[SOLVED] B450 Aorus M - 11 Beeps on Post

Jan 20, 2019
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So, I just built this PC.

CPU: AMD R5 2600
MB: Gigabyte B450 Aorus M
RAM: G.Skill 2x4gb DDR4-2400
GPU: MSI RX570 Armor Edition 8GB
PSU: EVGA 650BQ


When I start the PC, it beeps 11 times before finally booting to OS (which takes forever). I read it was a CMOS error. However, I tried resetting the CMOS both via jumper and by removing the battery.

When I used the jumper, I bridged the two prongs with a screwdriver for 15 seconds, booted, entered BIOS and loaded optimized defaults. Still 11 beeps.

Shut down, power off. Power cord unlugged. Held power button for about 30 seconds to discharge and power left in the PSU. Removed CMOS battery for 1 hour. Put battery back in. Entered BIOS. Loaded optimized defaults. Still 11 beeps.


I had the same issue with a different CPU+Mobo (R5 2600 [different chip than the one in this post] and ASRock B450m-HDV) so I returned them both just in case and got a brand new CPU and different motherboard... Still getting the same problem.

Any help is appreciated.
 
Solution
For the AMI BIOS, 11 beeps acknowledge a memory cache error (L2 cache). For reference, 10 beeps acknowledge a CMOS error. A memory cache error would point to a problem with either the CPU or motherboard. If you choose not to return both CPU and motherboard (again), then you will have to determine which one is faulty. It appears that you are unlucky!
For the AMI BIOS, 11 beeps acknowledge a memory cache error (L2 cache). For reference, 10 beeps acknowledge a CMOS error. A memory cache error would point to a problem with either the CPU or motherboard. If you choose not to return both CPU and motherboard (again), then you will have to determine which one is faulty. It appears that you are unlucky!
 
Solution