AGP OverVoltage Control
Possible values of an option:
Depend on motherboard model, there can be a variant [Normal]
The option description:
Allows to specify manually value «overvoltage» buses AGP. Necessity for magnification of this pressure often arises at bus AGP acceleration — regular value in 1.5 In (or 3.3 In for out-of-date specification AGP 1.0) any more does not provide stable operation of a video subsystem of the dispersed computer. If you are not engaged overclocking, «overvoltage» it is not required: leave value [Normal].
Do not forget about sufficient cooling (additional case fans) at acceleration of components.
Other options identical to destination: