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Radxa M.2 E Key to SATA Board Tutorial

ROCK 5B has an M.2 E-Key, supports PCIe 2.1 1-lanes, SATA, SDIO, UART.

It can use breakout board to make M.2 E-key into SATA.

Prepare​

  • ROCK 5B
  • M.2 E key to SATA breakout board
  • SATA cable

M.2-SATA-01 M.2-SATA-02

Hardware Connection​

SATA power cable, yellow is 12V, red is 5V, black is GND.

  1. If you use SSD. Need to use 5V power from 40pin. as the picture shows:

M.2-SATA-03

  1. If you use a hard drive. Requires 12V and 5V power supplies. In the picture, the digital power supply is used to supply 12V, and the 5V power supply in 40pin is used. M.2-SATA-04

Software Configuration​

  • Add the following command in /boot/config.txt
dtoverlay=rock-5b-sata
  • Switch root to execute commands
sudo su
update_exlinux.sh
reboot
  • After restarting the device, use lsblk to view your hard disk device.
rock@rock-5b:~$ lsblk
NAME         MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda            8:48   0 149.1G  0 disk
mmcblk1      179:0    0  14.6G  0 disk
├─mmcblk1p1  179:1    0   512M  0 part
└─mmcblk1p2  179:2    0  14.1G  0 part /
mmcblk1boot0 179:32   0     4M  1 disk
mmcblk1boot1 179:64   0     4M  1 disk
  • You can test read and write speeds with the dd or fio commands, but only if you protect your data.