HP Elitebook RAM running frequency values lower than possible hardware (factory setting)

As part of the upgrade of RAM (from 4 GB to 8 GB) on my HP Elitebook 8560W, I did several tests to find out what type of RAM to my PC a. I was surprised that my RAM (Samsung, PC3-10600 DDR3 SDRAM SO-DIMM) runs only on 666 MHz = 6.67 * 99.8 MHz (9-9-9-24 calendar, 1.50 V voltage).

However, the factory often supposed to be 1 333 MHz. RAM How can I set correct values of RAM clock 1 333 MHz?

More info: updating my BIOS: 68SVD worm. F.42; 07/15/2013 Motherboard: HP 1631 & Chipset: Intel QM67 (Cougar Point) (B3)

If you need additional information, feel free to ask me questions.

Thank you in advance for your help!

Since your stick of ram is a Double Data Rate (DDR3) as any other RAM sticks of today, its actual frequency still shows 2 times less.  What you see is correct.   In the past, SDRam yielded 1 data at each clock, with DDR ram, 2 the data are transferred to each clock (hz), so the performance is doubled = equivalent to twice the frequency.  Two-channel will accelerate the transfer of ram using two sticks at the same time, but you can still see 666 mhz cpu - z.

Been built several computers game, when I set the frequency in bios to the right pair, it always show 2 x less, don't worry!   PS.  I have 1600 mhz DDR3 sticks and show 801,3 mhz of CPU - z.

In ADDITION, if you upgrade your ram, so that they can operate in dual channel, be sure to buy a stick of the same size (4 GB), frequency (1333 mhz), calendar (9-9 - 9-24) and voltage (1.50 V).  Those who should be easy to find.  It is always better to buy Kit with two since they are tested to work exactly the same, there may be difference of manufacturing between brands and models, but it shouldn't matter much if these 4 parameters are the same.  If you buy a lower frequency stick, the other fits than slower.  If possible, buy one of the same brand to be absolubly that they match (Samsung M471B5273DH0-CH9)

The BIOS * could * be reflashed at a CV not a compatible with your motherboard, but there are a lot of risks for this purpose, up to an unusable computer (motherboard will need to be removed and would need a new BIOS chip, a reprogrammed chip probably welded or a new motherboard).  That's what tells the computer parts, how to work with each other.  Also, your computer will be out of warranty.  You don't need it to be since your ram is working as expected.

A lot of information here: http://www.hardwaresecrets.com/article/Everything-You-Need-To-Know-About-DDR-DDR2-and-DDR3-Memories/167

And here: http://www.hardwaresecrets.com/article/Everything-You-Need-to-Know-About-the-Dual-Triple-and-Quad-Channel-Memory-Architectures/133

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