79 Chapter 4
8Bh 1. Invoke all ISA adapter ROMs
2. Invoke all PCI ROMs (except VGA)
8Ch Reserved
8Dh 1. Enable/Disable Parity Check according to CMOS setup.
2. APM Initialization
8Eh Reserved
8Fh Clear noise if IRQs
90h Reserved
91h Reserved
92h Reserved
93h Read HDD boot sector information for Trend Anti-Virus code
94h 1. Enable L2 cache
2. Program Daylight Saving
3. Program boot up speed
4. Chipset final initialization
5. Power management final initialization
6. Clear screen & dispaly summary table
7. Program K6 write allocation
8. Program P6 class write combining
95h Update keyboard LED & typematic rate
96h 1. Build MP table
2. Build & update ESCD
3. Set CMOS century to 20h or 19h
4. Load CMOS time into DOS timer tick
5. Build MSIRQ routing table
FFh Boot attempt (INT 19h)
Checkpoint Description
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