Acer TravelMate 6410 TravelMate 6410/6460 Service Guide - Page 88

Phoenix BIOS Beep Codes Beep Code 1-1-1-3 1-1-2-1 1-1-2-3 1-1-3-1 1-1-3-2 1-1-3-3 1-1-4-1 1-1-4-3 1-2-1-1 1-2-1-2 1-2-1-3 1-2-2-1 1-2-2-3 1-2-3-1 1-2-3-3 1-2-4-1 1-3-1-1 Post Code 02h 04h 06h 08h 09h 0Ah 0Ch 0Eh 10h 11h 12h 14h 16h 18h 1Ah 1Ch 20h Description Verify Real Mode. Get CPU type. Initialize system hardware. Initialize cache to initial POST values. Set in POST flag. Initialize CPU registers. Initialize cache to initial POST values. Initialize I/O. Initialize Power Management. Load alternate registers with initial POST values. Jump to UserPatch0. Initialize keyboard controller. BIOS ROM checksum. 8254 timer initialization. 8237 DMA controller initialization Reset Programmable Interrupt Controller Test DRAM refresh. What to Check (Recommended) • Check the processor. • Check the main board. • Check the processor. • Check the main board. • Check the main board. • Check the main board. • Check the main board. • Check the processor. • Check the main board. • Check the secondary cache. • Check the processor. • Check the main board. • Make sure all the cards are securely inserted into the system. • Make sure that there are no physical problems with the main board or internal connections. • Disable all shadowing of expansion adapter ROMs and see if that fixes the problem. • Remove all unnecessary expansion cards (basically, everything but the video card) and see if the problem goes away. If it does, the problem is probably one of the expansion cards you removed. If not, your problem lies elsewhere. Try to isolate the problem by inserting one expansion card at a time back into the system and seeing which on e triggers the problem. • Check the main board. • Check the main board. • Check the main board. • Check the keyboard. • Check the keyboard controller. • Check the main board. • Check the main board. • Check the main board. • Treat as an expansion card problem. • Check the main board. • Treat as an expansion card problem. • Check the main board. • Check the system memory. • Check the main board. 82 Chapter 4