PEI Progress Codes
10
PEI Core is started
11
Pre-memory CPU initialization is started
12 - 14
Pre-memory CPU initialization (CPU module specific)
15
Pre-memory System Agent initialization is started
16 - 18
Pre-Memory System Agent initialization (System Agent module specific)
19
Pre-memory PCH initialization is started
1A - 1C
Pre-memory PCH initialization (PCH module specific)
2B
Memory initialization. Serial Presence Detect (SPD) data reading
2C
Memory initialization. Memory presence detection
2D
Memory initialization. Programming memory timing information
2E
Memory initialization. Configuring memory
2F
Memory initialization (other)
31
Memory Installed
32
CPU post-memory initialization is started
33
CPU post-memory initialization. Cache initialization
34
CPU post-memory initialization. Application Processor(s) (AP)
initialization
35
CPU post-memory initialization. Boot Strap Processor (BSP) selection
36
CPU post-memory initialization. System Management Mode (SMM)
initialization
37
Post-Memory System Agent initialization is started
38 - 3A
Post-Memory System Agent initialization (System Agent module specific)
3B
Post-Memory PCH initialization is started
3C - 3E
Post-Memory PCH initialization (PCH module specific)
4F
DXE IPL is started
PEI Error Codes
50
Memory initialization error. Invalid memory type or incompatible
memory speed
51
Memory initialization error. SPD reading has failed
65