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RAM speed?

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May 8, 2012 6:18:12 AM

i really don't know much. but i setup a desktop with below specifications to work at home. not for gaming. just running lot of CAD software n some virtual machine.

bought a : Corsair CMZ 8G X3M2A 1600C9 (suppose a 2 x 4GB DDR3, dual channel, 1600MHz / vengeance)

CPU : i5, 2400

Motherboard : ASUS P8B75-M LE (Chipset B75) the lowest end of ASUS i think

BIOS : American Megatrends Inc. ver. 0307

BIOS setting on memory speed : Auto

graphics : gigabyte NVIDIA GeForce GT 430, 2GB, 1600MHz (since 1600, should be not a factor of system RAM drop right? or does it even affecting?)

PROBLEM : why my CPUZ shows 'max bandwidth' at 667MHz only. should hav been 800MHz right even though BIOS set it to 667Mhz right? (since it's the 1600Mhz written on product should be the Max)



1. not gonna overclock my RAM since it will increase the voltage. or should i?
2. just want it to be optimized to it's normal speed.
3. what is XMP actually?
4. how do i read the memory timing?
5. what is really my RAM normal voltage 1.50V or 1.65V? (non exact model on latest QVL)

More about : ram speed

a b } Memory
May 8, 2012 6:30:52 AM

Change it to 1600mhz frequency in BIOS
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a c 146 } Memory
May 8, 2012 6:35:02 AM

PROBLEM : why my CPUZ shows 'max bandwidth' at 667MHz only. should hav been 800MHz right even though BIOS set it to 667Mhz right? (since it's the 1600Mhz written on product should be the Max)

The default speed for your CPU is 1333MHz, so 667 is correct.


1. not gonna overclock my RAM since it will increase the voltage. or should i?
2. just want it to be optimized to it's normal speed.
3. what is XMP actually?
4. how do i read the memory timing?
5. what is really my RAM normal voltage 1.50V or 1.65V? (non exact model on latest QVL)

The XMP is preset overclock profile of the RAM in the RAM stick. U need to enable the XMP in the BIOS and it will run @ 1600MHz.

U also need RAM that is 1.5V
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a c 146 } Memory
May 8, 2012 6:36:19 AM

Your RAM is 1.5V, so it is just right for your set up.
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May 8, 2012 7:40:05 AM

oh. so u were saying that i should customize my CPU speed? how should i?

troubling in posting some image of CPUz n QVL. it failed to appeared. already using the right script i think for image posting ""
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a c 146 } Memory
May 8, 2012 7:45:08 AM

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May 8, 2012 8:31:24 AM





ok.
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May 8, 2012 9:01:40 AM

i did enable the XMP. but my desktop wont start up. i then pressed the MEMok button (resetting CMOS i believed) n got back on windows. what does that mean?

thought everythg gonna be just fine. instead... gonna change my RAM speed. if still don't workout then i'll try just use the regular setup (auto/default)
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a b } Memory
May 8, 2012 9:14:03 AM

Just change your memory frequency 1600mhz in BIOS and active xmp
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May 8, 2012 9:15:32 AM

set the memory speed to 1600MHz but still the system wont even boot up. is this RAM really a 1600MHz or 1333MHz. Did i being deceived by the seller?
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a b } Memory
May 8, 2012 9:48:25 AM

boot up with single stick and see what you get your ram is 1600mhz dont worry :) 
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May 8, 2012 10:31:55 AM

already done a :

1. activate XMP at 1600MHz - boot up - failed
2. activate XMP and reset at 1600MHz - boot up - failed
3. using only one stick & XMP at 1600MHz - boot up - failed
4. using only one stick - boot up - ok - but still 1333MHz

mainboard support 1600MHz FSB, DIMM 1600MHz Corsair CMZ-8G-X3M2A-1600C9. what am i missing?

CPU speed? suppose it will automatically run at 3.1GHz.
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May 8, 2012 10:40:53 AM

goin to the store back for testing
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a b } Memory
May 8, 2012 11:22:39 AM

Hope That Help :) 
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May 8, 2012 4:19:19 PM

yeah. they all went OverTime trying to solved my problem n comes to an assumption that asus mainboard simply never stated that the maximum speed it support is the 2nd higher in the list. n with the OC stated. so even so my asus mainboard saying that it support to 1600MHz. they will just perform at max 1333MHz. so tomorrow i'm gonna get a new mainboard. had a problem with my sound system anyway. audio system keep unrecognized. money again.
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May 8, 2012 4:20:32 PM

anyway.. thanks u all for your support. at least i learn something new.

TQvm
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May 8, 2012 7:11:59 PM

wau. the community here in this forum is such a nice people.

but i already tried all that :

1. updated bios to 0407
2. resetting CMOS

anyway. Thanks a lot

getting a new asus mainboard, which one should i get. just a low end.

Option :

1. ASUS P8 Z77 - M
2. ASUS P8 Z77 - LX
3. ASUS P8 Z77 -LK

?
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a c 146 } Memory
May 8, 2012 7:36:54 PM

Whats your max $$$ budget?
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May 8, 2012 7:41:07 PM

$150

or should i consider a z68 mainboard. wont need any graphic onboard anymore
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a b } Memory
May 8, 2012 7:48:55 PM

Have you tried another stick of ram
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a c 146 } Memory
May 8, 2012 7:50:33 PM
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a b } Memory
May 8, 2012 7:54:36 PM

Remove all components resemble them including cpu
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May 9, 2012 9:57:18 AM

i bought this model at last. hurmmmm~~~ Dam...it i cannot hold myself.

ASUS P8 Z77 V

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May 9, 2012 10:25:29 AM

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May 9, 2012 5:46:45 PM

I'm not sure if you should buy Z77 when you cpu is non-k which is not unlocked for OC.

However you can always get a new ivy-cpu later (after intel deals with the heat prob tho) with "k" code :D 
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May 10, 2012 2:06:12 AM

yeah. n i never planned on OCing my CPU. jus enabling the XMP which is just optimizing the RAM to 1600MHz. n that's y i got this P8 Z77-V. standard board for my standard settings. but are u sure it's not unlocked for OC? let me check
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May 10, 2012 2:17:15 AM

oh. indeed the memory type spec for this CPU is actually just at 1066/1333MHz. and it is not meant for OC. so i am just wasting my time n money in changing the mainboard. should hav just set up a new PC. this is a fatal mistakes. did i? never thought CPU has it's own memory type spec. argghhh...!! new mainboard is already on it's way. this what happen when i rush thing up without even go a little bit deeper to gain knowledge. did't notice the simplest aspect.
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May 10, 2012 3:13:28 AM

The default speed for your CPU is 1333MHz, so 667 is correct.



The XMP is preset overclock profile of the RAM in the RAM stick. U need to enable the XMP in the BIOS and it will run @ 1600MHz.




so. can i really run the XMP and enable the 1600MHz memory speed? since i use a i5-2400 which is not for OC n memory type is just at 1066/1333MHz only. just realize this. such a simple mistakes for a big wrong solution (mine)
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May 10, 2012 6:27:24 AM

Just discovered this:

FROM : intel.com source



n for all Z77 chipset MOBO i think they not yet updated their list or they never certified them all. haha. whatever as long as my MOBO supported it.

so it's worth it that i bought this mainboard ASUS P8 Z77 - V. at least.

fuh~

:p 
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May 10, 2012 5:35:44 PM

nazgron said:
I'm not sure if you should buy Z77 when you cpu is non-k which is not unlocked for OC.

However you can always get a new ivy-cpu later (after intel deals with the heat prob tho) with "k" code :D 


it is right that i5 2500k with the 'k' is from unlocked series. but actually it is a 'fully unlocked core'

while my i5 2400 is actually a not a fully 'not unlocked'. even more it is actually :

  • - Limited unlocked core
  • - Unlocked memory
  • - Unlocked power
  • - Unlocked GPU

    n that enable users to OverClocking their CPU memory cycle speed to match the DIMM. XMP


    Directly intel's field application engineer Reference : utube.com newegg channel
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    May 14, 2012 11:28:31 AM

    Best answer selected by aminroy.
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    a c 146 } Memory
    May 14, 2012 11:32:51 AM

    Good luck!
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    a c 146 } Memory
    May 14, 2012 11:33:10 AM

    This topic has been closed by Nikorr
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