DFI-ITOX G4S300-B User Manual page 91

3.1.8.6 DDR DIMM Voltage Adjust
This field allows you to manually select higher voltage supplied
to the DRAM. If you want to use the DRAM's default voltage,
leave this field in its default setting.
Important:
Although this function is supported, we do not recommend that
you use a higher voltage because unstable current may be sup-
plied to the system board causing damage.
BIOS Setup
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