[Sunhelp] E3000 upgrade only with new 336/400MHz module

[Nathan Collins]

Have you considered upgrading the CPUs with the 400Mhz 8MB cache modules.
Your EX000 will then only require the clockboard to be upgraded to a 5-1
capability. This will allow you to run the centreplane at 84MHz but have
CPUs running at 400MHz (as both clockboard and CPU can run a 5-1 clock
ratio). This would not be an option with the 400Mhz 4MB CACHE CPU as it can
only run a 4-1 clock ratio.

Nathan

-----Original Message-----
From: Robert.Cross at scottish-newcastle.co.uk
[mailto:Robert.Cross at scottish-newcastle.co.uk]
Sent: Thursday, July 22, 1999 11:17 AM
To: Wonkyu.Chang at korea.sun.com
Cc: sunhelp at ohno.mrbill.net
Subject: Re: [Sunhelp] E3000 upgrade only with new 336/400MHz module


Wonkyu Chang wrote:
>IHAC that he already had E3000 with UltraSPARC-II 250MHz.
>By the way, he wanted to upgrade only with processor module.
>Can he upgrade his system with just installing new 336/400MHz module?
>Is there anything to be changed except processor module?

We've got an E4000 here, and were advised that we can go to USII-336 cpus
with 
no problems. The
USII-400 upgrade will require updating the box to Ex500 level, (there is a
Sun 
Field Change kit to do
this, which is good - it's nice to know we've got an upgrade path!!). The 
problem is apparently that
the 250/336 cpu's only push the bus at 84MHz, whereas the 400's need 100MHz.

If you check out the midrange server area on the Sun web site you'll see
what I 
mean. There used to
be a document that explained the differences between Ex000 and Ex500, but it

appears to have been
deleted or moved.

If it was me I'd just take the 336's and smile, (just my personal opinion).

Robert Cross.

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