New Purchase, Wrong Selection? Corsair Vengeance?

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zobara

Honorable
Oct 13, 2013
4
0
10,510
Greetings,

Yesterday i have purchased a new system with;
Asus M5A97 r2.0
Fx6300
and Corsair Vengeance 2x4gb 1600c9 To the Rams

my CPU-z shown the 667mhz Dram Frequency, I made some readings and went to bios and set it from "Auto" to "1600" manually. Now CPU-Z shows 802.7 but still it says Max-bandwidth PC3-10700 (667mhz) whereas the tech specs of the ram says it is PC3-12800...

is eveything ok? or, no i have done a wrong selection for the ram? (i was picking between Gskill ripjawsx and thisone)

P.S: i have noticed lots of comparison notes between these two brands and lots of similar questions about almost same problem about speed...but i couldnt figure out from the answers i have read so far...

P.S2: SPD speed and TESTED speed difference information in corsair site confused me more...In gskill product tech specs these speeds are not different.
 
Solution
Tradesman1
No your fine, in the memory tab, CPU-Z shows the true freq, here 802.7, but this is DDR (Double data rate) so take the 802.7 x 2 = 1603.4 - and where it shows Max Bandwidth in the SPD tab, that is nothing more thean the default boot speed (most all mobos will default DRAM to 1333 upon installation, more on CPU-Z misconceptions in this info thread I wrote:

http://www.gskill.us/forum/showthread.php?t=10565
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
67,883
40
126,960
No your fine, in the memory tab, CPU-Z shows the true freq, here 802.7, but this is DDR (Double data rate) so take the 802.7 x 2 = 1603.4 - and where it shows Max Bandwidth in the SPD tab, that is nothing more thean the default boot speed (most all mobos will default DRAM to 1333 upon installation, more on CPU-Z misconceptions in this info thread I wrote:

http://www.gskill.us/forum/showthread.php?t=10565
 
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Solution
Z

zobara

Honorable
Oct 13, 2013
4
0
10,510
So what you say is
CPU-Z's SPD tab shows a table information, whereas Memory Tab shows what is going on for real.

After the changes that i did in my BIOS,
SPD Tab:
Module Size: 4096 MBytes
Max Bandwidth: PC3-10700 (667Mhz) (***What you say is CPU-Z gets the 667Mhz info from SPD speed and it says "hey this is a PC3-10700", right?***)
And Timings Table in SPD Tab: last column is XMP-1600
800Mhz, 9-9-9-24-33-2T-1.5V

whereas my Memory Tab says:
DRAM Freq: 802.7 MHz
FSB:DRAM 1:4
9-9-9-24-40

so according to your explanation...everything is fine...i dont need to burn down that computer store..:)
 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
67,883
40
126,960
Yes no need to go postal ;) one thing though, in the SPD tab, the PC3-10700 isnt what the the sticks are, it the default boot for the sticks, it's simply info telling the BIOS of your mobo that " hey, we boot to 1333 and standard JEDEC timings ", all the SPD has in it is info - it's up to the BIOS to translate that info into action and set the sticks up ;)
 
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Z

zobara

Honorable
Oct 13, 2013
4
0
10,510
so you say that My Mobo (Asus M5A97 R2.0)recognizes my rams as PC3-10700, and does this according to the SPD info... so my mobo should recognize all corsair vengeance 2x4gb 1600c9's as pc3-10700, nomatter normally they are PC3-12800?

I have just checked my bios driver version is 1302. Should i do any bios updating?

or "heyyy your computer is working just finnneee, dont mess up with anythinnnggg???"...

Sorry for bothering with lots of questions, but i am just trying to be sure and relax...
 
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