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Write to BIOS from XP

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  #1 (permalink)  
Old 07-08-2008, 05:38 AM
danis
 
Posts: n/a
Write to BIOS from XP
Hello!

I know this is not the best place to ask this question, but because
there are a lot of experts here, I take my chance.
What I want to know is if it's posible to make a BIOS setting from
Windows?
More precisely, I want to set the RTC alarm to some terminals, without
having to connect a keyboard to each one of them, and thus setting it
manually. What I was thinking, is to make an application, that acceses
a DLL with some API functions, through which I could set this setting
into BIOS, from Windows (XP or XPE).
Do you know or think that this is posible?

Thanks!
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  #2 (permalink)  
Old 07-08-2008, 08:39 AM
Peter
 
Posts: n/a
Re: Write to BIOS from XP
Hi,

This is possible through a DLL.

We have previously successfully used "Win95io.dll" from a custom application
to set BIOS / CMOS values.

You ned to find the address where RTC is stored and also calculate new
checksum.

/Peter

"danis" <danisirb@gmail.com> wrote in message
news:64c901b4-2469-473f-8480-e67faf047d8e@s50g2000hsb.googlegroups.com...
> Hello!
>
> I know this is not the best place to ask this question, but because
> there are a lot of experts here, I take my chance.
> What I want to know is if it's posible to make a BIOS setting from
> Windows?
> More precisely, I want to set the RTC alarm to some terminals, without
> having to connect a keyboard to each one of them, and thus setting it
> manually. What I was thinking, is to make an application, that acceses
> a DLL with some API functions, through which I could set this setting
> into BIOS, from Windows (XP or XPE).
> Do you know or think that this is posible?
>
> Thanks!



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