From: Alexandru Gagniuc
The presence detect state (PDS) is normally a logical or of in-band and
out-of-band presence. As of PCIe 4.0, there is the option to disable
in-band presence so that the PDS bit always reflects the state of the
out-of-band presence.
The recommendation of the PCIe spec is
The presence detect state (PDS) is normally a logical or of in-band and
out-of-band presence. As of PCIe 4.0, there is the option to disable
in-band presence so that the PDS bit always reflects the state of the
out-of-band presence.
The recommendation of the PCIe spec is to disable in-band
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