Does Linux have a CMOS Setup Application, possibly from a LiveCD?

[Leo Mauler]

--- Billy Crook <billycrook at gmail.com> wrote:

> The particulars of which bit stands for what can
> change from motherboard to motherboard, and even
> between bios revisions.

> As you can see, it is quite unintelligible.  But 
> you could 'save' your current working nvram 
> today, and 'restore' it next week, after you
> bork some setting in the BIOS (assuming you can
> still boot).

Yes, I do recall "save/restore CMOS" applications as
well.  While CMOS Setup utilities are board-specific,
are there general-use save/restore CMOS utilities
still available?

> On Mon, Mar 31, 2008 at 10:13 AM, Jonathan Hutchins
> <hutchins at tarcanfel.org> wrote:
> > On Mon, March 31, 2008 09:09, Leo Mauler wrote:
> >
> >  > In Ye Olden Days of PC/MS/DRDOS, there were
> CMOS Setup
> >  > Utilities which could be run from special boot
> disks.
> >  > If such an application still exists, and works
> for
> >  > modern CMOSes/BIOSes, I suspect that it is the
> only
> >  > way I'm going to be able to change the system
> time on
> >  > this computer, or more to the point tell the
> >  > motherboard BIOS that the Legacy Keyboard
> option is
> >  > disabled.
> >
> >  What there were were Motherboards who's CMOS
> lacked a built-in interface
> >  and required a regular disk-based program to
> change settings.  Those
> >  programs are highly BIOS-specific and not at all
> general utilities.
> >
> >  Since Linux is able to read and write to the BIOS
> address range, sure, you
> >  can do it.  The problem is knowing which portion
> of the address range
> >  means what - and without the interface program
> that lives in the BIOS,
> >  you're pretty much clueless about that.
> >
> >  The USB interface pre-dates USB "Human Interface
> Devices" (HID), which is
> >  why you'll see something like "support for legacy
> devices" in the BIOS
> >  config - which may or may not give you USB
> keyboard access to the BIOS.
> >
> >  Given that your motherboard is worth probably
> somewhere between $0 - $10,
> >  why not try to repair that PS/2 connector?  Or
> just find a similar-spec
> >  board that will use your CPU and RAM.
> >
> >
> >
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> >
> 



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