I thought that the capacity model allowed you to go all the way from 1 
processor to the maximum number of processors.  I think the z/900 comes 
with books containing 8 processors each.  You order 1 book if you need 
between 1 and 8 CPs, 2 if you need between 9 and 16, with a maximum of 
3 books (I think).  The capacity model allows you to go from 1 CP to 
the maximum, without having to install anything.  

You are allowed to upgrade if you started with say 3 CPs, you can go 
all the way up to 8 without having to install anything. 

Eric Bielefeld
Sr. Systems Programmer
P&H Mining Equipment
414-671-7849
Milwaukee, Wisconsin


----- Original Message -----
From: "John S. Giltner, Jr." <[EMAIL PROTECTED]>
Date: Thursday, March 23, 2006 10:16 pm
Subject: Re: z900 "Capacity Models"?
To: [email protected]

> Chase, John wrote:
> > At <http://www-
> 03.ibm.com/servers/eserver/zseries/z900/glance.html> I
> > see this:
> > 
> > Hardware models 
> > General purpose models 101-109, 110-116, 210-216     
> > Capacity models 1C1-1C9, 2C1-2C9            
> > 
> > However, I don't see a definition of "Capacity models"; nor do I see
> > anything that would intuitively distinguish between a "general 
> purpose> model" and a "capacity model", other than the C in the 
> model number.
> > 
> > Can somebody give me a clue what "capacity model" means?
> > 
> > TIA,
> > 
> >     -jc-
> > 
> 
> IIRC the Capacity models mean that they they are able to do 
> capacity on 
> demand (COD) upgrades.  That is add a CPU on the fly without any 
> POR or 
> IPL.  Just call IBM, give them your credit card number, some guy 
> sitting 
> someplace dials into the box enables one or more CP's, and you now 
> have 
> more capacity.

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