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 | Post Codes | |
| Table  | 
 | (Sheet 2 of 3) | ||
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 | Post Code | 
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| Source | (hex) | Description | ||
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 | 3A | Jump to  | ||
| 
 | 3F | Fatal error. Second code identifies source of error: | ||
| 
 | 
 | 05 = | No memory found | |
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 | 06 = | Checksum error detected when image was read back | |
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 | from memory | |
| SRM | FF | Starting console | ||
| Console | FE | Idle PCB initialization | ||
| 
 | FD | Semaphore initialization | ||
| 
 | FC | Heap initialization | ||
| 
 | FB | Heap initialization | ||
| 
 | FA | Heap initialization | ||
| 
 | F9 | Driver structure initialization | ||
| 
 | F8 | Idle process PID initialization | ||
| 
 | F7 | File system initialization | ||
| 
 | F6 | Timer data structures initialization | ||
| 
 | F5 | Lowering IPL | ||
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 | F4 | Entering idle loop | ||
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 | F3 | Creating task to deallocate dead PCBs | ||
| 
 | F2 | Creating polling task | ||
| 
 | F1 | Creating timer task | ||
| 
 | F0 | Creating  | ||
| 
 | EF | Configuring memory | ||
| 
 | EE | Phase 1 driver startup | ||
| 
 | ED | Configuring the PCI/ISA bus | ||
| 
 | EC | Phase 3 driver startup | ||
| 
 | EB | Switching stdin/out/err to console terminal device | ||
| 
 | EA | Phase 4 driver startup | ||
| 
 | E9 | Building per CPU slot in the HWRPB | ||
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 | E8 | SCSI class driver initialization | ||
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 | E7 | Phase 5 driver startup | ||
| FD | I/O bus initialization | |||
| booter | FC | I/O initialization complete | ||
| 
 | FB | UART initialization | ||
Troubleshooting 
