Acer Ferrari 1000 Series, Руководство по обслуживанию

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89 Chapter 4
1-2-4-1 1Ch Reset Programmable
Interrupt Controller
•
Treat as an expansion card problem.
•
Check the main board.
1-3-1-1 20h Test DRAM refresh. • Check the system memory.
• Check the main board.
1-3-1-3 22h Test 8742 keyboard
controller. • Check the keyboard.
• Check the keyboard controller.
• Check the main board.
1-3-2-1 24h Set ES segment register
to 4GB.
•
Check the main board.
1-3-3-1 28h Autosize DRAM.
•
Check the system memory.
•
Check the main board.
1-3-3-3 2Ah Clear 512K base RAM. • Check the system memory.
• Check the main board.
1-3-4-1 2Ch RAM failure on address
line xxxx. • Check the system memory.
• Check the main board.
1-3-4-3 2Eh RAM failure on data bits
xxxx of low byte of
memory bus.
•
Check the system memory.
•
Check the main board.
1-4-1-3 32h Test CPU bus-clock
frequency. • Check the processor.
• Check the main board.
1-4-2-1 34h COMS RAM read/write
failure.
•
Check the main board.
1-4-2-4 37h Reinitialize the chipset.
•
Check the main board.
1-4-3-1 38h Shadow system BIOS
ROM. • Check the expansion cards.
• Check the system memory.
• Check the main board.
1-4-3-2 39h Reinitialize the cache. • Check the secondary cache.
• Check the processor.
• Check the main board.
1-4-3-3 3Ah Autosize cache.
•
Check the secondary cache.
•
Check the processor.
•
Check main board.
1-4-4-1 3Ch Configure advanced
chipset registers.
•
Check the main board.
1-4-4-2 3Dh Load alternate registers
with CMOS values.
•
Check the main board.
2-1-1-1 40h Set Initial CPU speed. • Check the main board.
2-1-1-3 42h Initialize interrupt vector. • Treat as an expansion card problem.
• Check the main board.
2-1-2-1 44h Initialize BIOS interrupt.
•
Treat as an expansion card problem.
•
Check the main board.
2-1-2-3 46h Check ROM copyright
notice. • Check the main board.
Beep Code Post Code Description What to Check (Recommended)