Gigabyte 880GMA-UD2H Motherboard

Overclocking Options

The 880GMA-UD2H provides several overclocking options. Below we list only the main ones available with the F4A BIOS.

• CPU reference clock: From 200 MHz to 500 Hz in 1 MHz steps
• PCI Express clock: From 100 MHz to 150 MHz in 1 MHz steps
• GPU clock: From 200 MHz to 2000 MHz in 1 MHz steps
• CPU voltage: Offset from -0.600 V to +0.600 V in 0.025 V steps
• CPU PLL voltage (VDDA): From 2.20 V to 3.10 V in 0.02 V steps
• Memory controller voltage (VDDNB): Offset from -0.600 V to +0.600 V in 0.0125 V steps
• Memory voltage: From 1.300 V to 2.500 V in 0.02 V steps
• Memory termination (VTT) voltage: From 0.770 V to 1.100 V in 0.025 V steps
• North bridge (chipset) voltage: From 0.900 V to 1.500 V in 0.020 V steps
• PCI Express PLL (VDDA) voltage: From 1.450 V to 2.100 V in 0.050 V steps

Plus integrated graphics processor options and memory timings, which can be also tweaked.

Figure 8: Overclocking menu

Figure 9: Overclocking menu (Cont’d)

Figure 10: Integrated graphics options menu

Figure 11: Memory timings options

Figure 12: Memory timings options (Cont’d)