sawdust3d Jan 16, 2021 @ 4:13pm
How to prevent z370 from reverting to GPU after enabling iGPU?
Hey all,

So as in the title. I'm trying make my iGPU the primary display adapter indefinitely regardless of me adding, removing or swapping out dedicated GPU(s).

I've enabled the iGPU in the BIOS (Gigabyte), and I'm not hung up in the "wrong port/black-screen loop" or anything like that.

Any ideas?

*I know this has come up before, but I wasn't hitting much in the search.

Thanks,

Edit: I just remembered the plug switching trick by accident too; but there has to be a better way.
Last edited by sawdust3d; Jan 16, 2021 @ 4:22pm
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Omega Jan 16, 2021 @ 4:22pm 
Why would you want the I-GPU to be primary?

To make the I-GPU the primary card all you have to do plug your monitor in to the motherboard and the I-GPU will be used for that screen.
_I_ Jan 16, 2021 @ 4:52pm 
if you have a dedicated gpu, odds are its much stronger than the igpu and can support 4+ displays
sawdust3d Jan 16, 2021 @ 6:01pm 
It's a selective power usage thing for one of mu goofy-ass projects: A remote, solar-hydro electric field PC command station. It's proof-of-concept at this point, so I'm working with what I have (especially for power controllers and storage).

But basically I want some systems that never shut off and run super low energy consumption, and other systems that can be brought online at will by spending energy from the overflow banks or that trigger automatically when there's a direct power influx.

I thought that too Omega, but it doesn't appear to be the case. The iGPU won't fire up if it detects there's a dedicated GPU in the PCIE, excerpt in conjuction and with much rig-a-mer-ole.

_|_, oh there's higher end stuff here I could throw at it, but I'm challenged to use mostly what I've been supplied with. Like this little stack of 512MB Geforce 210(s) I received as "bonus".

If I could get the iGPU to stay the primary while other GPU are in the system, I'll be able to consolidate some systems.

Omega Jan 16, 2021 @ 6:13pm 
This is undoable with a normal desktop computer, these devices tend to pull around 50 watts at idle. So you will need a solar panel which is half your size running at maximum capacity to keep this machine running at idle. And that doesn't even include the screen yet.


Get a Raspberry Pi for $35. This machine will pull around 3 watts at idle and 7 watts under stress. Then either decide on a normal LCD (uses a lot of power, but it's a proper screen) for it or an E-ink (uses very little power, slow, usually black and white only) panel.

You can run this device off batteries if you want.
sawdust3d Jan 16, 2021 @ 7:06pm 
Oh it's doable, and I have my Kill-A-Watt meter handy.

As it stands, I can supply ~150w continuous, without needing to supplement with grid power, for ~ 2 weeks , in New England. It's all about storage capacity; that is just the base solar system (Ha!) , to be expanded in due time.

My first mini-hydro plant can put out over 300w when the stream is ripping. I learned a lot on that one. The next ones will be better, but the power is seasonal.

This isn't going to be quick or mobile.
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Date Posted: Jan 16, 2021 @ 4:13pm
Posts: 5