PCIE

Usage Instructions

Check Capacity

1. Install NVME related tools

   radxa@radxa-cm3j-rpi-cm4-io:~$ sudo apt-get install nvme-cli

2. Check Capacity

   radxa@radxa-cm3j-rpi-cm4-io:~$ 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

Test Speed

1. Install fio tools

   radxa@radxa-cm3j-rpi-cm4-io:~$ sudo apt install fio

2. Read Test

   radxa@radxa-cm3j-rpi-cm4-io:~$ 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. Write Test

   radxa@:~$ 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

Boot the system from NVME

For the boot process, please refer to Boot from SSD