I am receiving 11 beeps on AMI bios (cache memory error from beeping codes).
The motherboard is an ASRock CONROE945PL-GLAN.
Can anybody help me solve this? I tried resetting RAM and CMOS battery, but computer won't start.
This motherboard has no cache on the motherboard itself. All cache in it is inside the CPU.
Thus it probably means that your CPU has failed. Try re-seating the CPU and check if its cooling is OK.
If that does not solve it, try the motherboard with another, compatible CPU.