CPU upgrade

I am upgrading my sparc (cycle 5) 85 MHz to a 167 MHz CPU module for UltraSparc performance. The vendor is suggesting that I reinstall my OS solaris 2.5 after the upgrade. Could anyone tell me if a complete reinstallation is reguired. I have customized my OS and hate to reinstall. Thanks.
rallardAsked:
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hrumayorCommented:
You can do an instalation in form of update and it preserves much if not all of your configurarion, defenitly you should try that option when installing, are prompted if you want to errase everytrhing or do a update choose that optinon, i have made updates and it works fine.

Warning: do a complete backup of your system and relevant data, things can go wrong in such a delicate task.
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Unix OS

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