login: root
password: password

legacy kernel version 4.9.249
mainline kernel version 5.10.2

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-*-base-rootfs-*-build-*.img of=/dev/mmcblk0 bs=1M
or
zstdcat slarm64-current-*-base-rootfs-*-build-*.img.zst > /dev/mmcblk0

installation on a eMMC
    Flash the image to micro SD, power up the board with micro SD and login
    Copy the image file to micro SD by using SFTP. The image file must be in .img. note : root user are not allow transfer file to micro SD.
    After finish copy the file, power off the board and add eMMC module to the board
    Bootup the board, run below command for flashing to eMMC module
        >>dd if=slarm64-current-*-base-rootfs-*-build-*.img of=/dev/mmcblk0 bs=10M
            example : dd if=slarm64-current-*-xfce-rootfs-*-build-*.img of=/dev/mmcblk0 bs=10M
        then edit 2 files in eMMC module:
        >> mount /dev/mmcblk0p1 /media
        >> echo "rootdev=/dev/mmcblk0p1" >> /media/boot/uEnv.txt
        >> sed -i 's:mmcblk1p1:mmcblk0p1:' /media/etc/fstab
    After done, power off board and remove micro SD. Then bootup with only eMMC module.

2 version of the 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,2160p,4320p)

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

smplayer
add "--config=yes --profile=rkmpp" to preferences->advanced->mplayer/mpv->options then mpv will use its config files.