second design flaw to hit the GeForce GTX 1080 and GTX 1070

[Elixer]

http://www.techpowerup.com/223669/geforce-gtx-pascal-faces-high-dvi-pixel-clock-booting-problems

The second design flaw to hit the GeForce GTX 1080 and GTX 1070 after the fan revving bug, isn't confined to the reference "Founders Edition" cards, but affects all GTX 1080 and GTX 1070 cards. Users of monitors with dual-link DVI connectors are noticing problems in booting to Windows with pixel clocks set higher than 330 MHz. You can boot to windows at default pixel clocks, and when booted, set the refresh-rates (and conversely pixel clocks) higher than 330 MHz, and the display works fine, it's just that you can't boot with those settings, and will have to revert to default settings each time you shut down or restart your machine.

A user of a custom-design GTX 1070 notes that if the refresh rate of their 1440p monitor is set higher than 81 Hz (the highest refresh rate you can achieve with pixel clock staying under 330 MHz) and the resolution at 2560 x 1440, the machine doesn't correctly boot into Windows. The splash screen is replaced with flash color screens, and nothing beyond. The system BIOS screen appears correctly (because it runs at low resolutions). The problem is also said to be observed on a custom-design GTX 1080, and has been replicated by other users on the GeForce Forums.

Has anyone run into this with those higher end monitors?
Not sure why people are using DVI instead of DP?

*edit, grr, wrong subforum.

 

[n0x1ous]

Not sure why people are using DVI instead of DP?

Cheap Korean IPS overclockable monitors are DVI only

 

[Elixer]

Seems the issue is with those cheaper Korean monitors that only come with DVI inputs.
I don't see a easy fix for these people besides getting a different card.

 

[thilanliyan]

What's wrong with using DVI instead of DP?

 

[Elixer]

Nobody said that was wrong--unless you own a 1070/80 card, and a monitor that has a higher refresh rate as per article.

 

[bystander36]

Many of the older 120hz and 144hz monitors do not have DP ports and must use Dual Link DVI-D.

 

[Raising]

Buying a 1070/1080 and then a cheapo monitor without g sync makes sense..

 

[bystander36]

Buying a 1070/1080 and then a cheapo monitor without g sync makes sense..

There are plenty of people with older, but good monitors for their day at least. 120hz monitors have been around longer than DP has been popular.

 

[sirmo]

My monitor is dual link DVI only and it wasn't a cheap Korean monitor, it was $1500, and this aspect ratio is hard to find. So I am keeping it for awhile. (HP LP3065)

 

[bystander36]

I'm betting this is something they can fix with a driver.

 

[Yakk]

Whoa, that's a biggie...

This sounds strictly like a hardware issue, but maybe nvidia can do a software workaround. If they can, curious to see what penalty it would cause.

 

[Bacon1]

My monitor is dual link DVI only and it wasn't a cheap Korean monitor, it was $1500, and this aspect ratio is hard to find. So I am keeping it for awhile. (HP LP3065)

I have one of those, good monitor! 2x 20" 2007WPs next to it

 

[bystander36]

Whoa, that's a biggie...

This sounds strictly like a hardware issue, but maybe nvidia can do a software workaround. If they can, curious to see what penalty it would cause.

It is only a problem at boot, which makes me think it's a software issue, or at least one that can easily be fixed with software. Once Windows boots up, you can change the clocks to what ever you want without issue.

 

[Det0x]

Buying a 1070/1080 and then a cheapo monitor without g sync makes sense..

Yeah blame the user instead of where the fault lays.. Nvidia :thumbsup:

 

[Elixer]

It is only a problem at boot, which makes me think it's a software issue, or at least one that can easily be fixed with software. Once Windows boots up, you can change the clocks to what ever you want without issue.

What software is running at boot? Just the BIOS/UEFI. This is a hardware flaw.

 

[Mopetar]

Yeah blame the user instead of where the fault lays.. Nvidia :thumbsup:

Compared to past Nvidia issues, this barely registers on the radar. I don't know the technical details, but it seems like something that could be fixable through software. Until then it's a minor annoyance for those who are affected, but there's already a workaround.

 

[ComputerGuy2006]

What's wrong with using DVI instead of DP?

As others have said, sometimes the monitor only has dvi... Other times you might have your display ports being used by other monitors (my benq needs the display port to operate correctly at 144hz due to a bug).

And of course windows likes annoy its users with 'auto disconnecting' your monitors when you turn them off/on, so sometimes using another port will resolve this issue (for example my dell does this with displayport, but wont have this issue with dvi).

 

[Hail The Brain Slug]

What software is running at boot? Just the BIOS/UEFI. This is a hardware flaw.

They didn't say the bios/post/pre-Windows loading had issues, only booting into Windows. I can see it potentially being an issue with the generic VGA driver Windows uses to boot with before the nvidia driver is loaded.

 

[bystander36]

What software is running at boot? Just the BIOS/UEFI. This is a hardware flaw.

Quoted from the article:

A user of a custom-design GTX 1070 notes that if the refresh rate of their 1440p monitor is set higher than 81 Hz (the highest refresh rate you can achieve with pixel clock staying under 330 MHz) and the resolution at 2560 x 1440, the machine doesn't correctly boot into Windows. The splash screen is replaced with flash color screens, and nothing beyond. The system BIOS screen appears correctly (because it runs at low resolutions). The problem is also said to be observed on a custom-design GTX 1080, and has been replicated by other users on the GeForce Forums.

Since the problem is only booting into Windows, and is fine once inside Windows if you set it to the proper hz once inside Windows, it can certainly be fixed with software, be it drivers or a Windows patch.

The problem could be somewhat hardware related, but the hardware is capable of using the higher refresh rates, just not during boot. There is no question a work around, or driver fix can be done to correct the issue.

 

[yh125d]

There are plenty of people with older, but good monitors for their day at least. 120hz monitors have been around longer than DP has been popular.

I still use a 3007WFP from 2010 that's DVI only. Luckily I use default refresh rates so I shouldn't have any issue (assuming I can ever find a 1080 model I want in stock)

 

[CurrentlyPissed]

Wow my benq 144hz is an official esports monitor and doesnt have DP. This may make me wait on the 1080 purchase I was planning on

Sent from my SM-N920P using Tapatalk

 

[Stuka87]

Quoted from the article:


Since the problem is only booting into Windows, and is fine once inside Windows if you set it to the proper hz once inside Windows, it can certainly be fixed with software, be it drivers or a Windows patch.

The problem could be somewhat hardware related, but the hardware is capable of using the higher refresh rates, just not during boot. There is no question a work around, or driver fix can be done to correct the issue.

How can you say "it for sure can be fixed with software" when you have no first hand knowledge of how any of this works at boot?

Sure you can hope a driver will fix it, but there is no way "you know for sure" it can be.

 

[Silverforce11]

Buying a 1070/1080 and then a cheapo monitor without g sync makes sense..

So you're saying if you buy a 1070 or 1080 you have to also throw out your perfectly good monitor and grab a new expensive gsync one? -_-

The level of .... is high here. Instead of saying the problem should be fixed via drivers or bios or whatever, you blame the user.

 

[bystander36]

How can you say "it for sure can be fixed with software" when you have no first hand knowledge of how any of this works at boot?

Sure you can hope a driver will fix it, but there is no way "you know for sure" it can be.

The problem only happens when overclocked while booting. A simple solution is to force it to stock settings until after the boot process. How difficult is that?

 

[JDG1980]

I'm guessing this will be a BIOS-level fix.

Some hardcore gamers prefer DP-only Korean monitors with high refresh rates because they provide low latency (due to the fact that they have no video processing capabilities, even an OSD). There will definitely be at least a few GTX 1080 buyers for whom this will be a problem.