Question about ASUS P5RD2-VM Motherboard

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Memory installed 4gb memory only shows 2,5 gb of memory

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Motherboard most likely only supports up to 2.5gig off memory.

Posted on Sep 16, 2008

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My DG41TX works perfectly with dual core processors, but with core 2 duo not, do 3 beeps and dont show any video, what i must do?? my core 2 duo is E8400 my dual core is E2180 Bios Version:...


The POST beep code - 3 short beeps mean RAM failure.
Try reseating the RAM modules.
If this does not solve your problem then remove all the RAM modules and insert one RAM module at a time into memory slot 0 (1st memory slot) to determine which is the faulty RAM module.

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Have an EVGA nForce 680i. Bought 2x 2 GB 6400 800Mhz of ram to replace 2x 1 GB sticks. However when I start up the system it only reads that I have 2874 MB of RAM. So I figured maybe one of the sticks is...


Hi.

The reason its only seeing just under 3GB of memory is no doubt because you are using a 32BIT operating system (probably XP).
If you were to install Win 7 (X32) or a 64BIT operating system the computer would see all 4GB of RAM you have installed.

Its nothing to worry about though as the computer will work just fine. If you were to check in the BIOS you would see all 4GB of memory is there and see by the BIOS.



Regards.

May 01, 2011 | Evga nForce 680i SLI (122CKNF68)...

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I have 4gb of RAM installed but computer properties shows only 3gb funtional. why so? i want to increase it to 4 gb..how do i do it??


you must have a graphics card for atleast 512mb or 1 gb.so that your RAM will fully 4gb of space.because the on board graphics share memory with your 4gb RAM thats why it less to 3gb

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Dual channel Mode willnot work over 2 gb's of


Hi, please read page 12, section 2.3 in your manual. Dual channel memory must be connected per manual specs.
(Correct colored DIMM slots)
Link to Asrock manual; ftp://174.142.97.10/manual/P4V88.pdf
Main web site provided by Asrock; http://www.asrock.com/mb/overview.asp?Model=p4v88

Once the memory is installed into the correct colored DIMM slots your system should see up to just under 4GB if 4GB is installed while using windows XP. (Refer to Asrock's web site).

Hope you find this helpful and working.
Mike

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1 Answer

I am using Core 2 quad and my ram is 4GB but the ram is not showing 4gb when i turn on the pc its is just showing physical memory of 1.99 GB


32 bit operating system is limited to 4 gb but on a system fitted with 4GB or RAM and a modest graphics card with 512MB of on-board memory the end user normally sees about 3GB of installed system RAM. So what this means is that the realistic upper RAM limit for a 32-bit OS is more like 3GB. If you’re adding big graphics cards with larger amounts of RAM (or using Crossfire or SLI) then you’ll need to be seriously thinking about a 64-bit OS much sooner.

But it also might be that you have a bad chip try and start the system with one chip at a time if it starts with both then you know there good. Please post the results. ;)

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2 Answers

My asus m3n78-em motherboard does not boots with 6 gb ddr2(3 chips of 2 gb) ram it works properly with 4 gb ram(2 chips of 2 gb) i dont know what to do it used to work properly before but its not working...


This board has a dual channel memory. To function correctly both channels must be identical otherwise , as you can witness, it chokes. To put it simply you must put either 2 identical sticks of memory or 4 - it can't run on 3.

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Maxing memory speed, GB or MHz more important?


I don't think a difference of 133MHz of memory speed will make a difference in your gaming performance either way. Also, you won't be able to use more than 3.5GB of memory if you don't have a 64-bit operating system. Finally, it'll be a rare person who actually notices a difference in using 8GB vs 4GB of RAM. So, in conclusion, just buy 4GB of 800MHz RAM and spend your money and your time on a good graphics card, if gaming performance is your main concern. If you have any further questions, contact me through http://www.inovagent.com.

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you probably cant, its more than likely a bios limitation. check you motherboard manual for maximum limits.

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Depends of your buget, Extra 4 GB DDR2 800 = $35 (total 8GB) I Have 4GB installed now seems fine, but all of this is necessary?
what application do you need to work?

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Best Graphics Card, RAM for D101GGc


go for the nvidia geforce 8500, your board Support for up to 2 GB of system memory so no 4GB( too bad)

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