NanoPi R2S Kernel 5.7.0-rc3 1.5 GHz - Ubuntu Focal 20.04 LTS

NanoPi R2S 1.5GHz

Boost NanoPi R2S Kernel 5.7.0-rc3 speed to 1.5 GHz

openssl speed sha256 aes-128-cbc rsa2048

type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 bytes  16384 bytes
aes-128 cbc      54923.62k    59475.82k    61217.88k    61586.09k    61982.48k    61751.30k
sha256           48731.15k   149795.18k   359197.87k   550039.03k   651436.03k   659761.83k
                  sign    verify    sign/s verify/s
rsa 2048 bits 0.007223s 0.000193s    138.4   5194.4

Install

type in the shell:

cd /boot
sudo wget https://github.com/avafinger/nanopi-r2s-ubuntu-server-minimal-image/releases/download/v0.7s/nanopi-r2s.dtb_5.7.0-rc3_1.5GHz
sudo ln -sf nanopi-r2s.dtb_5.7.0-rc3_1.5GHz dtb

check if everything is OK before reboot:

ls -la
lrwxrwxrwx   1 root root       31 mai 29 10:54 dtb -> nanopi-r2s.dtb_5.7.0-rc3_1.5GHz
lrwxrwxrwx   1 root root       15 mai  1 18:29 Image -> Image_5.7.0-rc3*
-rwxr-xr-x   1 root root 21510656 mai  1 17:26 Image_5.7.0-rc3*
-rw-rw-r--   1 alex alex  1105188 set 24  2017 initrd.img
drwx------   2 root root    16384 set 24  2017 lost+found/
-rw-r--r--   1 root root    49810 mai  1 17:26 nanopi-r2s.dtb_5.7.0-rc3
-rw-r--r--   1 root root    49654 mai 29 10:54 nanopi-r2s.dtb_5.7.0-rc3_1.5GHz

then reboot with:

sync && sudo reboot