can I make a usb key , support efi boot & pcbios

[mmeyer]

(2016-07-13 13:06)zulinfi Wrote:  hi

How can I make a usb to support boot efi or double boot the efi and pcbios?

I believe the standard solution to this involves creating a hybrid partition table (GPT + MBR on the same disk). I'm thinking you might be able to put GRUB in the MBR (for BIOS iPXE) along with the .EFI iPXE binary inside of an EFI system partition. It definitely wouldn't be pretty.

I haven't personally used iPXE on a UEFI machine yet, so what I said above might be incorrect.