PCIe TO M.2 (A)
- 1 Overview
- 2 Features
- 3 Mount the SSD to CM4
PCIe TO M.2 (A) is an adapter board for PCI-E to M.2, It is used for connecting SSD, supports Raspberry Pi Compute Module 3.
- Adapter For NVMe Protocol M.2 SSD, Faster Reading/Writing, Improving Efficiency
- Supports Base Boards With PCI-E×1 / ×4 / ×8 / ×16 Socket
- Supports Raspberry Pi Compute Module 4
- Compatible With Different Sizes Of M.2 SSD
- Onboard Operating Indicator, The LED Lights Up When Power-On And Keeps Blinking While Reading/Writing
Mount the SSD to CM4
Format the SSD
- Insert the SSD to the PCI-E to M.2 adapter and fixe it with screws.
- Connect the SSD to another PC to format first. For example, we connect it to Windows PC because most of the windows PC has M.2 or PCI-E interface. Please shut down your PC before you connect the SSD and then reboot. Format the SSD after reading it.
Note: Do not use quick format mode.
Turn off the CM4, connect the adapter to CM4 and turn on.
- Check if the disk is detected
sudo fdisk -l
- Check the memory of disk
Mount the disk
- Create a new directory
sudo mkdir /home/pi/toshiba
- Mount the disk by the following command
sudo mount /dev/nvme0n1p1 /home/pi/toshiba
Check the memory again.
- The name should be different for different disks, here is nvme0n1p1 and it may be different in your board.
Enter the directory
- Release the momory
sudo sh -c "sync && echo 3 > /proc/sys/vm/drop_caches"
- Copy the Pi to the SSD (read)
sudo dd if=/dev/zero of=./test_write count=2000 bs=1024k
- Copy the SSD to Pi (write)
sudo dd if=./test_write of=/dev/null count=2000 bs=1024k
- Note: The test result may be different with different SSD and Pi. If you want to test the SSD, you can connect it to PC.
Test in PC
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