Yesterday news spread across the web that AMD shipped the Radeon VII without UEFI support, which results in longer boot times. It's not clear how AMD missed this during the development cycle, but the company has already issued a new BIOS to its AIB partners. Furthermore, AMD is working on a one click installable BIOS that iwll be distributed via the AMD.com website. This fix should follow soon.
AMD has released a BIOS for the Radeon VII with UEFI GOP included for our AIB partners. We will also make a one click installable BIOS available to end users via AMD.com. We do not expect gaming performance differences between the non UEFI BIOS and the UEFI GOP included BIOS, although the non UEFI BIOS may experience slower boot times from cold boot.