Err Code 4B2711C6 in 7044-170 -44P ..sys does not boot

[rrs560]

Hi

I am new to the group. Recently came across very funny problem wtih my Work Station. Thanks in advance for any help.

System : 7044-170 - 44P with
512 MB ( 2 DIMMs )
2 x 8G HDD
1 x CDROM
1 x FDD
1 x SVGA card ( PCMCI )

Problem : I have 7044-170 - 44P : system at home for my AIX testing ...it does not boot. Infect after partly POST. codes were toggle e050 to e0d0 & last It display this 4B2711C6

In one of the log ...at console/PROMs i see following in mutliple logs.

4B2711C6 System bus parity error
FRUs To Replace: P1
P1-C1

Background :
1) system was working fine with aix 5.3 , but some time back I was looking for various SMS settings & I landed in the problem, this may be co-incident because I do not see any relation.
2) also when sys was working I open enclosure & wanted to install Fiber HBA . But did NOT install, later on system was working even.

3) Last I tried to put Diag CD in cdrom & power on system but did not help.

Action :

1) Being technical & i though may be some contact ..probl. so safely remove CPU & mem & put it back .. same problem.

Qtn :
1, What is this P1-C1 board .. refer to.
2. How to solve the problem.

 

[DJGas]

Hi!

Don't known if y've solved your problem, so here is my advice.
The error code you've got "4B2711C6" means that your FRU "P1-C1" had to be replaced; just look at service guide page 131 chap 5.
P1-C1 is for CPU board, at the right most of the system board which is P1.

Hope i've helped, regards.

DJG.

 

[rrs560]

DJG,

Thank You!, Now I see. Unfortunately neither I had service guide nor could find on net( with limited efforts)
But this is good suggestion. I will try once to remove contact problem with cpu bd, else I will have to replace it. I will try to find cpu bd on eBay .. is there any other site for this? if any suggestions.

I will keep forum updated.
Thanks

-- Rajesh

 

[DJGas]

Hi,

Here is the IBM site for technical documentation, and following the reference of the service guide you asks for:

http://publib16.boulder.ibm.com/pseries/en_US/infocenter/base/hardware.htm

http://publib16.boulder.ibm.com/pseries/en_US/infocenter/base/hardware_docs/pdf/380560.pdf

Depending on where you're located, you may find parts at third part company or serious resalers.

regards,

DJG.

 

[rrs560]

DJG,

Wow!, your clue helped! I removed CPU board, cleaned properly & resitted, and it worked.
Thanks a lot. Also found doc from the link you provided, looks forum have great team.

RS