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PCIe to 4-channel SATA expansion card, support PCIe Gen3 x1, the maximum speed of a single channel is 6Gbps.
Connection as shown in the following figure:
The module does not need a driver when using the latest Raspberry Pi OS. If it is not the latest Raspberry Pi OS or other systems, it is very likely that a driver needs to be added.
For older versions of Raspberry Pi OS, please execute "sudo apt upgrade -y", and you can click to see more PCIE tests.
After the SATA hard disk is connected, you can check the connection through the onboard LED.
When powered, 5 LEDs (4 status LEDs and 1 power indicator) are on.
Please wait for the CM4 to be turned on, the LED corresponding to the SATA after identifying the device will be on, and the LED corresponding to the SATA interface that is not connected will be off.
Wait for the startup to complete and enter the system.
The commands for checking the disk:
#All the following commands are only tested on Raspberry Pi OS #Check the disk status lsblk #Disk partition can use fdisk tool #Format can use mkfs.xxxx tool #mount sudo mount #uninstall sudo umount
Test dd tool.
#Enter the mounting directory and execute as follows # release memory sudo sh -c "sync && echo 3 > /proc/sys/vm/drop_caches" #Write dd if=/dev/zero of=./test_write count=2000 bs=1024k #read dd if=./test_write of=/dev/null count=2000 bs=1024k
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