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Date:      Thu, 26 Jul 2007 17:29:02 +0000
From:      "V.I.Victor" <idmc_vivr@intgdev.com>
To:        "Manolis Kiagias" <sonicy@otenet.gr>
Cc:        questions@freebsd.org
Subject:   Re: ACPI slowing CPU... or something else
Message-ID:  <W7051626979317091185470942@webmail24>

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On Thu, 26 Jul 2007, Manolis Kiagias wrote:

> V.I.Victor wrote: I was wondering about the "truth-of-clockspeed."

>> Perhaps the 1800-MHz only applies to CPU internal cache, etc. while
>> the external bus-clocking is down at 500-MHz or so.  Sounds like a
>> typical marketing ploy!
>>
>> About disabling the ACPI...  Can I do it *safely* via the remote-ssh
>> connection?  Or do I need to be at the box w/ keyboard and monitor?
>> What I've read makes it seem that the ACPI is set at boot-time.
>>
> If you don't mind rebooting the remote machine, add:
>
> hint.acpi.0.disabled="1"
>
> to /boot/device.hints and reboot

Although I've re-booted remotely, I've never done it after a boot modification.  It's probably prudent to wait 'til the weekend to try this -- mistakes are easier to deal with!

Thanks for the info.






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