Can a PCIe or USB Device get the boot messages at boot time?

Back when motherboards had BIOSes, you had these PCI cards that allowed you to get the bios messages at startup. Do UEFIs have those same things? Also is it possible to be a USB device to listen to those startup messages?

Could you elaborate more or link to what you are talking about, I don’t quite follow what you are saying.

you talking about the ROG connect feature older am3 boards had?
or an addin card capable of doing the same thing?

Your AOC has to support UEFI boot if you enable it in bios.
You can can disable UEFI (usually called CSM mode or sth), and use old bios on AOC.

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