login: root
password: password

legacy kernel
    image update to the current version of the rootfs 2020.05.13
    kernel version 4.4.223

installation on a sdcard
    Unpack the IMAGE file and record by running the following on the SD card
( /dev/mmcblk0 = your sd card device ):

dd if=slarm64-current-*-miniroot_*-build-*.img of=/dev/mmcblk0 bs=1M
or
zstdcat slarm64-current-*-miniroot_*-build-*.img.zst > /dev/mmcblk0

installation on a eMMC
    download all files
    download rkdeveloptool
    place the board in Loader Mode.
    it can be done level the command in loaded system firefly:

    dd=/dev/zero of=/dev/mmcblk1 bs=32767 count=1

restart the board, it automatically goes into MaskRom execute:

    sudo ./rkdeveloptool db rk3399_loader_v1.08.106.bin
    sudo ./rkdeveloptool wl 0x40 idbloader.img
    sudo ./rkdeveloptool wl 0x4000 uboot.img
    sudo ./rkdeveloptool wl 0x6000 trust.img

to transfer a system with the SD to eMMC, you need to boot from the start and run the script:
    setup
or
    setup.sh



Multimedia
----------

The video is played by the MPV player, which is configured with the default 
profile x11 (for playing divx/xvid)
and the profile rkmpp (for playing h264/h265/VP9 720p,1080p)

example: mpv --profile=rkmpp videofile.{mkv,mp4}