
| Code | POST Routine Description | 
| 0x38 | LEGACY_METRONOME | 
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| 0x39 | FTWLITE | 
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| 0x3A | RUN_RIME | 
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| 0x3B | MONOTONIC_COUNTER | 
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| 0x3C | WATCH_DOG_TIMER | 
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| 0x3D | SECURITY_STUB | 
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| 0x3E | DXE_CPU_IO | 
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| 0x3F | CF9_RESET | 
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| 0x40 | PC_RTC | 
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| 0x41 | STATUS_CODE | 
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| 0x42 | VARIABLE | 
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| 0x43 | EMU_VARIABLE | 
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| 0x44 | DXE_CHIPSET_INIT | 
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| 0x45 | DXE_ALERT_FORMAT | 
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| 0x46 | PCI_HOST_BRIDGE | 
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| 0x47 | PCI_EXPRESS | 
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| 0x48 | DXE_SB_INIT | 
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| 0x49 | IDE_CONTROLLER | 
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| 0x4A | SATA_CONTROLLER | 
| 0x4B | SB_SM_BUS | 
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| 0x4C | ISA_ACPI_DRIVER | 
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| 0x4D | ISA_BUS | 
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| 0x4E | ISA_SERIAL | 
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| 0x4F | IDE_BUS | 
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| 0x50 | PCI_BUS | 
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| 0x51 | BOOT_PRIORITY | 
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| 0x52 | FVB_SERVICE | 
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| 0x53 | ACPI_PLATFORM | 
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| 0x54 | PCI_HOT_PLUG | 
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| 0x55 | DXE_PLATFORM | 
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| 0x56 | PLATFORM_IDE | 
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| 0x57 | SMBIOS | 
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| 0x58 | MEMORY_SUB_CLASS | 
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| 0x59 | MISC_SUB_CLASS | 
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| 0x5A | CON_PLATFORM | 
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| 0x5B | SAVE_MEMORY_CONFIG | 
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| 0x5C | ACPI_SUPPORT | 
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| 0x5D | CON_SPLITTER_UGA_VGA / CON_SPLITTER | 
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| 0x5E | VGA_CLASS | 
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| 0x5F | DATA_HUB | 
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| 0x60 | DISK_IO | 
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| 0x61 | MEMORY_TEST | 
| 0x62 | CRISIS_RECOVERY | 
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| 80 | Chapter 4 | 
