> I don't know if PCIe specifies some ordering w.r.t. power supply > enablement. I found this which is good enough for me: "There is no requirement for supply sequencing in either PCI Express or PCI Express Mini Card; the supplies may come up or go down in any order." [1] Thanks, Linear Technology! [1] https://www.analog.com/media/en/reference-design-documentation/design-notes/dn346f.pdf
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