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SOYO SY-P4VM800 Quick Start Guide
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Troubleshooting
Boot-up Issues
1. The system does not power up. No beeping sound is heard and the CPU fan is
not spinning.
1. Ensure that there are brass standoffs or plastic insulators between the motherboard and
the case under every screw hole.
2. Ensure that JP5 is on pins 1-2 NOT 2-3.
3. Ensure the 20-pin and 4-pin power connector is connected to the motherboard.
4. Ensure the power cord is connected and the power supply is turned on.
5. Ensure the power button is correctly connected to the motherboard.
6. Ensure the power supply is functioning and powerful enough to sustain the normal
operation and stability of the system. The minimum requirement for a qualified power
supply is 350 watts.
7. Remove the motherboard from the case to rule out the possibility of short-circuit and
reinstall all components outside the case and then start the system again.
The SOYO CD
2. The system powers up without any display and beeping sound, but the CPU fan
is turning.
1. Ensure the case or internal speaker is connected correctly.
2. Short JP5 to clear the CMOS and check all jumper settings on the motherboard.
3. Remove ALL SDRAM from DIMM slots. Power on the system, and check for beeps.
4. If system beeps, reseat SDRAM and then check for beeps again. If no beeps with
SDRAM installed, the SDRAM may be defective. Please replace SDRAM.
5. Replace the CPU and then restart the system.
6. Check if the power supply is ok. The minimum should be 350 watts.
7. Ensure the CPU fan is connected to CPUFAN1 connector.
8. Remove the motherboard from the case to rule out the possibility of short-circuit and
reinstall all components outside the case and then start the system again.
9. Replace the graphic card with usable one. Ensure the graphic card is compliant with AGP
4X/8X with 1.5v & 0.8v power consumption.
3. The system powers up without monitor display, but beeping sound is heard.
1. Ensure the monitor cable is secured to the graphic card.
2. Short JP5 to clear the CMOS and check all jumper settings on the motherboard.
3. Ensure memory modules and graphic card are properly inserted in respective slots.
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