Hello, I’m trying to use a PCIe card with the AGX Orin Developer Kit. The problem is that the 3.3V and 12V power supplies are not enabled after inserting a card. Only the 3V3AUX supply is active. Now, I was able to enable the power supplies by updating the device tree file tegra234-p3737-fixed-re…

Hi, Confirmed there is a software patch missing in this release. diff --git a/tegra234-p3737-overlay-pcie.dts b/tegra234-p3737-overlay-pcie.dts index e274d9c..835fadf 100644 --- a/tegra234-p3737-overlay-pcie.dts +++ b/tegra234-p3737-overlay-pcie.dts @@ -14,6 +14,8 @@ /dts-v1/; /plugin/; +#incl…

Hi, have you checked the pin PRSNT2 status when PCIe device plug in? It should be changed when device plug in, otherwise module can’t get the note and then enable power supply.

PCIe x16 supply not enabled on Development Kit

Robotics & Edge Computing Jetson Systems Jetson AGX Orin

kayccc May 25, 2022, 6:06am 6

We’re checking with internal team, will do the updte once clarified. Thanks

Jetson AGX Orin development kit PCIe power limit r36.1 release

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PCIe x16 supply not enabled on Development Kit

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