EFI Asrock Z370m Pro4 Catalina 10.15.5 OpenCore
Asrock Z370m ITX/AC
i3 8100
16 Gb DDR4 2666Mhz Crucial
TCSUNBOW Nvme 256 Gb
(Thank you @youngle316 for this parameters in BIOS)
(OFF)
Fast Boot
Secure Boot
VT-d
CSM
Intel SGX
Intel Platform Trust
CFG Lock （ Must be set to Not available ）
(ON)
VT-x
Above 4G decoding
Hyper-Threading
EHCI/XHCI Hand-off
DVMT Pre-Allocated(iGPU Memory): 64MB
I also upload my BIOS. You just have to flash it (under your responsibility).