DELL R730 STUCK AT LOADING BIOS DRIVERS, WITH CONSOLE OUTPUT

Dell R730XD stuck at "loading bios drivers" and not progressing past.

I have tried minimum config post, no luck.

changed CPU, no luck

changed RAM, no luck

Cleared NVRM, no luck

when i connect via serial console to unit while posting, i get the below output:

 

ASSERT u:\MdePkg\Library\DxePcdLib\DxePcdLib.c(604): !EFI_ERROR (Status)
!!!! X64 Exception Type - 0000000000000003 CPU Apic ID - 00000000 !!!!
RIP - 0000000073AD60B3, CS - 0000000000000038, RFLAGS - 0000000000000202
RAX - 0000000000000010, RCX - 00000000000003F8, RDX - 00000000000003F8
RBX - 0000000000000000, RSP - 0000000076837A08, RBP - 0000000059E07B94
RSI - 0000000000000000, RDI - 0000000079D7024C
R8 - 000000000000000A, R9 - 0000000000000000, R10 - 00000000000001E0
R11 - 0000000000000001, R12 - 0000000000000000, R13 - 0000000000000000
R14 - 0000000000000000, R15 - 0000000000000000
DS - 0000000000000030, ES - 0000000000000030, FS - 0000000000000030
GS - 0000000000000030, SS - 0000000000000030
CR0 - 0000000080000013, CR2 - 0000000000000000, CR3 - 000000007580F000
CR4 - 0000000000000628, CR8 - 0000000000000000
DR0 - 0000000000000000, DR1 - 0000000000000000, DR2 - 0000000000000000
DR3 - 0000000000000000, DR6 - 00000000FFFF0FF0, DR7 - 0000000000000400
GDTR - 0000000073ADC600 0000000000000047, LDTR - 0000000000000000
IDTR - 0000000073BBB018 0000000000000FFF, TR - 0000000000000000
FXSAVE_STATE - 0000000076837660
!!!! Find PE image u:\Build\DellSector7Pkg\DEBUG_MYTOOLS\X64\IA32FamilyCpuPkg\CpuArchDxe\CpuArchDxe\DEBUG\CpuArchDxe.pdb (ImageBase=0000000073ACF000, EntryPoint=0000000073ACF340) !!!!

 

Any assistance will be greatly appriciated.