Acer Aspire 4750Z Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 96

Code B9h BAh BBh BCh BDh BEh BFh C0h C1h C2h C3h C4h C5h C6h C7h C8h C9h D2h E0h E1h E2h E3h E4h E5h E6h E7h E8h E9h EAh EBh ECh EDh EEh EFh F0h F1h F2h F3h F4h F5h F6h F7h 88 Beeps 1 POST Routine Description Prepare Boot Initialize DMI parameters Initialize PnP Option ROMs Clear parity checkers Display MultiBoot menu Clear screen (optional) Check virus and backup reminders Try to boot with INT 19 Initialize POST Error Manager (PEM) Initialize error logging Initialize error display function Initialize system error handler PnPnd dual CMOS (optional) Initialize notebook docking (optional) Initialize notebook docking late Force check (optional) Extended checksum (optional) Unknown interrupt Initialize the chipset Initialize the bridge Initialize the CPU Initialize the system timer Initialize system I/O Check force recovery boot Checksum BIOS ROM Go to BIOS Set Huge Segment Initialize Multi Processor Initialize OEM special code Initialize PIC and DMA Initialize Memory type Initialize Memory size Shadow Boot Block System memory test Initialize interrupt vectors Initialize Run Time Clock Initialize video Initialize System Management Mode Output one beep before boot Boot to Mini DOS Clear Huge Segment Boot to Full DOS Chapter 4