Post Code Table
| POST Code | Description |
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| 01 | Prepare PEI Event Log service (bios debug purpose) |
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| 02 | OEM service Initialization (bios debug purpose) |
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| 04 | Status code report service initialization (bios debug purpose) |
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| 05 | CPU IO and PCI IO (bios debug purpose) |
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| 08 | CPU Initialization |
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| 09 | PC Init at stage 1 (SB related init) |
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| 0A | Firmware Flash Device (for BIOS ROM) Read Services (bios debug purpose) |
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| 0D | PC Init at stage 2 (NB related init) |
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| 0E | SMbus |
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| 10 | Memory Initialization |
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| 11 | Restore system configuration for S3 resume (bios debug purpose) |
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| 12 | Clock generator Initialization |
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| 13 | Provide TPM Presence policy (bios debug purpose) |
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| 14 | TPM Module |
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| 2F | Extract BIOS ROM to memory |
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| 32 | Prepare services for S3 resume (bios debug purpose) |
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| 33 | Prepare services for S3 resume (bios debug purpose) |
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| 34 | 8254 timer chip initialization |
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| 36 | PCX decoder |
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| 37 | CPU Initialization |
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| 38 | Prepare stall (delay) related services (bios debug purpose) |
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| 39 | BIOS ROM reclaims relative |
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| 3A | Install EFI Runtime Protocol (bios debug purpose) |
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| 3B | The counter for System boot times (bios debug purpose) |
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| 3C | Watchdog timer service initialization (bios debug purpose) |
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| 3D | EFI driver format verification (bios debug purpose) |
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| 3E | Provide CPU IO protocol service (bios debug purpose) |
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| 3F | Provide reset service (bios debug purpose) |
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| 40 | Real Time Clock Initialization |
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| 41 | Status code report service initialization (bios debug purpose) |
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| 42 | Firmware Flash Device (for BIOS ROM) Read/Write Services |
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| 43 | Firmware Flash Device Read/Write for BIOS ROM recovery (bios debug purpose) |
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| 46 | PC Init at stage 1 (SB related init) |
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| 46 | PCI Host Bridge Initialization |
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| 47 |
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| 48 | SB Controller Initialization |
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| 4A | SATA Controller Initialization |
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| 4B | SM Bus Initialization |
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| 4D | NB Initialization |
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| 4D | ISA Bus Initialization |
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| 4E | ISA Serial Device Initialization |
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82 | Chapter 4 |