PCIe M Key

Viewing Capacity

1. Installing NVME Related Tools

   radxa@rock-3b:~$ sudo apt-get install nvme-cli

2. Viewing Capacity

   radxa@rock-3b:~$ sudo nvme list
   [sudo] password for radxa: Node SN Model Namespace Usage Format FW Rev
   -------------------------- ---------------- -------- /dev/nvme0n1
   50026B7684E3662B KINGSTON OM8PDP3256B-A01 1 256.06 GB / 256.06 GB 512 B + 0
   B EDFK0S03

Speed measurement

1. Installing the FIO Tool

   radxa@rock-3b:~$ sudo apt install fio

2. Reading test

   radxa@rock-3b:~$ sudo fio -rw=read -bs=1m -runtime=60 -iodepth 1
   -numjobs=8 -size=1G -filename /dev/nvme0n1 -ioengine libaio -direct=1
   -group_reporting -name seq_read

3. Writing test

   radxa@rock-3b:~$ sudo fio -rw=write -bs=1m -runtime=60 -iodepth 1
   -numjobs=8 -size=1G -filename /dev/nvme0n1 -ioengine libaio -direct=1
   -group_reporting -name seq_write

Booting the system from NVME

Please refer to the following documentation:

1. Boot the system from the SD card and flash NVME

2. Flash NVME by RKDevtool