NexusSix
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Tuesday, September 29, 2020 5:15 PM
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I have an HDMI based monitor and a displayport VR headset and need to know if I need to do disconnection gymnastics to see my BIOS on boot like I did with the 2000 series GPUs.
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arestavo
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Re: 3000 series display output port priority?
Tuesday, September 29, 2020 5:23 PM
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As a general rule (and not always the case) the older the standard, the higher the priority. I'd assume HDMI would get priority on boot.
I do not have a DisplayPort monitor to check with however.
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drksilenc
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Re: 3000 series display output port priority?
Tuesday, September 29, 2020 5:36 PM
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So what i did to fix issue like this is to use a short extension cable to quick disconnect the vr headset.
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NexusSix
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Re: 3000 series display output port priority?
Tuesday, September 29, 2020 7:23 PM
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All of that is great but doesn't answer the question. Hopefully someone can list the port priority, I know it exists for the 10 series and 20 series.
Thanks!
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AHowes
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Re: 3000 series display output port priority?
Tuesday, September 29, 2020 7:27 PM
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Hdmi is usually first.. so hdmi screen would be used for bios.
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aldur80
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Re: 3000 series display output port priority?
Wednesday, September 30, 2020 3:23 PM
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With my 3090, the DP port that is furthest to the right shows the BIOS at start up. So let's do some ASCII art. If we're looking at the back of my GPU I have the following: HDMI--- DP1 --- DP2 --- DP3
x x x
When I boot my PC I get the BIOS screen on DP3 even though I also have DP1 and HDMI pulled in.
post edited by aldur80 - Wednesday, September 30, 2020 3:26 PM
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arestavo
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Re: 3000 series display output port priority?
Wednesday, September 30, 2020 3:25 PM
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aldur80
With my 3090, the DP port that is furthest to the right shows the BIOS at start up.
So let's do some ASCII art. If we're looking at the back of my PC case with the PC case standing my connections look like this:
DP1 --- DP2 --- DP3 --- HDMI
x x x
When I boot my PC I get the BIOS screen on DP1 even though I have DP3 and HDMI pulled in.
Bummer. Just for clarification, you get DP1 as the display output during boot even with nothing plugged into DP1? (I'm looking at using a DP to HDMI adapter to route audio to my AVR, and use the HDMI out to a G-sync TV in the near future)
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aldur80
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Re: 3000 series display output port priority?
Wednesday, September 30, 2020 3:28 PM
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arestavo
Bummer. Just for clarification, you get DP1 as the display output during boot even with nothing plugged into DP1?
Looks like you caught me mid edit, I am a bit slow this morning, and reversed the connections. I've only ever booted with the DP plugged in. I'll disconnect some ports, reboot, and report back with what I find.
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arestavo
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Re: 3000 series display output port priority?
Thursday, October 01, 2020 3:22 PM
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aldur80
arestavo
Bummer. Just for clarification, you get DP1 as the display output during boot even with nothing plugged into DP1?
Looks like you caught me mid edit, I am a bit slow this morning, and reversed the connections.
I've only ever booted with the DP plugged in. I'll disconnect some ports, reboot, and report back with what I find.
If you've not been able to test, I'm going to find out for myself this Saturday (hopefully). I broke down and have a LG CX coming in, and I'll be running audio to my AVR via a DP to HDMI adapter and a 4K 120Hz signal over HDMI straight to the TV. Hopefully that promised firmware update for the CX that fixes G-sync will be available.
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AHowes
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Re: 3000 series display output port priority?
Thursday, October 01, 2020 3:43 PM
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Pretty nuts with the new updated hdmi out on these cards thet they didnt just do 2 and 2 of ea connection.
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EVGA_JacobF
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Re: 3000 series display output port priority?
Thursday, October 01, 2020 4:03 PM
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As below 
post edited by EVGA_JacobF - Friday, October 09, 2020 1:23 AM
Attached Image(s)
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HeavyHemi
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Re: 3000 series display output port priority?
Thursday, October 01, 2020 4:10 PM
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AHowes
Pretty nuts with the new updated hdmi out on these cards thet they didnt just do 2 and 2 of ea connection.
There is still a bias that HDMI = TV or secondary use and DP = monitor and primary display device. This is still primarily true. It may eventually change as the artificial distinction between a TV and 'PC Monitor' disappears.
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arestavo
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Re: 3000 series display output port priority?
Thursday, October 01, 2020 4:13 PM
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EVGA_JacobF
As below
Thanks Jacob! Looks like I'll have to disconnect the AVR if I want to get into the BIOS.
post edited by EVGA_JacobF - Friday, October 09, 2020 1:30 AM
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HeavyHemi
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Re: 3000 series display output port priority?
Thursday, October 01, 2020 4:27 PM
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arestavo
EVGA_JacobF
As below
Thanks Jacob! Looks like I'll have to disconnect the AVR if I want to get into the BIOS.
Something on the next agenda should be a method to set the init priority. It would be trivial. For a start it could a switch on the board, then firmware, then via OS.
post edited by EVGA_JacobF - Friday, October 09, 2020 1:30 AM
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EVGA_JacobF
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Re: 3000 series display output port priority?
Friday, October 09, 2020 1:23 AM
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Oops! Correction on the output priority and updated as above.
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Nereus
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Re: 3000 series display output port priority?
Friday, October 09, 2020 1:28 AM
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Thanks. I always assumed the port closest to the motherboard was 1st 'priority'.
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NexusSix
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Re: 3000 series display output port priority?
Friday, October 16, 2020 4:49 PM
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Well this is unfortunate. I was hoping I could actually use my monitor (HDMI) to get in to my bios without having to disconnect my VR headset. Guess that's not happening.
Why at least isn't the HDMI port #2 so that we could use another displayport to give HDMI priority?
Is this configured at the card bios level? Can we suggest a change?
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mikeomni
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Re: 3000 series display output port priority?
Friday, July 09, 2021 2:57 AM
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@EVGA_JacobF, sorry to resurrect this, can a priority change be requested for the EVGA BIOS? I am swapping 3000 series cards from a different make which remembers the HDMI as the BIOS display despite having a VR headset in DP. This other manufacturer has 2xHDMI,4DP where the 4k TV is on HDMI (#2) and VR Headset on DisplayPort (#4). After switching to EVGA the 4KTV is on #4 while VR headset is on #3. I understand following Nvidia reference design but if there is some way in firmware to flip the priority of HDMI with DP it would put EVGA ahead if not on par with other AIBs.
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