Dear all,
If you have any issues towards the recent 90hz firmware, please leave your comment here!
Regards,
Your Pimax Team.
9 Likes
Any feedback is welcome ， 
All of your feedbacks will be reviewed by the technical team
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yahooooooo working on 90hz on 2080TI with the latest ver of nvidia driver windows 11 
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Hello,
Did you find any weird situation with this version?
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Hi, Yes at last it works!
90Hz is great! I waited a long time for this to work.
Steam VR looks incredible 
Everything looks so clear,it’s like a new headset 
NVIDIA GEFORCE RTX, 3090 founders edition!
DRIVER VERSION, 471.41
INTEL CORE I9-10900X CPU
128 GB RAM
6m optic
9 Likes
Doesn’t work on 1080ti. After the firmware, 8KX simply does not turn on, it is not detected in PiTool.
The firmware number in DFU does not change after flashing.
Sadly it didnt work for me, previous january nvidia driver + experimental fw worked well in 90Hz.
Tracking is working, detects headset but black screen in headset.
Clean reinstall of latest driver, re-bar is enabled.
Asus TUF Gaming OC RTX 3090, re-bar bios.
3 1080p screens via evga dp-splitter + 8KX.
Will try a full DDU cleanup now, or it is back to reflashing old firmware + driver and pray it will work.
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twice black background for a short time
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that was known. 30xx and some 20xx RTX only
Will try the TRex later… hope it will works
@PimaxQuorra only wrote about 90Hz on 30 ** series and 2080ti, and the latest AMD GPUs.
But it is not written that this firmware is released only for the latest GPUs (30xx, 2080ti and latest AMD).
By the way, I have v2.1.255.298 installed and working fine.
That is, this release has some other differences and was released only for the latest GPUs?
Someone please clarify this moment.
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3090 FTW3 Ultra
Did not take on 466.55 nor 471.41 driver.
Constant red light on HMD with no display when selecting 90hz.
Next move will be DDU/471.41 reinstall.
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I had this one before: P2_RELEASE_8KX_M298_t20210706102848_r97afdca_laptop_exclude
And that worked fine.
Flashed to this new one Engineer Test. It also works fine! 
It seems there is light at the end of the tunnel. Hope you can help the ones with trouble.
3 Likes
DDU clean, black screen
Removed all other monitors black screen
Tried all 3 DP connections, black screen
Back to old non-rebar driver and see if this fw works there or if I have to reflash…
How are the power cables from the PSU to your GPU connected?
One daisy-chain cable, or multiple single-cables to each 8-pin?
I had a daisy-chain cable (2x 8pin on one cable) at first, but the card got way too hot (like boiling) while I was testing 90hz, and pimax 8kx blacked out multiple times. I thought it could be related to amps or something. So I changed to single cables. I actually got 500 more 3dmark points after I did that, so it may be important to keep in mind. But I am no expert.
Mind you, doing this did NOT fix the black screen issue for me. Only the latest two FW did.
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Hello,
Sorry that we didn’t mentioned clearly in the statement.
It only works with latest GPUs (Nvidia 30series and 2080TI, and latest AMD)
Users are reported it works with 6800 and 6900.
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Worked good for me. nvidia 3090, intel 9920x 64 gb ram. 471.41 driver.
Ok, it seems like it’s time to upgrade the graphics card
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Works perfect with a 6800XT and PiTool 271
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Updated and now getting 
Tried moving Dp, various orders of disconnecting, reconnecting, restarting service, restarting pc… downgraded fw and 10600 error, tried a few things, updated fw again back to 10934 error… so now done a ticket 
Win10 21H1 / 8700k / strix 3090 oc with 471.4
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Graphics Card: NVIDIA TITAN RTX
Driver Version: 471.41
PiTool Version: 271
90Hz flashes to black sporadically.
75Hz works fine as with previous versions.
3 Likes