[ltp] R40 display brightness on battery power?

[Ivarsson, Torbjorn (T)]

> -----Original Message-----
> From: Christoph Singer [mailto:cs@ccss.de]
> Sent: Monday, April 12, 2004 4:12 AM
> 
> On 06.04.2004 00:32, Benjamin Weste Pearre wrote:
> > Just a quickie here -- on line power the display on my R40 is much
> > brighter than on battery.  Obviously this is best for power, but I'd
> > prefer to manage this myself using Fn-[Home|End].  I've 
> looked through
> > the BIOS settings (mostly using tpctl) and the ones that look like
> > they might possibly disable LCD dimming don't have any effect.
> 
> On the R40, there is such a BIOS option. It was the first setting I 
> changed after bying my new R40.
> Unfortunately, I can't access my BIOS any longer (It says 
> something like 
> "authentication failed" or "access denied" when I hit the 
> "Access IBM" 
> button at boot time - anyone knows how to fix this?) and so I cannot 
> look into the BIOS where to find exactly this option. I only remember 
> that it was not very easy to find, because it was not in the 
> place where 
> I expected it or has a misleading name - but it should be 
> really there.

You can press F1 during the startup to get into BIOS. Maybe "Access IBM" fails because you have wiped out the "hidden" partition.

The BIOS option Config/Display/Brightness says "If you select HIGH, the LCD brightness will be the same regardless of whether the computer is running on battery power or AC."

T.