
SUPERSERVER 
| POST Code | Description | 
| 18h | 8254 timer initialization | 
| 1Ah | 8237 DMA controller initialization | 
| 1Ch | Reset Programmable Interrupt Controller | 
| 20h | |
| 22h | |
| 24h | Set ES segment register to 4 GB | 
| 28h | Auto size DRAM | 
| 29h | Initialize POST Memory Manager | 
| 2Ah | Clear 512 kB base RAM | 
| 2Ch | |
| 2Eh | |
| 
 | memory bus | 
| 2Fh | Enable cache before system BIOS shadow | 
| 32h | Test CPU  | 
| 33h | Initialize Phoenix Dispatch Manager | 
| 36h | Warm start shut down | 
| 38h | Shadow system BIOS ROM | 
| 3Ah | Auto size cache | 
| 3Ch | Advanced confi guration of chipset registers | 
| 3Dh | Load alternate registers with CMOS values | 
| 41h | Initialize extended memory for RomPilot | 
| 42h | Initialize interrupt vectors | 
| 45h | POST device initialization | 
| 46h | |
| 47h | Initialize I20 support | 
| 48h | Check video confi guration against CMOS | 
| 49h | Initialize PCI bus and devices | 
| 4Ah | Initialize all video adapters in system | 
| 4Bh | QuietBoot start (optional) | 
| 4Ch | Shadow video BIOS ROM | 
| 4Eh | Display BIOS copyright notice | 
| 4Fh | Initialize MultiBoot | 
| 50h | Display CPU type and speed | 
| 51h | Initialize EISA board | 
| 52h | Test keyboard | 
| 54h | Set key click if enabled | 
| 55h | Enable USB devices | 
| 58h | |
| 59h | Initialize POST display service | 
| 5Ah | Display prompt “Press F2 to enter SETUP” | 
| 5Bh | Disable CPU cache | 
