1. Check the motherboard of the work of each group is correct voltage (Vcore, Vcc3, VCC 33, VTT, Vcc25,
Vref, 5Vref For Chip, 1Vref For CPU)
2. Check that all Setup Error Jump
3. Charles RESET (RSTDRV, PCI RESET, CPU RESET) action is correct
3-1. RSTDRV incorrect
3-1-1. POWER GOOD investigation and the relevant parts of the action line is correct, there is
no OPEN or SHORT
3-1-2. CLOCK CLOCK CHIP investigation of whether there is input and output (CRYSTAL
14.318MHz and 32.768KHZ is bad)
3-1-3. The check BATTERY SHORT PIN (JUMPER) on whether or not the fault
of the correct voltage position BATTERY, CRYSTAL 32.768KHZ
frequency and its associated line is normal
3-2. PCIRST incorrect
check PCIRST CHIP to the PCI SLOT (PIN A15) of the line is
OPEN or SHORT or bad parts
3-3 CPURST incorrect
check CHIP to the CPU line is OPEN or SHORT or bad parts
4. check BE0 ~ BE7, A2 ~ A31, D0 ~ D63 and other signals, and the relevant line is
OPEN or SHORT bad parts or
5. Charles ADS, CPURDY, PCI's REQ0 ~ REQ3, and other signals and the relevant line
or whether OPEN or SHORT bad part
6. PCI SLOT check the other signals AD0 ~ AD31 and the relevant line is OPEN or
SHORT or bad parts
7. No information or bad BIOS (the BIOS can be used to exchange test to determine the yield of the)
8. Charles SA0 ~ SA16, SD0 ~ SD7 (XD0 ~ XD7) and other signals, and the relevant line
or whether OPEN or SHORT bad parts
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