[ltp] Making backup of BIOS settings?

[U Kuehn]

Ryan Underwood wrote:
> On Wed, Aug 23, 2006 at 11:03:56AM -0500, Ryan Underwood wrote:
>> On Fri, Aug 18, 2006 at 08:40:55AM +0200, Felix E. Klee wrote:
>>> Is it possible to read the BIOS settings of a T41 from within LINUX in
>>> order to get some kind of backup.
>> You can read/write CMOS with a simple C program:
> 
> There is also this file:
> crw-rw---- 1 root root 10, 144 2006-08-23 12:17 /dev/misc/nvram
> corresponding to the nvram driver, you could try that driver and see if
> it allows read/write access like you need.  It doesn't dump as much as
> my program but I can't remember exactly the contents of the CMOS anyway.
> 
Let's assume that you can backup the BIOS settings this way. How do you
restore if you need to? Maybe a sheet of paper would serve you better?

Cheers,
Ulrich