1program cpu internal MTTR for 0-640K memory address; % [. A6 n8 u5 G2 p8 P2initialize the APIor Pentium class cpu;/ v0 F/ L. l7 ?* f2 q' Q; [
3program early chipset according to CMOS sutup; $ d" j; v g1 R' J. G6 h/ @0 B; M4measure cpu speed; 5 u* |! U5 Z+ w8 |5invoke video BIOS.