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Re: Backing Up CMOS Settings Under Linux


On Sun, May 03, 2009 at 03:19:50PM -0500, Martin McCormick wrote:
> This makes it hard to boot from any CDROM until the CMOS gets
> changed back.
> 	As a computer user who is blind, this is annoying
> because one must look at the screen to set things back as there
> is no network interface or serial port or much of anything else
> up when in BIOS setup mode.
 > 	I would be perfectly happy with an application that read
> the current settings, saved them to a file and then could force
> them back in if necessary.

This is CMOS data normally accessed by BIOS.  So fstab is not the issue.

I do not know the answer but quick aptitude search with "~dcmos" lead me
 * libsmbios-bin
 * libsmbios-doc

These certainly looks interesting. (These are normally used by hal)

  Description: Provide access to (SM)BIOS information -- utility binaries
    libsmbios aims towards providing access to as much BIOS information as
    possible. This package includes libsmbios' sample binaries/utilities.

Another solution is live with boot from harddisk and find other way to
boot CD.  "mbr" package and "grub" comes to my thought.  They may be
configured so but I do not know how much support they provide for
braille terminals but should be better than the support by BIOS.

Good luck.


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