User`s manual

60 POST Codes
Table 5-1: POST Code Checkpoints
AB Prepare BBS for Int 19 boot. Init MP tables.
AC
End of POST initialization of chipset registers. De-initializes the
ADM module.
B1
Save system context for ACPI. Prepare CPU for OS boot
including final MTRR values.
00 Passes control to OS Loader (typically INT19h).
Checkpoint Description