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03-10-2008 09:24 AM
03-10-2008 09:24 AM
I have added memories on itanium servers and all is working fine. My question is:
If I have memories of differents speeds, Can I have performance problems?
How I Can know the memories speed by Linux Commands or MP commands?
Thanks.
PS. OS Linux RHEL 3
Solved! Go to Solution.
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03-10-2008 09:42 AM
03-10-2008 09:42 AM
Re: Memory on Intanium servers
You may have problems with different type of memories
To check memories connect to MP
then type CM
then type DF
You can see DIMM numbers and installed memories
Best Regards
Murat
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03-10-2008 09:56 AM
03-10-2008 09:56 AM
Re: Memory on Intanium servers
I have typed this command after that "A" (A - All available FRUs)
I have read all the memory information but I can know what is the speed or kind of memory is it. Can you help me? this is a short output:
Type
FRU Entry # 21 :
FRU NAME : DIMM1C
FRU ID : 0xB0
JEDEC SPD Rev : 0x00
JEDEC Mfg ID : 0x7F94FFFFFFFFFFFF
JEDEC Mfg Location : 0x02
JEDEC Mfg Part # : 2660-0007-IFICHT0A
JEDEC Mfg Revision Code : 0x00FF
JEDEC Mfg Year : 0x67
JEDEC Mfg Week : 0x29
JEDEC Mfg Serial # : 0xE8024021
Mfg Unique Serial # : 0x0194026729E8024021
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03-10-2008 10:05 AM
03-10-2008 10:05 AM
Re: Memory on Intanium servers
Could you paste more information there must be a string like A6967AX or A6969-69001
Best Regards
Murat
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03-10-2008 10:18 AM
03-10-2008 10:18 AM
Re: Memory on Intanium servers
Thanks, Here is a txt file about DF output
Thanks for all.
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03-10-2008 10:26 AM
03-10-2008 10:26 AM
Re: Memory on Intanium servers
What type of server do you have rx...?
And where did you buy RAM modules? I think this is not HP brand RAMs
Best Regards
Murat
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03-10-2008 10:43 AM
03-10-2008 10:43 AM
Re: Memory on Intanium servers
Do you can see something?
Is posible see any problems?
Thanks
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03-10-2008 11:25 AM
03-10-2008 11:25 AM
SolutionDF is not used for system hardware monitoring or checking DIMM problems in your case
You should see System Event Logs or OS logs to monitor hw.
Your DIMM part numbers does not look like HP Part Numbers. You can check which DIMM modules compatible with your system from following url
http://partsurfer.hp.com/cgi-bin/spi/main?sel_flg=modsrch&template=main&cpric=&prodsrch=RX4640&submit.x=0&submit.y=0
you should also ask to your sales consultant
Best Regards
Murat
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03-10-2008 04:03 PM
03-10-2008 04:03 PM
Re: Memory on Intanium servers
I am going to send this output to sales consult.
This informmation is useful true?
Thanks for you support and will post the conclusion.
Greetings.
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03-10-2008 10:35 PM
03-10-2008 10:35 PM
Re: Memory on Intanium servers
Try "dmidecode" command which will give you the information you are looking for.
There is a penalty of memory underclock if you mix the memory with different speeds which mean under-utilizing the hardware and compromise the memory IO performance.
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