Question about EliteGroup NFORCE4-A939 (NFORCE4A93910) Motherboard

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ECS Nforce4-a939 ram detection issue

Ok I have gone over this with ECS and they have been no help at all. I have an ECS Nforce4-a939 1.1k and 4GB of samsung RAM(1024 x 4) now the issue is that it only detects 3GB of the 4GB but this is where it gets odd. it detects it as dual slot which means it does detect that there is a fourth ram chip. it just isnt allocating it. help me please!

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  • cjansen09 Feb 04, 2009

    sorry I am using winxp 64bit but the problem is in my motherboard. it seems that it is detecting the extra ram card but it is not allocating it. I have flashed my bios and it is still not fixing the problem.

  • cjansen09 Feb 05, 2009

    this didnt solve my problem here i will update my system specs. sorry for the lack of information as i dont forum much.

    Homebuilt

    Windows xp x64 pro
    nforce4-a939 MB
    Geforce 8900 gtx 512mb
    500gb HD sata
    litescribe cd/dvd ram sata
    4 x 1024 samsung ram cards <--issue (explanation below)
    amd 3800 fx processor

    the issue with the ram is that the motherboard detects that there are four cards (e.g. it detects it as dual ram 128bit) but it only allocates 3gb of it during post. I have 4 x 512mb cards and when i plug them in it detects all 2 gigs. I have also taken out two of the 1 gig cards and swapped them out with each other and all four cards work. In addition I have flashed my bios just in case there was a bad flash during the manufacturing process.



  • Roy Lonsinger
    Roy Lonsinger May 11, 2010

    If you are using Windows you must use the 64 bit version for it to detect 4 GB. The 32 bit version only reads up to 3 GB even though more is there.

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  • Master
  • 565 Answers

Some people don't like links as a solution, but the subject is more complicated than just a few lines of text, By chance do you have a killer graphics card with 1 gig of memory (which in turn overwrites the 4 gigs of system memory when mapped. 4-1=3) Give this a read:
http://support.microsoft.com/kb/929605

Posted on Feb 04, 2009

  • Bob
    Bob Feb 05, 2009

    Ok, your system has a total of 4 gigs of ram when it boots. It allocates 512 megs of the total system memory for the GeForce 8900 gtx mapping. That means that there is now only 3 and a half gigs left. Where did the other 512 megs go? The operating system system itself uses most of that other 512 megs memory for PCI configuration requirements for other devices
    .
    The concept really isn't much different than when people buy a "500 gig" hard drive only to find out that when all is said and done they end up with only 4.85 gigs of hardrive space. Where did it go? Well, the manufacturer figures a gig with base 10 (500,000 megs) while Windows figures a gig with base 2 (512,000 megs), so you lose 12,000 megs right off the bat. The other 3000 megs or so is ate by the formatting and partitioning.

    As far as the BIOS goes, yes, you obviously flashed it correctly, and, of course, most likely have the correct version. However, if you go into the BIOS and don't find settings for remapping the memory, then you don't have that ability. Without the ability for the computer to remap above the 4 gig address line, the PCI configurations will eat up that other 512 megs of memory

    You have a killer rig and even at 3 gigs of memory and 1 "phantom" gig, it's still going to be able to take whatever you can throw at it unless you're going to try to de-encrypt a 128 bit code or something, in which case you'll probably need a hundred of your rigs.

    Enjoy your rig and don't sweat the details.


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Posted on Jan 02, 2017

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Nforce4-a939 board ,my system shows single channel 64 bit but on perchasing it was dual channel 128 bit how can i fix it......


The 128-bit mode is achieved by putting _matching_ sticks of RAM in the RAM-slots. Non-matching RAM will run as "single-channel" (64-bit) mode.

Matching RAM must have the _same_ amount of RAM per stick,
and the same internal "timing" parameters (look closely at the RAM for strings like 3-2-2 or 2-2-2-2).

If you have exactly 2 RAM slots on the motherboard, matching RAM will always run in "dual" mode.

If you have matching RAM, and you have 4 RAM slots, put one stick of RAM in slot #1, and one in slot #2, and leave #3 and #4 empty. Start it up, to see if it is using "dual" mode.

If not, shutdown, power-off, and move the RAM from slot #2 to #3, and start it again. This time, it will run in "dual" mode.

Jul 21, 2010 | EliteGroup NFORCE4-A939 (NFORCE4A93910)...

1 Answer

I need Biosdriver for A939 ECS, where can i find the downoad


No such thing as a bios driver. The manufacturer provides download for os drivers for the board's chipsets, bios flash updates, and user manual. The can be obtained at the following link.

Download Here

If you find this solution helpful, then please take a moment to rate this post. - Thanks.

May 31, 2010 | EliteGroup NFORCE4-A939 (NFORCE4A93910)...

1 Answer

I cannot install more than 512 md ram in my motherboard nforce4 (DFI). it only boot with 512 mb ram stick. if i install 2 sticks it cant boot


it may be that one of the sticks are bad, try booting with one, then the other one. i had the same problem and it turned out one of the sticks were bad. if thats not the case, at least that narrows it down a little

Jan 15, 2010 | EliteGroup NFORCE4-A939 (NFORCE4A93910)...

1 Answer

NFORCE4-939 do I need the ethernet network access manager?


You only need the Ethernet if you want to connect to a network. If you can not get the onboard ethernet to work, you can always use a USB adapter. By the way, have you downloaded the drivers from nVidia?

Jun 30, 2009 | EliteGroup NFORCE4-A939 (NFORCE4A93910)...

1 Answer

I wish to upgarde to the fasted CPU possible for my motherboard


More importantly RAM will give you better performance, if your computer is low on ram it doesn't matter much what the cpu is.

you can put up to 4GB of ram into it
4 x 184-pin DDR SDRAM DIMM socket support up to 4 GB
Support DDR400/333/266 unbuffered DDR SDRAM

here is a list of supported CPU's
http://www.ecsusa.com/ECSWebSite/Support/CPU_Support_Model.aspx?detailid=493&MenuID=69&LanID=0

I think any of the dual cores on that page will be a OK upgrade.

So if you upgrade your ram to 2GB and a Dual core 4800+ that should be good. but in the long run it might be smarter to upgrade to a new motherboard and even faster cpu, with DDR 2 memory, the memory ddr2 is really cheap these days.

May 21, 2009 | EliteGroup nFORCE4-A939 Motherboard

2 Answers

Can the nforce4 a939 run on vista


Hello johanki,
I think so, you can check Motherboard page on ASUS website for more details
http://www.asus.com/ProductGroup2.aspx?PG_ID=mKyCKlQ4oSEtSu5m

Apr 09, 2009 | EliteGroup NFORCE4-A939 (NFORCE4A93910)...

1 Answer

Nforce4 a939 power led comes on, but nothing else


I am on an nforce asus an32-sli premium, with a 939 in it right now you need a 450 -500V power supply. they are resourse hogs, also are you running anything into the cable or ribbon that the main drive is on, if so try running just the drive and nothing else plugged into the MB as a master 0. Don't forget to connect the sata if you are running sata. let me know if it boots in that config, also clear the cmos and pop the battery prior to booting.

Dec 21, 2008 | EliteGroup NFORCE4-A939 (NFORCE4A93910)...

1 Answer

NFORCE4 -939 MOTHERBOARD PROBLEM


Well if you like you can pay for the live chat and I can help you if you like. I work on computers for a living. It would be to hard to truoble shoot this typing a paragraph at a time.

Feb 13, 2008 | EliteGroup NFORCE4-A939 (NFORCE4A93910)...

1 Answer

SYSTEM SHOCKING AND DOES NOT BOOT


first chuck with ur power supply earthing. if ur power supply is correct, then chuck ur SMPS

Feb 10, 2008 | EliteGroup NFORCE4-A939 (NFORCE4A93910)...

1 Answer

HOW TO CONFIGURE RAID


I needed to see your board & can at this site. http://www.ecs.com.tw/ECSWebSite/Products/ProductsDetail.aspx?detailid=493&DetailName=Manual&MenuID=1&LanID=0

This is good for you as well. It shows me & you that your board can handel 4 each DMA/ATA-133 (Ultra) IDE Hard drives/ CD/DVD drives IDE-1Primary & IDE-2 Primary Slave. Each can run 2 IDE drives. Also 4 each Serial ATA SATA's. Two separate SATA controllers with integrated PHYs, each supporting two
drives in master mode. In your manual on pg.32 & 33 will help you to setup a RAID if you wish. Or you can also set the RAID to IDE which will allow you to use all your SATA hard disks as a single drive without setting up a RAID system. The site above supplies all your drivers needed & manual. If you need more help please let me know here.
Luck!
Please vote......

Jan 13, 2008 | EliteGroup NFORCE4-A939 (NFORCE4A93910)...

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