The MSI 990FXA-GD80 offers some overclocking options, listed below (1.0 BIOS):
- CPU base clock: From 190 MHz to 690 MHz in 1 MHz increments
- PCI Express clock: From 90 MHz to 190 MHz in 1 MHz increments
- CPU core (VDD) voltage: From 0.989000 V to 1.986500 V in 0.0105 V increments
- CPU PLL voltage: From 2.047650 V to 3.127993 V in 0.0101 V increments
- Memory controller (“CPU-NB,” VDDNB) voltage: From 0.796934 V to 1.845100 V in 0.01133 V increments
- North bridge (NB) voltage: From 0.964 V to 1.303 V in 0.005 V increments
- South bridge (SB) voltage: From 0.624500 V to 1.575500 V in 0.03200 V increments
- HyperTransport Voltage: From 0.963600 V to 1.572330 V in 0.01240 V increments
- North bridge PCI Express voltage: From 1.131600 V to 2.0955360 V in 0.035 V increments
- Memory voltage: From 1.442 V to 1.906 V in 0.007 V increments
- Memory reference voltage: From 0.519034 V to 1.164266 V in 0.0314 V increments
- Memory termination (VTT) voltage: From 0.509334 V to 1.166266 V in 0.025266 V increments
For a better understanding of what these options do, please read our Understanding All Voltage Configurations from the Motherboard tutorial.
The 990FXA-GD80 comes with a button called “OC Genie.” By pressing it, the motherboard will test and find the recommended overclocking settings for your system, allowing you to overclock your PC without having to go through the hassle of changing somewhat complicated settings manually.