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N4000 CPU addition

 
scifusers
Advisor

N4000 CPU addition

Hi,

We like to add additional cpu's to N4000-75 system taking CPUs from N4000-55 system.

Is it possible can mix n match cpu with different speed?

N4000-55
CPU Version: PA 8600 CPU Module 3.1
Clock Frequency: 550 MHz

N4000-75
CPU Version: PA 8700 CPU Module 2.3
Clock Frequency: 750 MHz

Thanks.
3 REPLIES 3
TYP3R
Frequent Advisor

Re: N4000 CPU addition

You can not mix n match CPU on the these server.. They are set to a certain speed using the DIP switch settings on the systemboard.
Crewescontrol
Frequent Advisor

Re: N4000 CPU addition

Also, please be aware of the system board you have installed in the server. You cannot put 750mhz cpu's onto a Rev A or Rev B system board, so hopefully you may already have a Rev C which will take 550/650/750 MHz.

SYSTEM CARD (rev. A) A3639-69706 A3639A N4000 360/440 MHz (Cuda)

SYSTEM CARD (rev. B) A3639-69420 A3639B N4000 360/440/550 MHz (Landshark)

SYSTEM CARD (rev. C) A3639-69025 A3639C N4000 550/650/750 MHz (Piranha)
Andrew Rutter
Honored Contributor

Re: N4000 CPU addition

hi,

on top of what you have already been reliably informed of. You also need to upgrade the Processor Support Modules aswell.
They are different for the PA85/600 and PA8700 cpu's.

but do not attempt to mix them. Also the system board switches will need changing to reflect the higher cpu's. But first check if you actually have a system that can take the cpu's
A3639-60025 in s system with the product number A3639C

Andy