Just ignore the CPU socket thing, it stands for a type of CPU which may not be using the socket.
--ifd of flashrom means reading the IFD to get the layout, but coreboot.rom's fake IFD doesn't have the BIOS region, are you sure you're doing it correctly?
If the firmware is executed, you can use the serial port (as I can remember, B75 Pro3-M's serial port is a 9-pin pinout on board) to see the console output.

On Mon, Apr 16, 2018 at 12:52 PM, CarlosGonzalez <carlosgonz@protonmail.com> wrote:
HI coreboot 
I have an 'Asrock B75-Pro3-m socket 1155', But coreboot motherboard support page  show that 'Asrock B75-Pro3-m socket 989' is compatible but this do not exist,only socket 1155. can you check this?
I am trying many time install coreboot on my motherboard , But not success, I compiled  coreboot with minimun configuration like ,Motherboard Name/Model, Chipset size 8 mb, only  this then i flashed with:  sudo flashrom -p ch341a_spi --ifd -i bios -w coreboot.rom , but in this way my computer not boot onle fans get turn on but i do not see any verbose on the screen. 
I really want coreboot on my system...Any help is much appreciate
Once Thanks...
/carlosgonz



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