IIRC, a 979-200 uses 2 x 180mHz processors, while a 979-250 uses 2 x 240mHz processors.

An N4000 comes with 750mHz processors which are throttled to fit your license speed by the model string, which is loaded into ROM on the boards by SS_CONFIG, a proprietary HP program which several companies were over by HP some years ago for using illegally to reset model strings for used systems (changing them from HP-UX to MPE/iX systems).

My N4000-400-500 for instance has 4 x 750mHz processors which run at "500" mHz because it was much less extravagant a purchase than an N4000-400-750 would have been.

I don't know for sure, but I believe the lower rated boards ran on a slightly different N4000 chassis (such as the 330mHz and the 440mHz), though I'm sure someone else out there has the correct info on that.

Howard

-----Original Message-----
From: HP-3000 Systems Discussion [mailto:[log in to unmask]]On
Behalf Of Peter Smithson
Sent: Thursday, May 27, 2004 8:50 AM
To: [log in to unmask]
Subject: Re: [HP3000-L] CPU spec etc. of our MPE system and our HPUX one


 In article <[log in to unmask]>,
[log in to unmask] says...
> In article <[log in to unmask]>,
> [log in to unmask] says...
> > The 979/200 is a two-way PA-8000 CPU, 180 MHz, 1 MB data cache, 1 MB
> > instruction cache.
> >
> Hang on - the other guy said
(oops)

"The 979ks systems use a 180mhz pa-risc chip."

Which one is the one I use?  My CPU name is "HPCPUNAME = SERIES 979-
200".

Thanks.

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