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Power Management


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#1
Vaillant

Vaillant

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Ok. This issue started many months ago, far before I joined GeeksToGo. I looked around, figured out the probable source of problem, and let it be.

Now I want to see if you guys wouldn't know something I dont.

My power management options ( hybernate, stand-by, turn off monitor ) have all been disabled upon installing my second video card, a 10 year old ATI Mach64GX ( 2mb buffer )

The only option remaining is to turn off the hard-disks


My current theory is that the card is just too old, and doesn't have power management settings. However, I was wondering if it wasn't possible to configure windows to give it some?

Awaiting your replies. Thanks
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#2
Neil Jones

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The power management options are only provided if Windows is sure that the newly added device(s) is able to go into those modes.

Because the nature of hibernate, standby and turn off monitor are pretty critical to a graphics card since its where Windows sends the commands, if Windows can't be sure that it's going to work properly, it's just not going to let you do it at all.

Windows has its own driver database which tells it about all the hardware it knows about and can support and what that hardware is capable of. Therefore in this case, Windows probably knows one of two things:

1) That card doesn't do power saving at all under the current standards that have changed a lot since that card was released.
2) Something else on the system is interferring with the power saving (probably due to that card).
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