Acer Ferrari 1000 Service Guide - Page 101

Beep Code 3-2-1-1 3-2-1-2 3-2-1-3 3-2-2-1 3-2-2-3 3-2-3-1 3-2-3-3 3-2-4-1 3-2-4-3 3-3-1-1 3-3-1-3 3-3-3-1 3-3-3-3 3-3-4-1 3-3-4-3 3-4-1-1 3-4-1-3 3-4-2-1 3-4-2-3 3-4-3-1 3-4-4-1 3-4-4-3 3-4-4-4 Post Code 90h 91h 92h 94h 96h 98h 9Ah 9Ch 9Eh A0h A2h A8h AAh ACh AEh B0h B2h B4h B6h B8h BCh BEh BFh Description Initialize hard disk controller. Initialize local bus hard disk controller. Jump to UserPatch2. Disable A20 address line. Clear huge ES segment register. Search for option ROMs. Shadow for option ROMs. Set up Power Management. Enable hardware interrupts. Set time of day. Check key lock. Erase F2 prompt. Scan for F2 key stroke. Enter SETUP. Clear in-POST flag. Check for errors. POST done - prepare to boot operating system. One beep. Check password (optional). Clear global descriptor table. Clear parity checkers. Clear screen (optional). Check virus and backup reminders. What to Check (Recommended) • Check the HDD. • Check the floppy disk drive(s). • Check the main board. • Check the HDD. • Check the floppy disk drive(s). • Check the main board. • Check the main board. • Check the keyboard. • Check keyboard controller. • Check the main board. • Check the main board. • Check the main board. • Check the expansion cards. • Check the system memory. • Check the main board. • Check the main board. • Treat as an expansion card problem. • Check the main board. • Check the main board. • Unlock the key lock if it is locked. • Investigate possible problem with the key lock switch. If it is either unlocked already or not present on the system case. • Check the main board. • Check the video card. • Check the main board. • Check the main board. • Check the main board. • Check the main board. • Check the main board. • Check the main board. • Check the main board. • Check the main board. • Check the main board. • Check the main board. • Check the video card. • Check the main board. • Check the main board. Chapter 4 91