HD 530 Diplay Port on ASUS z170i pro gaming not working

[hotbullet]

Hello. 

 

i am using motherboard ASUS z170i Progaming, with smbios imac 14,1

 

in clover i use 

-inject ID platform-id=0x19120000 i could get display on the monitor via display port and hdmi, but graphic ram only 30MB something, 

-when i platform-id=0x19120000 and don't inject intel, i can use only hdmi display. the ram shows 1500 mb but resolution would not go beyound 1080p and it shows my monitor

as 30 inches display instead of 4k 27inch,

 

i am using dell 4k monitor,

 

please help.

thanks.

[DMMA]

Have you managed to solve it?