For anyone that is looking for a bios for the Gigabyte RX 560 Gaming OC 4GB cards with Hynix memory, here is a bios that works great. Use the following settings with it. Power Limit % -15, Temp. Limit 90, Core Clock 1149, Memory Clock 2000.
https://drive.google.com/open?id=1xIME2dGdYKYwbi1AijagSMeQTnfMz7rH