x-magic
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The "Sticky Bit" of overvolting?

Thu Sep 20, 2012 9:02 am

Is there a way to check if the RPi is overvolted, or whether the permanent bit is already been changed? Thanks!

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RaTTuS
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Re: The "Sticky Bit" of overvolting?

Thu Sep 20, 2012 9:06 am

cat /proc/cpuinfo
if the revision has the high bit set then it has been overvolted
Last edited by RaTTuS on Thu Sep 20, 2012 9:15 am, edited 2 times in total.
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MattHawkinsUK
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Re: The "Sticky Bit" of overvolting?

Thu Sep 20, 2012 9:08 am

At the command prompt :

Code: Select all

cat /proc/cpuinfo
The Revision number at the bottom will start with 1000 if the overvolt bit is set.
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Re: The "Sticky Bit" of overvolting?

Thu Sep 20, 2012 9:15 am

gak - just managed to nija edit my post ...
;)
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kyelo
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Re: The "Sticky Bit" of overvolting?

Thu Sep 20, 2012 7:41 pm

If the Pi is NOT overvolted, what does the line "Revision : xxxxxxx" show in response to "cat /proc/cpuinfo"?

I have overvolted, and my line reads "Revision : 1000002".

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Re: The "Sticky Bit" of overvolting?

Thu Sep 20, 2012 7:49 pm

kyelo wrote:If the Pi is NOT overvolted, what does the line "Revision : xxxxxxx" show in response to "cat /proc/cpuinfo"?

I have overvolted, and my line reads "Revision : 1000002".

Code: Select all

Revision : 0002

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Re: The "Sticky Bit" of overvolting?

Sun Jul 26, 2015 9:38 pm

I have a pi2 and mine shows
2a01041
what does that mean ???
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Re: The "Sticky Bit" of overvolting?

Sun Jul 26, 2015 10:43 pm

ric96 wrote:I have a pi2 and mine shows
2a01041
what does that mean ???
It means you have a Model B Pi 2 that has the warranty void bit set.

There is some information on elinux.org about the revision numbering that was introduced with the Pi 2. I have some code on github that decodes the new revision number.

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