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First build (Yaaay!!!). Advertised RAM Mhz doesn't match POST and CPUID readings?
As Advertised
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OCZ’s AMD Black Edition is tested and qualified specifically for AMD’s latest “Black Edition” CPUs for ultimate performance and stability. Featuring the unique AMD “OverDrive™” (AOD) specification, users can unleash the remote stored profiles directly from AMD when used with supporting 790FX/790GX motherboards, giving users a performance edge with instant “plug and play” functionality. This highly advanced feature detects your OCZ Black Edition RAM when used in conjunction with AOD-supporting motherboards and AMD Black Edition Phenom CPUs, then the data is sent to a remote server to download the correct profiles to get your system up and running at its peak.
These high performance modules feature both the high densities and blazing frequencies enthusiasts and gamers demand to make the most of the latest PC titles and applications. Delivering plug and play overclocking the “AOD” feature does all the work for you!
OCZ Obsidian DDR3 1600 SDRAM Reaching the optimal balance between sheer speed and excellent latency, the OCZ Obsidian DDR3 SDRAM is rated at 1600MHz 8-8-8-24 to meet the rigorous requirements of the most extreme gamers and enthusiasts.
XTC Heatspreaders Different from the conventional heatspreader designs, the XTC (Xtreme Thermal Convection) heatspreaders optimize the thermal dissipation of the memory modules with its honeycomb vents.
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CPUID readings
Manufacturer : OCZ
Part Number : OCZ3BE1600C8LV2G
Serial Number : 0018D728517BA018
Specification : F
Type : DDR3-SDRAM PC3-8500 (533 MHz) - [DDR3-1067]
Format : UDIMM (133.35 x )
Size : 2048 MB (2 ranks, 8 banks)
Supported Frequencies : 381 MHz, 457 MHz, 533 MHz, 610 MHz
CAS Latency (tCL) : 5 clocks @ 381 MHz, 6 clocks @ 457 MHz, 7 clocks @ 533 MHz, 8 clocks @ 610 MHz
RAS to CAS (tRCD) : 5 clocks @ 381 MHz, 6 clocks @ 457 MHz, 7 clocks @ 533 MHz, 8 clocks @ 610 MHz
RAS Precharge (tRP) : 5 clocks @ 381 MHz, 6 clocks @ 457 MHz, 7 clocks @ 533 MHz, 8 clocks @ 610 MHz
Cycle Time (tRAS) : 12 clocks @ 381 MHz, 14 clocks @ 457 MHz, 16 clocks @ 533 MHz, 19 clocks @ 610 MHz
Min TRC : 19 clocks @ 381 MHz, 23 clocks @ 457 MHz, 27 clocks @ 533 MHz, 31 clocks @ 610 MHz
Manufacture : 2000
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Assistance Appreciated!
2 Answers
- Biker BryLv 61 decade agoFavorite Answer
EDIT WHOLE ANSWER:
I was assuming you were running an AMD Phenom II processor.
What is the rest of your build?
DDR3 runs "Double Data Rate" meaning the speed rating of the memory is "double" the actual frequency of the memory. CPUID reports "Actual" frequency. Double what it reports and that is your "effective" speed.
The memory runs at the speed of the FSB of the processor you are using and has nothing to do with it's "advertised" max speed. You need to overclock it to make it run faster, but that can be hard on the CPU.
If the supported frequencies are less than the rated speed of the memory:
The memory is not "officially" supported by BIOS and/or the motherboard and is regitering the SPD incorrectly
The motherboard and/or CPU has a limitation as to what frequencies work.
- JoeLv 71 decade ago
There's got to be a question in there somewhere...
Stock answer: Run MEMTEST86. If you get a clean bill of health, don't worry about your memory.