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Booting the 32-bits OS ...

Posted on 2004-03-30
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Last Modified: 2013-12-27
When I start my SUN ULTRA-1 I see this message:
"NOTICE: 64 bit OS installed, but the 32-bit OS is the default for the processor(s) on this system.
Booting the 32-bit OS ..."
It doesn't happen until now!
What can I do? How to chnage the default setings for the processor? Is ther any configuration files?
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Question by:krava
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liddler earned 250 total points
ID: 10712054
from http://sunportal.sunmanagers.org/pipermail/summaries/2003-January/004383.html
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Rebooting with command: boot
Boot device: disk  File and args:
|
NOTICE: 64-bit OS installed, but the 32-bit OS is the default
        for the processor(s) on this system.
        See boot(1M) for more information.

Booting the 32-bit OS ...

This message indicates that the Open Boot version recognize the problem
about 64bit mode or 32bit mode for this processor but on default the 32bit
mode would be booted. It is also recommended to do it only with 200Mhz or
higher. It could be done also on lower speed but it is not recommended.

There are three possibilities to boot the 64bit mode:

First possibility:
Open the file /platform/sun4u/boot.conf and uncommet the last line in this
file:
ALLOW_64BIT_KERNEL_ON_UltraSPARC_1_CPU=true
Reboot the system!

Second possibility:
If the system is running and your are under a shell it could be used:
eeprom boot-file=kernel/sparcv9/unix
Reboot the system!

Third possibility:
If you are under OK prompt it could be used:
setenv boot-file kernel/sparcv9/unix
File being read is under /platform/<uname -i>/kernel/sparcv9/
Reboot the system!

A nice link with the neccessary information is
http://slacksite.com/technotes/64bitUltra1.html
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