Aurora R12, 3080, Samsung Odyssey G9, won't post at 240Hz

@OzzyNYC77 

 odyssey g9 monitor

b2bmonitors

Dual displayport inputs are not there for show. Its for specific bandwidth/resolution. This is not a dell support issue.

Dual Displayport  1.4

240 Hz requiring TWO display port cables.

This is a VESA standard not Dell or Samsung or any other vendor.

DUAL Display port REQUIRED

@speedstep 

I appreciate the desire to help, but let's stop spreading the false rumers about Samsung based on Dell implementation. Nowhere does it say it needs 2 cables to post data when booting. You don't seem to understand that it works perfectly well with one cable once it actually posts! There's nothing wrong with a single connection here. So you think dell l3 and Samsung l3 engineers are wrong here :)?

@OzzyNYC77 

" stop spreading the false rumers about Samsung based on Dell implementation. "

I @speedstep disagree entirely and can validate that these are not false rumors and have nothing to do with Dell.  This is a VESA standard based on DUAL Display port 1.4 cables and Dual Display port Nvidia cards when 240Hz bandwidth is needed at various resolutions.

Dual Display ports on a monitor are not there for show they exist for a reason.

Samsung will tell you the same thing because they design 2k 4k  5k 3k monitors to the same VESA standard. VESA is released an updated DisplayPort Dual Mode Cable Adaptor Compliance Test Specification.

VESA not Dell standardYour monitor has 2 DP inputsREQUIRED FOR 240hz bandwidth

@speedstep 

Please entertain me with your theory then why would the monitor work perfectly fine with just one cable after it posted, at 240hz, 10bit color, hdr on, gsync and adaptive sync on? And everything works absolutely perfectly? Sorry, I'm an engineer and want to understand your thought process why would I ask Samsung to rewrite the firmware that would utilize 2 DP ports at the same time. Thanks!

Please look at the tables in the DP Wiki: DP 1.4a 

The OEM version of the RTX 3080 used in the Alienware machines has DP 1.4a.

If you look at the tables, it supports a maximum of HBR3 transmission mode.

If you then look at the refresh limit table for HBR3, you will see it supports 240 Hz at resolutions up to 1440p (2560 × 1440) for standard video, uncompressed.

The third table shows the limit for HDR mode. 1440p (2560 × 1440) HDR only supports up to 200 Hz refresh rate, uncompressed.

Once you use compression (DSC) you can go higher:

DSC 1.2 (DP 1.4)
DSC 1.2a (DP 1.4a)

As explained earlier, there is currently a bug with the firmware for the RTX 3080, where DSC does not work properly during boot times. It does seem to work properly once windows drivers and windows itself have been loaded.

@OzzyNYC77 

I @speedstep  will not be explaining VESA or any other engineering standard. There is no support here for Samsung monitors.

Dual Displayport  1.4

240 Hz requiring TWO display port cables.

Drivers for both the monitor as well as the nvidia card and specific cabling due to bandwidth contstraints are clear and known standards. Samsung does not need to re write firmware.  Dual Display port cables is there as part of the VESA standard to increase bandwidth and compatability backwards to Display port 1.0 standards.  Communication at the higher trained speeds does not happen until after windows loads the drivers for the monitor and gpu and display.  Thats also why the usb3 connection to the monitor is not optional because it communicates with the driver as well as adds a port for future monitor firmware updates.

This has nothing to do with Dell or Dell support.

IEEE_Display port standard

Bandwidth

•1 lane = 270Mbytes per sec

•2 lanes = 540Mbytes per sec

•4 lanes = 1080Mbytes per sec

@Vanadiel ,

You are beautiful, Brat Pitt :).

Have this same problem with my R11 on the new Samsung Odyssey Neo G9. Dell tech when I looked into it confirmed today we have to wait for the next VBIOS update for sure to fix this.

Definitely has nothing to do with needing another cable when it worked fine on VBIOS 1.0.0.1. Dell is aware this is a current VBIOS bug.

For now, on the monitor I just use the three game profile buttons to the left of the menu jog button to save quick hot-swap profiles with one for 120Hz and another for 240Hz. Before rebooting I just quickly swap it to 120Hz, then once I'm back in Windows swap it back. Or put the PC to sleep and it wakes up fine.

Someone on the R11 reported this back in June too.
https://www.dell.com/community/Alienware-Desktops/Aurora-R11-RTX-3080-VBIOS-1-0-0-2-no-DSC-DP-1-4/td-p/7910739

They were able to fix it by rolling the VBIOS firmware back like previously mentioned, but I'd rather deal with it to get the resizable bar performance and wait for the fix than rollback firmware.

Dell support stated their release date for vBIOS is end of September. Getting anxious since every reboot of the PC results in bending over to unplug the cable unless caught in time and set the monitor to 120Hz. Of course sleep mode works well, except when you have to patch PC and reboot it. Argh...

The G9 is also not a Dual DisplayPort monitor, It's a DQHD display because there is 2 panels inside but they are not independently controlled. There is 2 ports on the back because you have multiple input selections that's it

I love the misinformation on DP at 240hz on the G9, but with that yes it's because of the DSC bug on the Dell 3080s. I have the G9 with a 6800XT working just fine with one cable 

@OzzyNYC77 - Same. I've been having separate issues with my R11 and then once they panned out only this VBIOS bug remained.

Due to those previous issues and multiple attempts to fix through tech support that didn't resolve problems ...resulted in me having to write a letter last month to Dell corp. A contact then from their exec escalations team reached out and offered to replace my PC with equal parts and GPU since the R11 is no longer sold, but there is no sense switching over to an R12 with a 3080 if the same VBIOS problem exists in that model as well. I'd like to see this issue fixed first before I can rule out the nuclear option of replacing an entire PC.

Last Monday I replied to the exec escalation team if they can get a status on this VBIOS bug fix (1.0.0.3) for the 3080 and did not receive a reply. I will ping them again today to try getting an update about this.

@ DELL, 

It's October 1st and vram bios is still not published....Very upsetting on undelivered commitment.  

Is there a reason you need to see the post screen, in most cases The display will kick on sometime after windows has booted since DSC isn't working for post

@TerrBear thanks for the update, please keep us posted if they do respond with a realistic date.