MSI MEG Z490 ACE Guide Rapide page 50

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
52 Memory initialization error. Invalid memory size or memory modules do not match
53 Memory initialization error. No usable memory detected
54 Unspecified memory initialization error
55 Memory not installed
56 Invalid CPU type or Speed
57 CPU mismatch
58 CPU self test failed or possible CPU cache error
59 CPU micro-code is not found or micro-code update is failed
5A Internal CPU error
5B Reset PPI is not available
5C - 5F Reserved for future AMI error codes
DXE Progress Codes
60 DXE Core is started
61 NVRAM initialization
62 Installation of the PCH Runtime Services
63 CPU DXE initialization is started
64 - 67 CPU DXE initialization (CPU module specific)
68 PCI host bridge initialization
69 System Agent DXE initialization is started
6A System Agent DXE SMM initialization is started
6B - 6F System Agent DXE initialization (System Agent module specific)
70 PCH DXE initialization is started
71 PCH DXE SMM initialization is started
72 PCH devices initialization
73 - 77 PCH DXE Initialization (PCH module specific)
78 ACPI module initialization
79 CSM initialization
7A - 7F Reserved for future AMI DXE codes
90 Boot Device Selection (BDS) phase is started
91 Driver connecting is started
92 PCI Bus initialization is started
93 PCI Bus Hot Plug Controller Initialization
94 PCI Bus Enumeration 32
40
Onboard LEDs