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  1. Hello, when armbian official support also for this Hardkernel board?
  2. Hello, here the result: sudo cat /sys/kernel/debug/mmc0/ios [sudo] password for rock64: clock: 0 Hz vdd: 0 (invalid) bus mode: 2 (push-pull) chip select: 0 (don't care) power mode: 0 (off) bus width: 0 (1 bits) timing spec: 0 (legacy) signal voltage: 0 (1.80 V) driver type: 0 (driver type B) sudo stress-ng --cpu 4 --cpu-method matrixprod --metrics-brief --perf -t 600 stress-ng: info: [13868] dispatching hogs: 4 cpu stress-ng: info: [13868] cache allocate: using built-in defaults as unable to det
  3. Hello, here my tests; - sudo cat /sys/kernel/debug/mmc0/clock > 0 - sudo cat /sys/class/devfreq/dmc/cur_freq > No such file or directory - sudo cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_max_freq > 1390000 1390000 1390000 1390000 sudo stress-ng --cpu 4 --cpu-method matrixprod --metrics-brief --perf -t 600 > stress-ng: command not found Maybe you explain me how to perform the tests you need. I did this one. sudo sysbench --test=cpu --cpu-max-prime=20000 --num-threads=4 run WARNING: the --test o
  4. Hello, I've the Rock64 4G v2.0 - 2017-0713. I tried to install different OS but I get similar errors and problems as yours. The SBC stuck after a while or lost the connection after high I/O traffic with my SSD on the USB3. If It can help you, I describe here how I could installed a clean Armbian on my rock64: - Download u-boot-flash-spi-rock64.img.xz from here and use Etcher to write to a new micro SD card; I used SanDisk Ultra 16GB microSDHC, Class 10. - Download OS image “Armbian 5.69 Ubuntu Bionic default, Kernel 4.4.167” from the archive here and use Etcher to write to the