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Old 05-05-2010, 05:24 AM   #1
bambriy
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Registered: Jun 2006
Posts: 3

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CMOS backup/recovery on ThinkPad T61p


Hi there,

I'm trying to set my Fedora 11 LiveUSB for automatic backup and recovery of ThinkPad T61p's. Part of the task is CMOS settings transition from a donor machine.

I've tried the following options:

- cmospwd /w test.bck => cmospwd /r test.bck
Didn't work, no errors reported, it just didn't override "Quick boot" flag changed after CMOS has been recorded.

- Lenovo 's srcmos 4.01 under DOSBox (well, just for fun basically)
Program returns an error "2 This system is not supported by this program" while documentation states opposite.

Laptop's BIOS version is 2.24 (7LETC4WW) - Phoenix.

Are there any other options available?
 
Old 06-30-2010, 05:04 AM   #2
bambriy
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Registered: Jun 2006
Posts: 3

Original Poster
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So, the problem was easy to solve. udev maps CMOS to /dev/nvram, so simple dd command works both for backup and recovery.
 
Old 01-26-2011, 05:49 PM   #3
SaintDanBert
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Registered: Jan 2009
Location: Austin, TX
Distribution: Mint-15 with Cinnamon & KDE
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Okay so 'dd' will catch all of the bits...

Is there any utility that will format those bits into something human readable?
(grinning) Please don't suggest 'od' or other raw-bit or raw-byte display.
I'm hoping there is something like XML or other "fields" with "meaningful"
data labels or similar.

Merci d'avance,
~~~ 0;-Dan
 
Old 01-27-2011, 09:06 AM   #4
bambriy
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Registered: Jun 2006
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Yes, there's one called <a href="http://www.cgsecurity.org/wiki/CmosPwd">CMOSpwd</a>. Actually, dd screws CMOS up, so I used that one eventually. It can also dump CMOS if used with flag /d.
 
1 members found this post helpful.
Old 01-29-2011, 12:15 AM   #5
SaintDanBert
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Registered: Jan 2009
Location: Austin, TX
Distribution: Mint-15 with Cinnamon & KDE
Posts: 1,368
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Rep: Reputation: 86
Quote:
Originally Posted by bambriy View Post
Yes, there's one called <a href="http://www.cgsecurity.org/wiki/CmosPwd">CMOSpwd</a>. Actually, dd screws CMOS up, so I used that one eventually. It can also dump CMOS if used with flag /d.
Great!!

BTW -- there is a "url" and "/url" tag to bracket web links within an LQ post.

"url=webLink"label"/url" ..... except use square brackets not double-quotes
"url"weblink"/url"

CMOSpwd

http://www.cgsecurity.org/wiki/CmosPwd CMOSpwd

Cheers,
~~~ 0;-Dan
 
  


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