Acer TravelMate 6410 TravelMate 6410/6460 Service Guide - Page 91

Beep Code 2-4-1-1 2-4-1-3 2-4-2-1 2-4-2-3 2-4-4-1 2-4-4-3 3-1-1-1 3-1-1-3 3-1-2-1 3-1-2-3 3-1-3-1 3-1-3-3 3-1-4-1 3-2-1-1 3-2-1-2 3-2-1-3 3-2-2-1 3-2-2-3 3-2-3-1 Post Code 70h 72h 74h 76h 7Ch 7Eh 80h 82h 84h 86h 88h 8Ah 8Ch 90h 91h 92h 94h 96h 98h Description Display error messages. Check for configuration errors. Test real-time clock. Check for keyboard errors. Set up hardware interrupts vectors. Test coprocessor if present. Disable onboard I/O ports. Detect and install external RS232 ports. Detect and install external parallel ports. Reinitialize onboard I/O ports. Initialize BIOS data area. Initialize extended BIOS data area. Initialize floppy controller. 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. What to Check (Recommended) • Check the video card. • Check the main board. • Check the main board. • Check the main board. • Check the keyboard. • Check the keyboard controller. • Check the main board. • Treat as an expansion card problem. • Check the main board. • Check the processor. • Check the main board. • Treat as an expansion card problem. • Check the serial port(s). • Check the parallel port(s). • Check the main board. • Treat as an expansion card problem. • Check the serial port(s). • Check the parallel port(s). • Check the main board. • Treat as an expansion card problem. • Check the serial port(s). • Check the parallel port(s). • Check the main board. • Treat as an expansion card problem. • Check the serial port(s). • Check the parallel port(s). • Check the main board. • Check the main board. • Check the main board. • 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 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. Chapter 4 85