How can I use 2560x1080 on Pi3 B+

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griffin
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Joined: Mon Apr 08, 2019 9:39 pm

How can I use 2560x1080 on Pi3 B+

Post by griffin » Mon Apr 08, 2019 10:56 pm

I'm reviewing WTWare to use in a corporate environment, strictly net booting. We have started issuing ultrawide monitors to staff members who would have used 2 monitors in the past, as such I need to be able to show WTWare working and supporting ultrawide resolutions.

I have tried manual resolution of 2560x1080 in the configuration file but so far all I get is stretched 1920x1080.

Researching the issue of this resolution for the Pi3, it seems it can be used with the following parameters...

Code: Select all

hdmi_drive=2
hdmi_ignore_edid=0xa5000080
hdmi_group=2
hdmi_mode=87
hdmi_aspect_21_9=7
hdmi_pixel_freq_limit=400000000
hdmi_cvt=2560 1080 50 7 0 0 1
#config_hdmi_boost=4
max_framebuffer_width=2560
max_framebuffer_height=1080
framebuffer_width=2560
framebuffer_height=1080
how would I configure my PXE boot terminals to support this resolution.

akatik
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Re: How can I use 2560x1080 on Pi3 B+

Post by akatik » Tue Apr 09, 2019 7:48 am

Video settings are to be specified not in Wtware configuration file, but in Raspberry config.txt file. But as said on manufacturer's site: "The highest supported mode is 1920x1200 at 60Hz with reduced blanking." https://www.raspberrypi.org/documentati ... t/video.md
hdmi_mode=87 is not specified in their manual. You may try your configuration, but I can't predict the result. In any case even if it will work - on Rasbperry such image will draw very slow.

griffin
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Joined: Mon Apr 08, 2019 9:39 pm

Re: How can I use 2560x1080 on Pi3 B+

Post by griffin » Tue Apr 09, 2019 6:52 pm

akatik wrote:
Tue Apr 09, 2019 7:48 am
Video settings are to be specified not in Wtware configuration file, but in Raspberry config.txt file. But as said on manufacturer's site: "The highest supported mode is 1920x1200 at 60Hz with reduced blanking." https://www.raspberrypi.org/documentati ... t/video.md
hdmi_mode=87 is not specified in their manual. You may try your configuration, but I can't predict the result. In any case even if it will work - on Rasbperry such image will draw very slow.
Thanks for the reply. I did notice that in VTWare Center, the resolution options on my Pi 3B+, go all the way up to 3440x1440, so I assumed that maybe the 2560x1080 resolution had maybe just been accidentally left out of the resolutions list.

aka
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Re: How can I use 2560x1080 on Pi3 B+

Post by aka » Tue Apr 09, 2019 9:30 pm


griffin
Posts: 4
Joined: Mon Apr 08, 2019 9:39 pm

Re: How can I use 2560x1080 on Pi3 B+

Post by griffin » Wed Apr 10, 2019 7:54 pm

Thanks, adding this to config enabled the mode I needed, no problem with 60hz

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