Running 5 monitors off a GTX 1080?

1,187 Views | 4 Replies | Last: 7 yr ago by aggieforester05
aggieforester05
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Has anyone done this using ASUS Bios?

I have a home built rig with the following specs

I7-7700K

MSI GeForce GTX 1080

ASUS Prime Z270-A Motherboard

G.Skill Trident RBG Series DDR4 3000 @ 32GB

Samsung 960 EVO M.2 500GB

Samsung 850 EVO 500GB SSD

Seagate 7200rpm 6GB Hard Drive

WD 7200rpm 4GB Hard Drive

Corsair Hydro Series H100i V2 Water Cooling


At my current desk I only have room for two monitors side x side. So my current set up is 2 24" 1080P monitors side by side with a 24" 720P TV mounted above them and a 32" remote located TV that is used for Flight and Racing Sim games. That TV is on a lazy susan that can be rotated between a Saitek flight yoke setup and a G27 Racing wheel setup on the other side of the table.

I've been running the two primary monitors independently and mirroring the two 720p TVs so I can set everything up at my workstation and then move to the sim station for actual playing.

The two monitor side by side setup at my current desk is not good for games (besides racing or flying) and I have another 24" 1080P monitor that is doing nothing but laptop duty right now, that would make a perfect middle monitor.

So my new desk will have room for a traditional triple monitor setup, then I'd like to mount the 24" TV above that set up like it is now above the dual monitors. That TV will strictly be for video watching duty. I like having youtube or netflix playing on it while I work. I also like the ability to just drag and drop chrome tabs over to that monitor when I happen on a video I want to watch. Which is why I don't want to use a fire stick or equivalent.

The sim station will move to where the two setups are side by side and I have a 50" 4K TV that will be mounted on a mount that will swing between the two sim setups. The 32" TV will no longer be used.

Since I'm going with much higher resolution on the sim setup, I'm not going to be able to mirror the image with the 24" TV anymore, but I'm not worried about that. I do however want to be able to run all five monitors at once and not have to disconnect one to make another one work.

When I was building the system I googled the monitor capacity of the 1080 and found a reddit thread that wrongly stated it could handle five. Come to find out now that I'm actually trying to set it up, that it will only handle four at once. I could run five in SLI, but GTX 1080s are really expensive, especially since the bit coin craze. I don't want to buy that right now.

What I'd like to do is run the triple monitor setup and the sim TV off of the GTX 1080 and potentially run the 24" TV off of the integrated card on the motherboard. Like I said, I know the graphics output of the integrated card sucks, but this TV will be used for nothing but video streaming and chrome tabs. Games will be played on either the triple monitor setup or the 50" TV.

Does anyone think this is possible on my set up or has anyone done a similar setup?

Is there a simple bios setting I can change to enable the integrated graphics? Do I need to download drivers?

Thanks
tamusc
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Whenever you have a discrete GPU installed, the integrated graphics are typically disabled. Here's a quick link that will show you how to enable the integrated graphics (iGPU) to use to drive an additional monitor.

https://www.asus.com/support/FAQ/1017796/
kb2001
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Check the specs of the graphics card, the total resolution it can drive is 7680 x 4320 @ 60 Hz, focus on the resolution totals, not the number of screens. Keep in mind if you want a higher refresh rate, the pixel count will drop

Step 1, use DP instead of HDMI. It's a better spec that can handle more pixels from a single port and can daisy chain together to handle multiple monitors from a single port

What panels do you want to drive from the card, and what are the resolutions of each panel?

aggieforester05
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kb2001 said:

Check the specs of the graphics card, the total resolution it can drive is 7680 x 4320 @ 60 Hz, focus on the resolution totals, not the number of screens. Keep in mind if you want a higher refresh rate, the pixel count will drop

Step 1, use DP instead of HDMI. It's a better spec that can handle more pixels from a single port and can daisy chain together to handle multiple monitors from a single port

What panels do you want to drive from the card, and what are the resolutions of each panel?


Okay, I tried the link in tamusc's response last night. When I changed the setting in Bios, my on board display started working while in Bios and the 1080 stopped working. Then once it booted up it reverted back to the 1080 with no output the monitor hooked up to the onboard graphics.

Under my display adapater settings in device manager it only shows the GTX, just like the article states. Unfortunately I have not found the onboard graphics drivers on Asus website for my motherboard. I was limited on time though and I'll try to find them again tonight.

The monitors are 3x 1920 x 1080, 1x 1280 x 720, + the 4K TV. If I had to I could just keep using the 32" 720P TV in lieu of the 4K TV. Might eventually swap it out for a higher resolution monitor. Was going to use the TV, because I inherited from a business and it would be an improvement.

Three of the 4 connected to the graphics card are DVI, the other is HDMI.

Based on your comments about total resolution, it looks like I'd be doing good to run the three primary monitors and the 32" 720 TV. Hopefully I can get the onboard video to work good enough to drive the 24" TV.

Looks like the best solution would be to add another 1080, but damn that's going to be expensive considering how overpriced they are right now due to crypto currency and that it will push me over the limit on my power supply.

What would happen if I bought a cheapo card to run the extra monitor to put in the additional slot without running anything in SLI?

OR

If I ran another 1080 to drive just the high res sim monitor without SLI?

Thanks guys!
tamusc
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You can indeed just install another graphics card to run additional monitors. In my old system, I have two GPUs that I would switch between SLI (for gaming) and independent if I wanted to connect additional monitors.If you just want additional display outputs, then you don't even need to worry about SLI.

There are also some USB video adapters for additional monitors, but most of the ones I've used tend to be a bit flaky or have refresh rate issues.
aggieforester05
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Found the intel drivers tonight and have all five monitors working. Haven't tried the 4K TV yet, but I don't expect it to work at full resolution due to the max resolution. Thanks everyone!
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