Does ASRock 970A-G/3.1 motherboard support booting from m.2 slot with NVMe SSD Samsung 950 Pro 256 GB? and support booting from PCIe slot x4 ( Samsung 950 Pro 256 GB NVMe SSD with riser card) ? Currently am planning to buy ASRock 970A-G/3.1. Which protocol is being used in M.2 slot in this model NVMe or AHCI or SATA??? Please Suggest, and what is the settings in BIOS to boot from PCIe or M.2 slot NVMe if it supports ???