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Enabling
PCIe interface |
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First, enable the external PCIe port on the Raspberry Pi 5.
Edit /boot/firmware/config.txt and add the following at the bottom:
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| pi@raspberrypi ~
$
sudo nano /boot/firmware/config.txt
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# Enable the PCIe external connector
dtparam=pciex1
WARNING
The Raspberry Pi 5 is not
certified for Gen 3.0 speeds, and connections to PCIe
devices at these speeds may be unstable. |
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Save and exit. In nano, you do that by hitting CTRL + X,
answering Y and hitting Enter when prompted. |
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Set PSU_MAX_CURRENT=5000 in the
EEPROM config to bypass the PD negotiation and assume 5A is
available. |
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| pi@raspberrypi ~
$
sudo rpi-eeprom-config -e |
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Add
PSU_MAX_CURRENT=5000 at the
end of the file that reads like this: |
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 |
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Save and exit. In nano, you do that by hitting CTRL + X,
answering Y and hitting Enter when prompted. |
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Reboot the
Raspberry Pi |
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| pi@raspberrypi ~
$
sudo reboot |
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Use the lspci
command to display your PCIe devices |
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| pi@raspberrypi ~
$
sudo lspci |
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