Troubleshooting The Cpu And Memory - HP Integrity rx2800 - i2 User's & Service Manual

NOTE:
FRU IDs:
--------
0152-DIMM0D 0001-Memory 0002-Power Converter
0003-Power Supply 0 0004-Power Supply 1 0005-Diagnostic Panel
0006-Front Panel 0128-DIMM0A 0136-DIMM0B
0144-DIMM0C 0160-DIMM1A 0168-DIMM1B
0176-DIMM1C 0184-DIMM1D 0000-Motherboard
If you do not see all of the above CRU IDs then concentrate on the missing CRU IDs. You
should eventually end up with the following Alert (IPMI) event for this action as read from the
SEL.
NOTE:
Log Entry 3: Dec 2005 21:50:43
Alert Level 5: Critical
Keyword: Type-02 257100 2453760
Missing FRU device - CPU 0 PIROM
Logged by: Baseboard Management Controller,
Sensor: Entity Presence
0x2041CB3DB3020040 FF20807115250300
If you do show the Alert level 5 "Missing CRU device - CPU 0 PIROM" then continue to the
next step.
6. Insert the CPU board CRU with at least CPU 0 CPU installed. When you add the CPU board
CRU and turn on system power, the cooling fans should turn on and stay on and the DF
command output should look something like the following:
NOTE:
FRU IDs
-------
0001-Memory 0002-Power Converter 0003-Power Supply 0
0004-Power Supply 1 0005-Diagnostic Panel 0006 Front Panel
0007-Disk Management 0008-Disk backplane 0010-CPU Board
0012-Power Pod 0 0013-Power Pod 1 0032-CPU 0 PIROM
0033-CPU 1 PIROM 0036-CPU 0 RAM 0037-CPU 1 RAM
0128-DIMM0A 0136-DIMM0B 0144-DIMM0C
0152-DIMM0D 0160-DIMM1A 0168-DIMM1B
0176-DIMM1C 0184-DIMM1D 0000-Motherboard
If the installed CRUs are all functional then the system should initiate POST on all CPUs. It is
recommended to observe the system console output through "Live Logs" to ensure that POST
is initiated and completes without error.
If power-on-self-test (POST) does not start after a few seconds then suspect some sort of system
board or CPU problem. Typical problems show up in the SEL or FPL. If the IPMI event logs do
not point to a root cause, then escalate to bring in expert assistance.

Troubleshooting the CPU and Memory

All of the CPU and memory controller functions reside on the system board; DIMMs reside on the
system board and PCIe bus controller chips reside on the I/O backplane and the system board.
This section discusses the roles of logical CPUs, and physical memory ranks.
84 Troubleshooting
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