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CPU's on N4000 are 550Mhz but itick_per_usec show 440.

 
Edward J. Segura
Frequent Advisor

CPU's on N4000 are 550Mhz but itick_per_usec show 440.

I replaced 8 CPU's from 440Mhz to 550Mhz. The system still shows the speed at boot and itick that they are 440Mhz. Is there something I need to do to show the correct speed? Thanks
5 REPLIES 5
Torsten.
Acclaimed Contributor

Re: CPU's on N4000 are 550Mhz but itick_per_usec show 440.

Hi,

you have to adjust the DIP switches on the system board to the 550MHz values.
The settings depend on the systemboard revision (A/B/C).

Hope this helps!
Regards
Torsten.

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Torsten.
Acclaimed Contributor

Re: CPU's on N4000 are 550Mhz but itick_per_usec show 440.

see also

http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=1085099

Hope this helps!
Regards
Torsten.

__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.

__________________________________________________
No support by private messages. Please ask the forum!

If you feel this was helpful please click the KUDOS! thumb below!   
Edward J. Segura
Frequent Advisor

Re: CPU's on N4000 are 550Mhz but itick_per_usec show 440.

I am having trouble booting the system now and did not mark the 440 dipswitch. Would you by any chance know the settings for 440?
Edward J. Segura
Frequent Advisor

Re: CPU's on N4000 are 550Mhz but itick_per_usec show 440.

I have found the dip switch settings and moved it back to original state. It seems that this board A3639-60006 Rev A4 can only be set to 340 or 440Mhz, am I correct? and do I need to get a new board in order to use the 550Mhz cpu's? Also Thanks for the replies back, they were very helpful.
goldboy
Trusted Contributor

Re: CPU's on N4000 are 550Mhz but itick_per_usec show 440.

you are correct the Board you have is a revision A and will work up to 440 proc.
you need revision B system board P/N A3639-60020 in order to work with the 550Mhz processors.

Tal
"Life is what you make out of them!"