Acer Veriton 5800 Veriton 5800/6800/7800 Service Guide (MSI MB) - Page 83

. Checkpoint 7Eh 7Fh 80h 81h 82h 83h 84h 85h 86h 87h 88h 89h 90h 91h 92h 93h 94h 95h 96h FFh Description Reserved 1. Switch back to text mode if full screen logo is supported. -If errors occur, report errors & wait for keys -If no errors occur or F1 key is pressed to continue: Clear EPA or customization logo. Reserved Reserved 1. Call chipset power management hook. 2. Recover the text fond used by EPA logo (not for full screen logo) 3. If password is set, ask for password. Save all data in stack back to CMOS. Initialize ISA PnP boot devices. 1. USB final Initialization 2. NET PC: Build SYSID structure 3. Switch screen back to text mode. 4. Set up ACPI table at top of memory. 5. Invoke ISA adapter ROMs. 6. Assign IRQs to PCI devices 7. Initialize APM 8. Clear noise of IRQs Reserved Reserved Reserved Reserved Reserved Reserved Reserved Read HDD boot sector information for Trend Anti-Virus code 1. Enable L2 cache 2. Program boot up speed 3. Chipset final initialization 4. Power management final initialization 5. Clear screen & display summary table 6. Program K6 write allocation 7 Program P6 class write combining. 1. Program daylight saving 2. Update keyboard LED & typematic rate 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 Boot attempt (INT 19h) Chapter 4 81