Compatible Wifi card causing slow BIOS and overall boot?

Not really sure what's causing this but I don't think it's necessarily an issue with the software side of things (clover, kexts, settings, etc.)About every two to three weeks, my PC will take a long time to even get to the clover boot screen. When I try to boot into the motherboard's BIOS settings, everything in it will be really laggy. It'll take a ~10 seconds for any key presses to register.

Once I'm able to boot to the Mac OS, everything is running fine with the exception that bluetooth isn't detected (wifi still works). Boot time isn't affected by this, it's just getting to the point of selecting the MAC os that's an issue as well as bluetooth being disabled.

The only solution to I've found is to clear the CMOS, change the BIOS settings to be compatible with MAC (enable XCHI hand-off, disable VT-D, etc.) and then everything runs perfect again (including bluetooth) for a while.

I'll know the issue will start happening when my bluetooth suddenly becomes unavailable after booting into the system. The next time I boot, booting is slow again.

Relevant specs:

Asrock Z390 Phantom ITX Gaming AC

8700K

Sapphire RX 580 8gb

DW1820A

submitted by /u/AddictedToAsianFood
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