Re: Setting system startup time?
- From: "Christian Kaiser" <bchk@xxxxxx>
- Date: Mon, 25 Apr 2005 16:12:00 +0200
Chuck,
thanks a lot! These are starting points I will try. I never used WMI up to
now, thus I din't know what it can do and what it cannot - I´ll look into
it.
Christian
"Chuck Chopp" <ChuckChopp@xxxxxxxxxxx> wrote in message
news:uW1tOvZSFHA.1476@xxxxxxxxxxxxxxxxxxxxxxx
> Christian Kaiser wrote:
>
>> Hi,
>>
>> I don't know a better group - sorry. Who can give me some hints on how to
>> set the system's startup time (usually stored somewhere in the BIOS) from
>> inside Windows?
>>
>> I do a program that measures several parameters of solar collector
>> systems,
>> and I want it to be able to shutdown in the evening (easy) and restart at
>> the next morning (that's the problem) to avoid energy waste.
>
> If I'm understanding your question properly, then from within a Win32
> application you want to be able to modify the automatic wakeup time that
> is
> stored in the BIOS such that after your application initiates a O.S.
> shutdown & power-off, the BIOS will wake up & reboot the system at some
> time
> in the future?
>
> Is that correct?
>
> If so, I think your best bet is going to be to investigate the somewhat
> murky & complex world of WMI [Windows Management Instrumentation]. It is
> one of the few components of the O.S. that I've seen that can interact
> with
> the BIOS at all, and there may very well be a WMI object with a method
> that
> can allow you to get/set this value in the BIOS. Lacking the availability
> of WMI, of if WMI simply turns out not to be able to do this, then there
> may
> still be hope. DMI [Desktop Management Instrumentation? Desktop
> Management
> Interface?] was an earlier specification for getting & setting BIOS
> information, especially monitoring stuff like the fan sensors & CPU
> temperature sensors, and monitoring the failure prediction status of
> S.M.A.R.T. enabled hard drives. However, each motherboard & BIOS
> manufacturer was responsible for developing their own DMI tools for each
> O.S. that would run on their hardware, so not every mobo/BIOS combo would
> necessarily support DMI. I recall that IBM and a few other major PC
> manufacturers also had DMI kits that were somewhat far reaching in their
> support of mobo/BIOS combos from other manufacturers if the hardware had
> DMI
> support built into the BIOS. Researching DMI further might net you some
> useful result.
>
> Finally, if I'm not completely up to date in my knowledge of power
> management API functions in Windows, given a system with an ATX power
> supply
> & motherboard, there may very well be an API function or WMI object/method
> that can modify this particular BIOS value for you as part of the system
> power management functionality.
>
>
> HTH,
>
> Chuck
> --
> Chuck Chopp
>
> ChuckChopp (at) rtfmcsi (dot) com http://www.rtfmcsi.com
>
> RTFM Consulting Services Inc. 864 801 2795 voice & voicemail
> 103 Autumn Hill Road 864 801 2774 fax
> Greer, SC 29651
>
> Do not send me unsolicited commercial email.
.
- References:
- Setting system startup time?
- From: Christian Kaiser
- Re: Setting system startup time?
- From: Chuck Chopp
- Setting system startup time?
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