Question about ASUS A8R32-MVP Deluxe Motherboard

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4 x1gb sticks of kingston hyper x 400 mhzi but only getting 200

Hi I have an A8r-32 mvp deluxe board with a FX 60 clocked at 3.0 and just got 4x1gig sticks of kingston hyper x wich clock at 400mhz I know it downgrades to 333mhz but in bios its saying only 166mhz..use cpuz and its showing running at 200mhz been trying to figure this out but comming up with nothing..all drivers are up to date.. running vista 64bit and bios 701
and also its showing 4gigs of mem in bios but only can use 2.9..dont understand that when i have 64 bit and i have memory remaping enabled plz help

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  • keithvanwagn Dec 19, 2008

    1 thing i proubly left out is the memory i bought was in a set for dual channel and i bought matching sets and also its ddr not ddr 2.. so i proubly have something not set right in the bios you think? and the graphics cards i have are ati radeon X1950 X1950XTX and they are set in crossfire mode also been trying to find online setting for bios with the hyper x mem but haveing no luck...well thanks anyways for trying to help :)

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There has to either be a setting in the BIOS that allows you to control the speed and amount of RAM or it is a possibility that some your RAM is bad... Download Ubuntu Live CD and use it's RAM tester. It is possible that some of your RAM is good and some bad. It is also possible that some of the RAM doesn't work work well with the other unless they are identical.

Posted on Dec 18, 2008

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Hi There,

As the memory is ddr2 ram 200mhz is correct in cpuid, 200mhz x2 (ddr2) = 400mhz, The only thing I can guess at why it is not showing all the ram is do you have a graphics card that can use system memory to boost its own? This can be disabled in the bios

Posted on Dec 18, 2008

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Hi, what RAM can I or can't I add on my GA-8I945PM ?


No, *********** board only supports DDR2 Ram thus the PC2 in your current RAM. Also the maximum capacity of your motherboard is 4gb. So if I were you I would recommend going to 4 1gb PC2-4200 modules. This would reduce latency as opposed to 2 2gb sticks. Also I recommend the 4200 rather than the 6400 or anything else as that is the optimal speed for your motherboard. Kingston is a good company to buy from, I am currently using 8 Kingston FB 2gb DDR3 sticks in my MAC Pro.

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I am trying to add (2) KVR400/1GR to my ASUS K8V-X motherboard. They register fine but run at 169 hz not 200 hz. WHy is that? Can I force to run at 400?


Kingston KVR400 MHz memory will not run correctly on your Asus MB.
The bus speed of the MB can't handle over clocking memory to 400MHz Just because the CPU can handle 533/400MHz doesn't mean the memory can. You should be able to over clock the PC2100 memory up a bit to maybe 276MHz. Personnaly, I wouldn't even try it. Overclocking the CPU is much safer. Even if your board could run 400MHz memory, I doupt you'd even notice the higher data transfer rate.
The Asus P4V533-MX only supports, 2 x 184-pin DDR PC2100 / 266MHz or PC1600 / 200MHz non-ECC memory. Thats why your memory was lowered by the bios to 169MHz.
You would have to raise the voltage and speed on the memory. Odds are you'd fry the memory if you do so.
You may want to look through this link;
http://www.pcstats.com/articleview.cfm?articleID=1804

Hope you find this helpful.
Cheers'
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you quote one of your memory sticks as being pc 2700 when earlier in your text you qoute pc3200.

Firstly pc 3200 is 400 mhz clock speed memory.Secondly, pc 2700 is 333mhz clock speed and you acnnot mix the two on the same board. Thirdly does your board support 3ghz anyway. If you are running a board at 400mhz, pc2700 memory will not run at 400mhz.

Solution, take out the pc 2700 memory and all will be well.

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compdoctor2005@btinternet.com

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Hi Rlforeard, yes the BX80546PG3000E is compatible with the motherboard P4I65G.
http://www.alvio.com/product_view.aspx?product_ID=61048&source_ID=froogle
Here is the list from Asrock. CPU's supported for the Asrock P4I65G board. You will find you can go higher.
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Good Luck!
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