OverdriveNtool isn't some random overclock tool and it's 100x better than that OC crap AMD has in their drivers or any other OC tool for that matter.
It clearly lacks sufficient safeguards to stop novice users from bricking their cards, so it clearly has some issues. At the very least you should need to disengage some safety features manually before you can actually break things.
As for it working the same as everything else - if that was the case, clocks wouldn't carry over after a reboot, and wouldn't stop the board from showing the BIOS. Afterburner and other similar tools only apply the OC after the system has booted, windows has been logged in, and the software has started running.
So there are two possible options: either this software works in some potentially dangerous non-standard way, or it lacks basic safety precautions to stop novice users from killing their hardware. Either way it should be avoided by most people.
This one valantar right?
I dont know where to find the manual for the pc.
And i already asked in 3 different forums how to set the primary adapter but nobady cozld tell me. Ine guy told me this is a setting that's only old motherboard have...
I will contact tomorrow some shop to get the product on the picture.
Are u sure when i cut a slite cleave through the black plastic it will work?
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That's a mining riser, not really what I meant, no. It likely doesn't have enough bandwidth and a stable enough signal for attached cards to work as display adapters. It might work, but YMMV. I meant a more standard PCIe riser, with a PCIe ribbon cable from the X1 slot to an attached x16 slot. ADT makes good ones. And yes, cutting out a groove in the X1 slot will work (without the need for a riser) as long as you can power the card - PCIe devices will work in any standards compliant slot, though performance in games and the like would be dramatically reduced and you might get warnings about insufficient bandwidth. But it will work for testing. Just don't cut into the motherboard or any of the pins in the PCIe slot.
As for the manual, have you Googled it?
My brand new Asrock B550 board has a setting for primary GPU, as does my 2012 Optiplex, so no, that's not a feature only found on motherboard's from a specific era. That still doesn't guarantee that Acer bothered to include it with your board of course - OEM motherboards are well known to be quite bad.