Error Messages and Beep Codes 
71 
Table 41.  Port 80h POST Codes (continued) 
Port 80 Code  Progress Code Enumeration 
  PEIMs/Recovery 
0x31  Crisis Recovery has initiated 
0x33  Loading recovery capsule 
0x34  Start recovery capsule / valid capsule is found  
  CPU Initialization 
  CPU PEI Phase 
0x41  Begin CPU PEI Init 
0x42  XMM instruction enabling 
0x43  End CPU PEI Init 
  CPU PEI SMM Phase 
0x44  Begin CPU SMM Init smm relocate bases 
0x45  Smm relocate bases for APs 
0x46  End CPU SMM Init 
  CPU DXE Phase 
0x47  CPU DXE Phase begin 
0x48  Refresh memory space attributes according to MTRRs 
0x49  Load the microcode if needed 
0x4A  Initialize strings to HII database 
0x4B  Initialize MP support 
0x4C  CPU DXE Phase End 
  CPU DXE SMM Phase 
0x4D  CPU DXE SMM Phase begin 
0x4E  Relocate SM bases for all APs 
0x4F  CPU DXE SMM Phase end 
  I/O Buses 
0x50  Enumerating PCI buses 
0x51  Allocating resources to PCI bus 
0x52  Hot Plug PCI controller initialization 
  USB 
0x58  Resetting USB bus 
0x59  Reserved for USB 
  ATA/ATAPI/SATA 
0x5A  Resetting PATA/SATA bus and all devices 
0x5B  Reserved for ATA 
continued