XFX HD-587X-ZNFC Radeon HD 5870 1GB 256-bit DDR5 P...
Originally Posted by rickss69
Perhaps your card does not support? Have a link? After enabling in settings close app and start again - Maybe try going into Afterburner cfg. and change value to 1 and save file. All I can think of atm...
Editting the config i found
EnableUnofficialOverclocking = 0 -- Changing this too 1 lets me OC more.
UnlockVoltageControl = 0
UnlockVoltageMonitoring = 0 -- Editting either of these too 1 has no effect on the ability to change voltages.