BIOS Mod Request : -Manufacturer: ASRock -Motherboard Model: Z87M Extreme4 -Bios revision: 1.60 -Bios Type: AMI BIOS -Bios Download Link: hxxp://66.226.78.21/downloadsite/bios/1150/Z87M%20Extreme4(1.60)ROM.zip Slic 2.1 Thanks
I put in a Dell 2.2 SLIC table and slp dell in case you wanted to install XP. You should get back with us to let us know if it works.