balbes150

No port for LAN -> will not work properly. WiFi is shit that will never work properly. If you add a USB module for a wired network, the price of this solution will be clearly higher than models with a built-in wired network port. The s905 uses USB 2.0, so the speed will be low. Perhaps this model uses not s905W, but s905y shit, so this is a low price. IMHO I would not recommend spending money on this stuff, for working with Armbian this is a bad option. By the way, it is still unknown which WiFi chip is used there, it may not work at all on Linux.

Which branch do you use to build an Armbian image ?

Try running in combined mode (burn an image to two SD+USB media at once, configure it, and connect them simultaneously). Most likely, your DTB doesn't have support for the SD card.

If after adding u-boot does not start, add UART and see what happens.

I also do not like to talk about money, especially through a computer translator, information can be misunderstood .... It's a hobby and a bit of a job ...

Tnx. I will check this, although the first explanation looks like the real situation.

You don't need to configure compatibility, just take a working u-boot from the SD card and add it to the SD card with Armbian (while saving the partition table on The armbian Sd card). You may need to add the correct variables to u-boot to run Armbian.

Update to version 19.11.5 (20200120) kernel 5.5.0-rc6. Important change. the way DTB is configured has changed. The universal multiload for the AML platform has changed. Now a single configuration method is used for all platforms, using the file (uEnv.txt). You need to edit this file to configure it. You need to uncomment the two lines that are responsible for your platform and specify the correct DTB for your model. If you use this image to run on the one platform, you can delete it from the settings file (uEnv.txt) strings from other platforms. Pay attention. The installation algorithm in eMMC has changed. My recommend that you perform a clean installation in eMMC. Be sure to make a full backup of eMMC before installing it in eMMC. Important. On models S905\S905X and partially on S912, there may be problems with starting the desktop, management is possible only via SSH or UART. For the aw H6 platform, all scripts are already in the image (which have the ending aw). You need to rename the files with the replacement (remove the .aw ending).

@jernej Do you know why on H6, u-boot-2019 defines the SD card as mmc 0 and eMMC is defined as mmc 1 (on other RK and AML platforms, it's the opposite of SD-1 and eMMC 0) ?

I uploaded the corrected versions of allwinner scripts to the site. The first version was an error (the site got scripts from Libreelec).

In theory, this option is possible, but I have not yet thought about its specific implementation. I don't know if this option is possible or not. This needs to be discussed with Igor and other Armbian developers, and I'm not sure that this needs to be done publicly.

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Yes

You should only use the DTB that are included in the image you are using. If you need to change something in them, you need to use the DTB from the image as the basis.

If you are a moderator, you need to be ready to "put in place" those who do not recognize the rules and do not react to their negativity. The moderator's position is initially conflicted, you need to be prepared to reasonably ignore the negative from those who are not happy.

Wow this is what my need .... I disabled all signatures for myself.

Do you need to disable signatures individually for each user, or can my disable them all at once (in the user profile settings) ?

Request to new moderators, do not abuse the content and size of the signature. Limit it to a single line or use hidden text. If the signature is large, it strongly distracts from the General text of the message itself and does not look beautiful when the message itself is not large and then there is a lot of monotonous information that is not related to the topic of discussion.

Delete everything you don't need from the partition.

I took an image from NanoPC T4 (can take any for rk3399), recorded it on USB, configured DTB for RockPi-4b and voila, the system normally starts and works. That is, can have one universal image and run it on any model (do not have to build and place many different images on the site, which differ only in u-boot). If desired, can easily add the desired u-boot for a specific model and use the launch from SD\eMMC.

Details of launching different systems from USB to RockPi 4B. now you can easily launch and test official versions of LE or any other systems. https://forum.radxa.com/t/armbian-on-sd-emmc-any-system-with-usb-media/2572

I suggest adding a small patch for all u-boot for rk33xx. It allows to enable direct booting from USB media and significantly facilitates the use of RK33xx models for users. Allows you to easily launch any system from USB without the need for complex settings and manipulations with existing (main) systems on devices on SD or eMMC. The entire path fits in two lines. https://github.com/150balbes/Build-Armbian/blob/master/patch/u-boot/u-boot-arm-64/u-boot-0010-rk-usb-start.patch#L18

This is a working u-boot. With it, you need to check the rest of the DTBS. To do this, you need to change the settings of the used dtb in the uEnv file one by one.txt. You can see the list of available DTBS in the /dtb/allwinner directory (try all files with h6 in the name in turn)

To activate the multiload on Wetek , you need to use additional steps, they are indicated at the beginning of this topic and in the topic about LE. I remind you that multi-boot activation is only possible from the SD card, and subsequent work is already possible from any SD or USB media. It is important to distinguish between images with the old DTB configuration system and the new one, since they have different configuration principles. https://forum.libreelec.tv/thread/1506-s812-miii-plus-2gb-16gb-emmc/

By default, the image contains u-boot for rk3399. Did you replace u-boot with your version after writing the image to the SD card ? Images that already include u-boot for H6 (Tanix TX6) can be found here https://yadi.sk/d/GJbDt3-FjQ-dQA