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SY-P4I845PEISA/GEISA
Quick Start Guide
25
The system turns on for some seconds then shutdown by itself.
1. Check if the CPU fan is connected to the CPUFAN1 connector.
2. The CPU might be overheating. Check the CPU FAN if it is defective or see if the CPU fan
is in contact with the CPU.
3. Clear CMOS battery. (JP5 connector, see Quick start guide for more info on how to clear
the CMOS).
4. Make sure the power supply you have on your system supports the M/B specification.
Example. If you have a P4 M/B, you need to use a P4 power supply.
5. If you already checked the power supply specification, change the power supply it might
be defective. The minimum is 350 watts.
When I boot up my system, everything works fine, it sees my CPU and memory,
detects my hard drive, floppy drive and CD-ROM but locks up at "Verify DMI pool
data... ". Don't go any further. What should I do?
1. Clear CMOS battery. (JP5 connector, see Quick start guide for more info on how to clear
the CMOS).
2. If still has the problem, remove all other add-on cards except video card see if it move
further. Then put peripherals in one by one to identify which one cause the lockup.
3. Change the CPU.
During Boot-up, my computer says CMOS memory Checksum error. What is the
problem?
1. Clear CMOS memory.
2. Re-flash BIOS. Check on how to flash BIOS on the later part of this book.
3. Change the CMOS battery, the battery might be drained.
4. The BIOS chip might be failing.
Stability Issue
My system intermittently locks up, very unstable.
1. Check the CPU Temp, it might be overheating. Change the CPU FAN.
2. Do not over clock your CPU
3. Check the specification of the memory module, maybe the M/B does not support it.
4. Go to BIOS setup and load fail safe settings. Please check if the system performance in
the BIOS setup is set to Turbo/Maximum.
5. Check website for latest BIOS update.
6. Check website for FAQ’s regarding instability issue.
7. Change the memory module or CPU.
8. The power supply might not have enough wattage to support all the peripherals. If your