[SunHELP] solaris 10 for an ultra-1?

Sandwich Maker adh at an.bradford.ma.us
Fri Feb 3 10:59:57 CST 2006

" From: Bill Bradford <mrbill at mrbill.net>
" On Thu, Feb 02, 2006 at 01:31:34PM -0700, Arthur Wouk wrote:
" > i have an ultra-1 enterprise machine, 200mhz cpu, 1gig ram, and four
" > []
" > 1)  will going to 64bits make the system run significantly faster? 
" No.  You might even get a performance *hit*.

now i remember!

this has to do with register utilization - in 32b you have effectively
almost twice as many available since many can be segmented.

" > 2) has anyone gotten solaris10 to run on such an upgraded ultra-1?
" Not going to happen.  Sol10 will only run on a 200Mhz or faster 
" UltraSPARC-II or better.  No support for UltraSPARC-I even exists in
" the current sources as far as I know (big discussions about this 
" on the OpenSolaris-discuss list a few months ago).

i also remember this now.  iirc pre-release s10 [alpha? beta?] still
ran on us1 chips but that was taken out of the official releases.
Andrew Hay                                  the genius nature
internet rambler                            is to see what all have seen
adh at an.bradford.ma.us                       and think what none thought

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