Acer Power ST Aspire T300 Service Guide - Page 62

Checkpoint 86h 87h 88h 89h 8Ah 8Bh 8Ch 8Dh 8Eh 8Fh 90h 91h 92h 93h 94h 95h 96h FFh Description Reserved NET PC: Build SYSID structure Reserved 1. Assign IRQs to PCI devices. 2. Set up ACPI table at top of the memory. Reserved 1. Invoke all ISA adapter ROMs 2. Invoke all PCI ROMs (except VGA) Reserved 1. Enable/Disable Parity Check according to CMOS setup. 2. APM Initialization Reserved Clear noise if IRQs Reserved Reserved Reserved Read HDD boot sector information for Trend Anti-Virus code 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 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) 56 Chapter 4