Intel D50DNP Series - BIOS POST Progress Codes; Table 20. POST Progress Codes

Intel® Server D50DNP Family Integration and Service Guide
205
E.2 BIOS POST Progress Codes
The following table provides a list of all POST progress codes.
Table 20. POST Progress Codes
Post
progress
code (Hex)
Upper Nibble
Lower Nibble
Description
8h 4h 2h 1h 8h 4h 2h 1h
Security (SEC) Phase
01
0
0
0
0
0
0
0
1
First POST code after CPU reset
02
0
0
0
0
0
0
1
0
Microcode load begins
03
0
0
0
0
0
0
1
1
CRAM initialization begins
04
0
0
0
0
0
1
0
0
PEI cache when disabled
05
0
0
0
0
0
1
0
1
SEC core at power-on start
06
0
0
0
0
0
1
1
0
Early CPU initialization during SEC phase
Intel® UPI RC (fully leverage without platform change)
A1
1
0
1
0
0
0
0
1
Collect information such as SBSP, boot mode, reset type, etc.
A3
1
0
1
0
0
0
1
1
Setup minimum path between SBSP and other sockets
A6
1
0
1
0
0
1
1
0
Sync up with PBSPs
A7
1
0
1
0
0
1
1
1
Topology discovery and route calculation
A8
1
0
1
0
1
0
0
0
Program final route
A9
1
0
1
0
1
0
0
1
Program final IO SAD setting
AA
1
0
1
0
1
0
1
0
Protocol layer and other uncore settings
AB
1
0
1
0
1
0
1
1
Transition links to full speed operation
AE
1
0
1
0
1
1
1
0
Coherency settings
AF
1
0
1
0
1
1
1
1
Intel® UPI initialization is done
Pre-EFI Initialization (PEI) Phase
10
0
0
0
1
0
0
0
0
PEI core
11
0
0
0
1
0
0
0
1
CPU PEIM
15
0
0
0
1
0
1
0
1
Platform type initialization
19
0
0
0
1
1
0
0
1
Platform PEIM initialization
Integrated I/O (IIO) Progress Codes
E0
1
1
1
0
0
0
0
0
IIO early initialization entry
E1
1
1
1
0
0
0
0
1
IIO pre-link training
E2
1
1
1
0
0
1
0
IIO EQ programming
E3
1
1
1
0
0
0
1
1
IIO link training
E4
1
1
1
0
0
1
0
0
Internal use
E5
1
1
1
0
0
1
0
1
IIO early initialization exit
E6
1
1
1
0
0
1
1
0
IIO late initialization entry
E7
1
1
1
0
0
1
1
1
IIO PCIe* ports initialization
E8
1
1
1
0
1
0
0
0
IIO IOAPIC initialization
E9
1
1
1
0
1
0
0
1
IIO VTD initialization
EA
1
1
1
0
1
0
1
0
IIO IOAT initialization
EB
1
1
1
0
1
0
1
1
IIO DXF initialization
EC
1
1
1
0
1
1
0
0
IIO NTB initialization
ED
1
1
1
0
1
1
0
1
IIO security initialization
EE
1
1
1
0
1
1
1
0
IIO late initialization exit
EF
1
1
1
0
1
1
1
1
IIO ready to boot
MRC Progress Codes – At this point, the MRC progress code sequence is executed