Mojave 10.14.5 and Chinese Board, Stuck on forbidden sign

[jdomingo91]

Hi, im stuck on forbidden sign

I built this system:

-Chinese X58 board (I think is fake x58, with intel serie 6 chipset instead of expensive x58)

- Xeon X5675 6 core processor (pulled out from MacPro 5.1 working natively with mojave)

- 16gb ram ddr3 non ecc

- Sata SSD

- RX580 8GB Asus (works fine in a MacPro 5.1)

I installed Mojave 10.14.5 in the Mac Pro, and patched it with multi beast, loaded every kext and system definition (iMac 14,1 or MacPro 5,1 in another time) and I get this screen on boot:

AppleUSBHostResourses

HID: Legay Shim 2

I tried to google it and it seems to be a USB problem, I tried everything. Tried to load this page efi folders of X58 and series 6 intel and every time get the same error. I've built some of other Chinese board's systems with luck but I can't get rid of this error. Can you help me? I'll be very grateful. Glad to collaborate!

[MaLd0n]

[ref]jdomingo91[/ref], sata mode ahci? usb 2 port?

[jdomingo91]

yes, ahci mode and only usb 2.0 in this board, I don't have any clue of what to do. I tried many USB kext.... do you say that is a SATA problem??

Added in 1 minute 5 seconds:

[ref]jdomingo91[/ref], sata mode ahci? usb 2 port?

 

I also sent you a PM with the same details of this post...

[MaLd0n]

[ref]jdomingo91[/ref], Extract tables with F4 key in Clover boot screen, files generated in Clover/Acpi/origin, post here

[jdomingo91]

[ref]jdomingo91[/ref], Extract tables with F4 key in Clover boot screen, files generated in Clover/Acpi/origin, post here

 

Hi, thanks for the quick answer

somehow I fixed the problem listed above, but I can't boot the system yet. it says unsupported CPU and PCH, then appears a couple of lines (listed below, the last picture) and I get a solid black screen (the monitor shuts down), when I try to boot without verbose mode the bar loads and when the screen flicks with RX580 (normal) I get no video at all.

I tried to save the clover tables but when I press f4 in the boot screen I receive this ROD:

I tried to take pictures of the problem and is shown here:

then appears this lines quickly and I get the screen off:

I also made a video:

I hope you can help

[MaLd0n]

[ref]jdomingo91[/ref], try a dp output

rx580 need a uefi mode btw

[jdomingo91]

everything else is ok? the motherboard doesnt have UEFI, can i do anything to fix that?

[MaLd0n]

[ref]jdomingo91[/ref], try a dp output

some ppl discovery a trick for it, i think have one manufacturer with legacy bios gpu

[jdomingo91]

The non uefi boot is 100% the problem then? what gpu do you recomend ?

[MaLd0n]

[ref]jdomingo91[/ref], check in google, some people use rx580 in legacy mode

[jdomingo91]

i tried with dvi without success... i didnt have much luck in google either