have 4 pairs of memory installed in 0,1,5,6 a/b slots.
I rearranged it to 0,1,2,3 and server started to boot.
But that was not major error which prevent OS from start. Hard disk has been damaged and i reinstalled OS.
So this issue with memory is really not critical, it only prevent you from seeing really critical issue.
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