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System can not boot up with bad memory.

 
Tingli
Esteemed Contributor

System can not boot up with bad memory.

Is there a way to disable those memories and boot up the system with less memory? The memory can be reclaimed after the bad memory is replaced?
6 REPLIES 6
Steven E. Protter
Exalted Contributor

Re: System can not boot up with bad memory.

Shalom,

I believe you will have to open the system and physically remove it. Memory is generally in these system in pairs, so the second half of the pair will also have to be pulled.

To find out which memory chip to pull, you need to refer to the server documentation at http://docs.hp.com

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Steven E Protter
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Pete Randall
Outstanding Contributor

Re: System can not boot up with bad memory.

I think Steve has it right. You're going to need to pull out pairs of memory, one pair at a time, starting with the highest numbered slots until you find the bad pair. Trial and error - process of elimination.


Pete

Pete
Sandman!
Honored Contributor

Re: System can not boot up with bad memory.

What is the make and model of the server on which you want to do this?
Tingli
Esteemed Contributor

Re: System can not boot up with bad memory.

It is rp3440 from hp. With os as 11.23. March 2007.
Sandman!
Honored Contributor

Re: System can not boot up with bad memory.

As noted before you can't disable memory. You have to remove it physically by popping out the DIMMs from their slots. And according to the server specs on the HP docs site (http://docs.hp.com) it should be removed in quads. There is atleast one and upto three quad sets in that server. So even if only one DIMM is bad you will need to remove the remaining three DIMMs that make up a quad set otherwise the problem will persist.

~hope it helps
Andrew Rutter
Honored Contributor

Re: System can not boot up with bad memory.

hi,

the memory does have to be in quads on the rp34x0 series.

you should be able to identify the faulty dimm/s through the MP though. Check the error logs and it will tell you the location of the bad dimms. The system can dealloacte memory dimms itself if needed, too many errors.

you will need to remove the bad memory for a system boot though

Andy