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B1SA4-2750F/B1SA4-2550F Motherboard User's Manual
No Video
1. If the power is on, but you have no video--in this case, you will need to re-
move all the add-on cards and cables rst.
2. Use the speaker to determine if any beep codes exist. (Refer to Appendix A
for details on beep codes.)
3. Remove all memory modules and turn on the system. (If the alarm is on,
check the specs of memory modules, reset the memory or try a different one.)
Memory Errors
1. Make sure that the SODIMM modules are properly installed and fully seated
in the slots.
2. You should be using memory recommended by Supermicro. Also, it is recom-
mended that you use the memory modules of the same type and speed for all
DIMMs in the system. Do not use memory modules of different sizes, different
speeds and different types on the same motherboard.
3. Check for bad SODIMM modules or slots by swapping modules between slots
to see if you can locate the faulty ones.
4. Check the switch of 115V/230V power supply.
When the System Loses the Setup Conguration
1. Please be sure to use a high quality power supply. A poor quality power sup-
ply may cause the system to lose CMOS setup information. Refer to Section
1-5 for details on recommended power supplies.
2. If the above steps do not x the Setup Conguration problem, contact your
vendor for repairs.
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