- Joined
- Mar 22, 2019
- Messages
- 33
- Motherboard
- Q77 Board
- CPU
- i7-4790
- Graphics
- Zotac GTX 770
and how to I know what is the correct value for 5mVWith my i7-8550U i can undervolt CPU and GPU by about 100mV, but this will almost definitely vary across different CPUs, even ones with the same specification. Experiment with 5mV steps, that way if something goes wrong you can reboot and adjust accordingly. Alternatively use VoltageShift; its values dont persist across reboots so if something goes wrong and the laptop crashe you're back to default voltage on next boot.
UEFI IFR
TESTED & WORKING
=======
*Undervolt CPU
(0x653) -> 32 (-0.05V)
(0x655) -> 01
*Undervolt GPU
(0x85A) -> 32 (-0.05V)
(0x85C) -> 01
Upate: i find a guide and will try it. https://www.insanelymac.com/forum/topic/331775-guide-how-to-undervolt-your-haswell-and-above-cpu/
Do you have any idea to my camera issue written above?
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