工程硬体线路分析专用

主板硬體線路分析1 1 2 3 4 5 6 7 8 9

TAG

GMCH ICH CACHE 74LS244(F244) 40S9011 74245( )

10.MAX 213 11. CPU 12. PCI

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CPU

IRQ RTC CMOS TIMER DRAM K/B BUS LIST PIO 1394 FDD HDD

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80P=FF 80P=C1 C6(MOMERY TEST FAIL) 80P=05(K/B FAIL) (05 C1 RESET) 80P=05 0D 41

5 80P=0b 6 80P=31(VGA CARD FAIL) 7 80P=12(HIGH MEMORY ERROR) 8 03 9 07 10 08 CACHE BAD 11 04 12 06 LOSE CMOS OR CMOS CHECKSUM ERROR 13 13 CMOS CLOCK ERROR 14 09 A OR A 15 10 HDC OR C CD-ROM 16 SPEED ERROR LED SPEAKER RESET 17 PORT FAILED(LPT COM1 COM2) 18 USB FAILED 19 20 ATX POWER OR

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POWER CPU ISA CLOCK RESET TTL

TAG CACHE CPU CPU CACHE CACHE

(VIA VT8501 Apollo MVP4) a/ b/ c/ d/ e/ f/ g/ h/ PCI DRAM 3D CAD DVD Socket 7 L2 Cache (AGP)

i/ DFP Inte