BIOS Features
The Gigabyte P55M-UD4 uses an American Megatrends Inc. BIOS that has been flashed to BIOS F6, which fixes the following issues:
- Improve PCIe x8 slot compatibility
Main menu. First screen users will see after booting into the BIOS.
MB Intelligent Tweaker (M.I.T.) submenu options
M.I.T. Current Status menu (Great tool for getting real-time information about the CPU and memory configurations)
Advanced Frequency Settings menu
Advanced CPU Core Features menu (This menu has several power-saving features like C1E and EIST that can be disabled to get higher overclocks)
Advanced Frequency Settings menu
Advanced Memory Settings menu
Channel A Timings Settings under Advanced Memory Settings menu
Advanced Voltage Settings menu
Miscellaneous Settings options under Advanced Voltage Settings menu
Standard CMOS Features menu
Advanced BIOS Features menu
Integrated Peripherals menu
Power Management Setup menu
PC Health Status monitor


