Acer Aspire 9300 Aspire 9300 / Aspire 7000 Service Guide - Page 96

Code Beeps POST Routine Description B1h Inform RomPilot about the end of POST. B2h POST done- prepare to boot operating system B4h 1 One short beep before boot B5h Terminate QuietBoot (optional) B6h Check password (optional) B7h Initialize ACPI BIOS B9h Prepare Boot BAh Initialize SMBIOS BBh Initialize PnP Option ROMs BCh Clear parity checkers BDh Display MultiBoot menu BEh Clear screen (optional) BFh Check virus and backup reminders C0h Try to boot with INT 19 C1h Initialize POST Error Manager (PEM) C2h Initialize error logging C3h Initialize error display function C4h Initialize system error handler C5h PnPnd dual CMOS (optional) C6h Initialize notebook docking (optional) C7h Initialize notebook docking late C8h Force check (optional) C9h Extended checksum (optional) CAh Redirect Int 15h to enable remote keyboard CBh Redirect Int 13h to Memory Technologies Devices such as ROM, RAM, PCMCIA, and serial disk. CCh Redirect Int 10h to enable remote serial video CDh Re-map I/O and memory for PCMCIA CEh Initialize digitizer and display message. D2h Unknown interrupt The following are for boot block in Flash ROM E0h Initialize the chipset E1h Initialize the bridge E2h Initialize the CPU E3h Initialize the system timer E4h Initialize system I/O E5h Check force recovery boot E6h Checksum BIOS ROM E7h Go to BIOS E8h Set Huge Segment Chapter 4 86