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Samsung F27T702QQI (2560x1440) Main Menu Glitches

Posted: Tue Feb 28, 2023 7:06 am
by yarodin

At the main menu and 2560x1440 only I have strange glitches at upper right corner of Samsung F27T702QQI monitor. Is it a normal behaviour?


Re: Samsung F27T702QQI (2560x1440) Main Menu Glitches

Posted: Wed Mar 01, 2023 9:41 am
by yarodin

Same glitches on 1920x1080@60 too, but less (barely visible) and it position is lower on the screen but range is widely. Any ideas?


Re: Samsung F27T702QQI (2560x1440) Main Menu Glitches

Posted: Wed Mar 01, 2023 10:31 am
by FPGA64

2560x1440 is beyond the resolution that the HDMI chip on the Mister is rated for. You may or may not get lucky and have it work


Re: Samsung F27T702QQI (2560x1440) Main Menu Glitches

Posted: Thu Mar 02, 2023 3:36 pm
by FoxbatStargazer

I've had weird sync issues on my C1 in the menu core using video_mode=8. If I spell it out though (video_mode=1920,1080,60) then they go away. You might try that. (Although I don't think that works for 2560x1440. Best you can do is video_mode=1920,1440,60.)


Re: Samsung F27T702QQI (2560x1440) Main Menu Glitches

Posted: Fri Mar 03, 2023 5:15 pm
by yarodin

Setting resolution to 1920x1080@50 eliminated this glitches completely in my case. Thanks to all for advices.


Re: Samsung F27T702QQI (2560x1440) Main Menu Glitches

Posted: Fri Mar 03, 2023 5:44 pm
by FPGA64

Its all a silicon lottery. You may get the chip knocked out on a friday afternoon after lunch time drinks the fab machine went to, or get the one where it was bright eyed and bushy tailed.

Sadly you never know till you have the chip, which is why the over clocking brigade on PC have to check many chips to find the "One" chip that can go the fastest