Acer TravelMate 6410 TravelMate 6410/6460 Service Guide - Page 89

Beep Code, Post Code, Description, What to Check Recommended, Set Initial CPU speed.

Page 89 highlights

Beep Code 1-3-1-3 1-3-2-1 1-3-3-1 1-3-3-3 1-3-4-1 1-3-4-3 1-4-1-3 1-4-2-1 1-4-2-4 1-4-3-1 1-4-3-2 1-4-3-3 1-4-4-1 1-4-4-2 2-1-1-1 2-1-1-3 2-1-2-1 2-1-2-3 2-1-2-4 2-1-3-1 Post Code 22h 24h 28h 2Ah 2Ch 2Eh 32h 34h 37h 38h 39h 3Ah 3Ch 3Dh 40h 42h 44h 46h 47h 48h Description Test 8742 keyboard controller. Set ES segment register to 4GB. Autosize DRAM. Clear 512K base RAM. RAM failure on address line xxxx. RAM failure on data bits xxxx of low byte of memory bus. Test CPU bus-clock frequency. COMS RAM read/write failure. Reinitialize the chipset. Shadow system BIOS ROM. Reinitialize the cache. Autosize cache. Configure advanced chipset registers. Load alternate registers with CMOS values. Set Initial CPU speed. Initialize interrupt vector. Initialize BIOS interrupt. Check ROM copyright notice. Initialize manager for PCI Options ROMs. Check video configuration against CMOS. What to Check (Recommended) • Check the keyboard. • Check the keyboard controller. • Check the main board. • Check the main board. • Check the system memory. • Check the main board. • Check the system memory. • Check the main board. • Check the system memory. • Check the main board. • Check the system memory. • Check the main board. • Check the processor. • 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 secondary cache. • Check the processor. • Check the main board. • Check the secondary cache. • Check the processor. • Check main board. • 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 main board. • Treat as an expansion card problem. • Check the serial port(s). • Check the parallel port(s). • Check the main board. • Check the video card. • Make sure the system memory is working properly. • Check the main board. Chapter 4 83

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