Today, bought a 939 motherboard and CPU is not fooled?

CPU read AMD Athlon 4000 models like the right
Foxconn motherboard is a model C51 do not know the specific ??
be found on-line 939 GHz Athlon 4000 + is a 2.4G, the secondary cache is 1M.
However, the actual frequency is only a 2.0G, in the My Computer properties, is shown in the 4000 +
1.detected by CPU-Z processor, code-named no brand ID, and packaging technology;
Specification is the only AMD Athlon ™ 64 Processor 4000 + (ES)
and secondary cache is 512K;
2.With EVEREST testing
central processing unit (CPU) is detected Athlon 3200 + E6 version of the
but CPUID is detected, and 4000 +
3.I have 939 students of the Athlon 3200 + processor on the motherboard Foxconn C51 on the test results and 2 above the same.
Later, I read carefully, I bought 939 Athlon 4000 +, the panel is a black purple.Covered with the right words after the AMD Athlon 64
ADA4000DKA4CG ?seems to be the correct model of
? but found few Needle loose kan there, but most of the edge off a needle, there are 3 needles are loose, shaking the powerful.But back to my board and then can use the normal boot.
But I have not me The CPU on the board of students last test tomorrow and then look at this.
Under the ask in the end is how it happened?
I cheated it? Some people say that is the ES version, it did.

unfortunately! You fooled ~
AMD Athlon ™ 64 Processor 4000 + (ES), the ES is the ES version of the project is a test-version of the specification and is not available in the market, and there is a lot of grinding, in fact, Is the board for testing by manufacturers, instability, ES processor performance and a very genuine, but the ES version of the project is a sample, does not guarantee quality.
You are requested to return the best.