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eleclab-rpi / 7INCH4_HDMI_1280x400

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RPi4 on Bookworm not working #3

Open darkcrash21 opened 1 month ago

darkcrash21 commented 1 month ago

How do you get this to work on the latest Bookworm? The config.txt doesn't seem to work. Thanks.

eleclab-rpi commented 1 month ago

HI, please refer to: https://github.com/eleclab-rpi/Display_Firmw! are Guide: ElecLab Display Firmware Update Guide.pdf Firmware: HDMI_0736_1280x400_RPI5_Bookworm.hex

Bookworm does not need to configure config.txt and cmdline.txt, because it will automatically detect HDMI EDID and then output HDMI signals with specified timing. Best wishes!

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From: darkcrash21 Date: 2024-06-02 13:27 To: eleclab-rpi/7INCH4_HDMI_1280x400 CC: Subscribed Subject: [eleclab-rpi/7INCH4_HDMI_1280x400] RPi4 on Bookworm not working (Issue #3) How do you get this to work on the latest Bookworm? The config.txt doesn't seem to work. Thanks. — Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you are subscribed to this thread.Message ID: @.***>

darkcrash21 commented 1 month ago

Actually just figured it out for Raspberry Pi 4. Thanks

sudo nano /boot/firmware/cmdline.txt Add video=HDMI-A-1:1280x400M@60D

eleclab-rpi commented 1 month ago

Mark it, great, you could use dmesg to check the hdmi edid information.

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From: darkcrash21 Date: 2024-06-02 14:52 To: eleclab-rpi/7INCH4_HDMI_1280x400 CC: ElecLab; Comment Subject: Re: [eleclab-rpi/7INCH4_HDMI_1280x400] RPi4 on Bookworm not working (Issue #3) Actually just figured it out for Raspberry Pi 4. Thanks sudo nano /boot/firmware/cmdline.txt Add @. — Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you commented.Message ID: @.>