I’m wondering if it’s possible to boot off PCIe to USB cards. I had a USB 3.0 card at one point in time, though I do not recall booting off a USB drive plugged into one.
I’m assuming the UEFI firmware would require USB drivers for that particular chipset, same reason computers need particular support for booting off NVME drives. Motherboard vendors often integrated third party USB contollers on their boards, so support for common chipsets should be there.
Should work. Add-in NICs typically allow network boot without extra effort. GPUs typically give a display out without work. There are standards for this stuff. Of course, that doesn’t mean one can’t be made to such garbage standard that it doesn’t work.
Would love to see proof of this working
Depends on the motherboard, need more info. Most EFI blobs will be able to detect and boot from anything that also follows the EHCI/xHCI interface standards for USB host controllers. Which is most of them that aren’t junk.
It’s a matter of firmware support.
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Then buy and try. Then upload a video for the few of us who care about something this obscure.
Hell, I’d love to see it work with an Asus thunderbolt ex3 card; has a type A port on it. I would try it myself, but I need money and then an eBay seller to accept a low ball offer before I can make such a video.
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