PROGRESS
In BIOS, disabled LAN, COM, LPT
Removed Clover boot options
Applied Clover boot options
Booted from USB stick, selected Verbose (-v), deselected nv_disable=1
Load appeared to stall at "IOConsoleUsers: gIOScreenLockState 3, hs 0, bs 0, now 0, sm 0x0" but a few seconds later continued to...