iMac 2011 (see more) UEFI Firmware Mod

This is a Wiki post with information collected from the entire thread. Before you post, please read this first. This thread is for supporting iMac 2011 Firmware (BIOS) mods. Some patches may work on other same era Macs. Look at description inside individual posts for detailed information. Index of currently available patches: Remove eeprom flash protection. EnableGOP by @Bmju CPU Microcode updates . Enable PCIe 64bit address space (aka... Read more