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'''This tutorial<ref>Refer to [https://www.jeffgeerling.com/blog/2023/nvme-ssd-boot-raspberry-pi-5 NVM NVMe SSD boot with the Raspberry Pi 5]</ref> describes how to configure the Raspberry Pi OS on PI 5 to get pcie pip working'''
== Important Notes==
You also can refer to official documentatio:[https://www.raspberrypi.com/documentation/computers/raspberry-pi-5.html#enabling-pcie Enabling PCIe]
After reboot,use the '''lspci ''' command to display your PCIe devices
sudo lspci
The output is as follows, note that the content of the third line depends on the NVME control you are using.
0001:00:00.0 PCI bridge: Broadcom Inc. and subsidiaries Device 2712 (rev 21)
0001:01:00.0 Ethernet controller: Device 1de4:0001
* Make sure your NVME SSD is plugged into the PCIe PIP, not just connecting PCIe PIP to the Pi 5, otherwise the '''lspci''' will not be able to display any PCIe device.* <span class="tb_red">If your NVMe SSD is not recognized, updating the bootloader firmware is essential!</span>Refer to [[How to update eeprom firmware]]] to update firmware or [[#FAQ]] Q1 to know more details.
==Flash OS onto NVME SSD==
# Choose the drive (connected through your adapter) to flash
# Click write (and set any options you'd like)
# Once you have finished flashing the OS, DON'T remove the nvme SSD. You need to change the config.txt in the root directory of the NVME SSD drive to '''enable pcie''' (<span class="tb_blue">edit config.txt and add 'dtparam=pciex1'</span> on the end of file), this is very important and too many people forget thismust [[#Enable PCIe]].
Then pull the NVMe drive, attach it to your Pi 5, and it should boot off it (with or without a microSD card inserted)—assuming you have the bootloader up to date and set the '''BOOT_ORDER''' appropriately!
<span class="tb_red">'''NOTE:'''</span>
If you are flashing a fresh Pi OS to NVME ssd, you must [[#Enable PCIe]]; but if you are COPY or CLONE an old Pi OS from SD card to NVME ssd, and you have already enabled pcie in the old Pi OS in advance, then you don't need to do enable pcie again!
==Set NVMe early in the boot order==