![](/images/new-backgrounds/1240477/240477149x1.webp)
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| Table |
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Post Code | Description |
22h | |
28h | Auto size DRAM |
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29h | Initialize POST Memory Manager |
2Ah | Clear 512 kB base RAM |
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2Ch | |
2Eh | |
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2Fh | Enable cache before system BIOS shadow |
32h | Test CPU |
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33h | Initialize Phoenix Dispatch Manager |
36h | Warm start shut down |
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38h | Shadow system BIOS ROM |
3Ah | Auto size cache |
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3Ch | Advanced configuration of chipset registers |
3Dh | Load alternate registers with CMOS values |
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41h | Initialize extended memory for RomPilot |
42h | Initialize interrupt vectors |
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45h | POST device initialization |
46h | |
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47h | Initialize I20 support |
48h | Check video configuration against CMOS |
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49h | Initialize PCI bus and devices |
4Ah | Initialize all video adapters in system |
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4Bh | QuietBoot start (optional) |
4Ch | Shadow video BIOS ROM |
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4Eh | Display BIOS copyright notice |
4Fh | Initialize MultiBoot |
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50h | Display CPU type and speed |
51h | Initialize EISA board |
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52h | Test keyboard |
54h | Set key click if enabled |
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55h | Enable USB devices |
58h | |
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59h | Initialize POST display service |
5Ah | Display prompt “Press F2 to enter SETUP” |
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5Bh | Disable CPU cache |
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