Installation
------------------
Unpack the IMAGE file and copy the image an SD card: (assuming SD card at /dev/mmcblk0):
  # zstd -d slarm64-current-*-core-*-build-*.img.zst
  # dd if=slarm64-current-*-core-*-build-*.img of=/dev/mmcblk0 bs=1M
or unpack directly to the card
  # zstdcat slarm64-current-*-core-*-build-*.img.zst > /dev/mmcblk0
Instalation eMMC/NAND/USB-HDD
------------------
to transfer a system with the SD to eMMC, you need to boot from the start and run the script:
  # transfer-to-disk
Default Login
------------------
login: root
password: password
Note
------------------
debug Rock Pi S v11 and higher speed(baudrate) 115200
    26-pin Header 1
uart0
        ROCK Pi S       <--->       USB to TTL cable
        RX(pin 10)      <--->       TXD
        TX(pin 8)       <--->       RXD
        GND(pin 6)      <--->       GND
example: screen /dev/ttyUSB0 1500000,cs8
new uart2
        RX(pin 21)	<--->       TXD
        TX(pin 19)	<--->       RXD
        GND(pin 20)	<--->       GND
example: screen /dev/ttyUSB0 115200,cs8