[SunHELP] cpu swap

Peter Stokes peter at ashlyn.co.uk
Thu May 6 01:56:00 CDT 2004


On Wed, 2004-05-05 at 23:59, Kurt Huhn wrote:
> On May 5, 2004, at 8:42 PM, Bob Ababurko wrote:
> > hey all-
> >
> >   I am wondering if I can swap out processors on my Ultra 60 and just 
> > do a reconfiguration boot to configure the OS...or do I have to start 
> > with a fresh OS install to make the new processor work.  I am trying 
> > to go from a dual 300 to a single 450.  I would also like to ask the 
> > list members what the performance advantages are of having a dual 
> > processor.  I am under the impression that dual procs will not help 
> > out performance-wise on things like web, mail, and dns.  Is this true? 
> >  Or do we just need dual processors for databases and such?
> You don't even need to reconfigure, just pop the processor in and it'll 
> work.  You could do a 'boot -r" just for the sake of completeness, but 
> it's not necessary.

You must make sure that the OBP version is the latest as early 300Mhz
U60 have a too early version of the OBP firmware to support the 450's.
>From memory the jumper for the CPU speed is the same for the 300 and the
450, but different for the 360.


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