51
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
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