Question about EliteGroup nForce3-A Motherboard

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NFORCE3-A Won't post with 2 sticks of 512MB DDR RAM, only if 1 stick used :-(

Hiya, I have a NFORCE3-A 1.0A motherboard with an AMD 3700 CPU that is exhibiting a weird behavior. The system will not post if I have a DIMM in both of the available slots. I have tried 2 identical 512MB DDR333 DIMMs. If one or the other inserted alone, in either bank 1 or 2, boots fine. However, if I have both DIMMS in the machine in bank 1 and 2, system hangs after I power it on. Nothing every displays on screen and does not POST. The DIMMs are known to be good. After several attempts, I tried the same test but with a different pair of matching 512MB DDR266 DIMMs, and again boots fine using either one alone in either bank. However, in this case if I have both 266 DIMMs in doesn't just hang like the DDR333s, but instead starts beeping long beeps, like a post code, but never stops (i.e. beeeep.....beeeep.....etc...). I could find no definitive explanation of what the continual beeping means when using Award BIOS and can't find anything on ECS site. Have scoured web and found similar posts, but solutions were usually replacing a bad memory stick which isn't the problem here. I have reset the BIOS numerous times, made sure I had latest BIOS version, and used known good DIMMS and power supplies. At a loss and REALLY appreciate any help! thx in advance!

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  • Anonymous Dec 22, 2007

    two 512mb rams,asrock k7vm4 motherboard,amd athlon xp 2600+ 1.9ghz processor, my system not supporting two sticks of ram, but working fine with 1 ram in either slots



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ECS Support(USA) Posted : GMT 2008/05/22 21:18:19
Visit this site for a list of what beeps mean.

1. Make sure your CMOS jumper is set to normal position. Clear the CMOS using the jumper first thing you got the board.
Please refer to the user's guide for confirmation on correct jumper position.
** For more BIOS information please go to

** How to clear CMOS
To Clear the CMOS memory, disconnect main power cable from the back of the case then move the plastic jumper cap to clear pin position. Leave it there for 20 seconds then move the jumper cap back to original position. For detail jumper position please refer to your user's guide.

2. A grounding problem could cause the system not to boot. Test the board outside the case free from touching any conductive surfaces.
* Also I suggest that you try reseating all the components( CPU, RAM, POWER SUPPLY) properly into the slots or try another known good components to isolate the problem

3. If your motherboard is using jumpers to set CPU frequency makes sure they are set correctly.
Please also visit for the CPU support list on your motherboard.
AMD CPU: 100MHz =200MHz FSB,
133MHz = 266MHz FSB, 166MHz = 333MHZ FSB and 200MHz =400MHz FSB.
Intel CPU: 100MHz =400MHz FSB, 133MHZ = 533MHZ FSB and 200MHz = 800MHz. By default,
all boards are set to 100MHz.

4. Check all the power cables and CPU heat sink ensure they are connected correctly.

5. Video card position: ensure your motherboard is aligned correctly with the case.
if your video card is not aligned with the back panel it will cause the system not to post.
Test the video card without using the screws to tight it first.

6. Check your CPU's fan ensures it is under 3watts and connected to the CPU fan header.
*** Try setup the system outside the case
with known working CPU, minimum pieces of memory, power supply, and VGA card.
To turn on the power use a screwdriver connects the two Power pins momentarily. This will turn on the power for the motherboard.
under the motherboard please use non-conductive materials such as the cardboard box that came with the motherboard.
This will help you determine if the motherboard is having grounding issues when you put it in the case.

7. For power supply, some K7, K8, and P4 motherboard may require power supply with an additional 12 volt square connector connected to the motherboard for the system to POST. Please refer to the product specification or manual of the motherboard at for detail information.

8. Make sure you have the right power supply. In many cases the power supply is what causes the computer to be unstable, especially in systems where you're running Athlon or Intel P4 processors. The Athlon processor or Intel P4 in conjunction with a high-end graphics card and a high-powered CPU cooling fan, can really task the output of the power supply. Based on our tests we recommend using a 350-400W-power supply. More importantly we recommend the output to be:
a. 28A at +3.3V
b. 30A at +5V
c. 15A at +12V

Please note that a faulty power supply could damage your CPU, motherboard, memory or any components that's connected with the power supply directly.
A low quality power supply may cause your hardware in the system to degrade faster.

** If you have verified the CPU, memory, power supply, and video card to be working on another motherboard, then your motherboard maybe DOA or having compatibility issues with memory and video card.
9. For the memories please make sure that you are using non-ecc, unbuffered, un-register and regular density type of memory. Next, please make sure all your memory modules are of the same brand, type, and size. Having an assortment of memory may cause capability issues that can lock up your system.
Most memory manufactures will test motherboards with their memory modules.
The list below is some manufactures that test the memory with motherboards

Please visit the website below for compatible memory: I suggest that you try reseating these components properly into the slots or try another known good components to isolate the problem

Posted on May 25, 2008

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The continuous beep, as far as I can remember means there is no memory in the system, I'm sure. So for some reason, when you put two sticks of memory in - it doesn't detect any memory. Upgrading the BIOS isn't always the answer, try lower versions than the one you have had the problem with, sometimes updates can cause problems with hardware that is overlooked. Also, toggle any dual channel memory settings that may be available on your motherboard - might do the trick. G'luck.

Posted on Sep 07, 2007

  • Ricky Burgin
    Ricky Burgin Sep 07, 2007

    Also, in response to Nenad's "solution", yes you can use 2 identical memory modules, why the hell would you mix memory chips? It could cause grave compatibility issues - it's always best to match memory modules.

    Furthermore, motherboards that can handle DDR400 can use memory that are at DDR333, I have tried it myself - it just bottlenecks the speed of the system somewhat.

    Stick with your DDR333 modules for best results, if any.

  • Ricky Burgin
    Ricky Burgin Sep 07, 2007

    Disregard my comment on the beep code, it's apparently an unspecific memory error.


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U cannot use 2 identical DIMMs of RAM Memory, find two same and faster, couse 233 or 300 is too slow for nForce3 motherboard.

Posted on Sep 07, 2007

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How to fix this problem ?

First, if you're using DDR2, then you'll need to make sure the RAM sticks are paired, for example if you have 1GB RAM and it's DDR1 2 or 3, then most likely you have a pair of 512MB RAM sticks. It seems your POST is having an error, POST checks for things like keyboards, mice, drivers, and BIOS, as well as RAM and CPU. If POST finds an error in something like the CPU, fans, BIOS, RAM, or anything crucial to the boot up, it will shut down. Otherwise your CMOS chip is fine, really the only problem that may occur is yours CMOS battery may not be charging, and in that case you'd just have to replace it. You also should always wear an ant-static wrist strap before working on computers.

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For a Chaintech 9BIA motherboard;

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PC133 (SDR Sdram at 133MegaHertz;

{Single Data Rate. The proper term, not just Sdram.
Double Data Rate Sdram is Sdram.
Double Data Rate 2 Sdram is Sdram.
Double Data Rate 3 Sdram is Sdram.
DDR Sdram, DDR2 Sdram, DDR3 Sdram.

Synchronous Dynamic Random Access Memory )

Low-Density, Unbuffered, Non-ECC, Cas Latency of 3

(Don't get some cr@p off of Ebay.
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WHEW! Unless you just want to run 1GB of ram memory, I would toss that board! (Two 512MB sticks) ->

-> Need two 1GB sticks of SDR Sdram at 133MHz

$400 smakeroos USD!!

Bah! That is just cra-zy!

Maximum TOTAL Amount is 2GigaByte. (2GB)
Maximum Amount for EACH ram memory slot is 1GB.

IF, you only have ONE ram memory module ('Stick'), it goes in Slot 1. (DIMM 1)
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How much power do I need for this board?

Power Supply Calculator,

A) System Type: 1 physical CPU (Processor)
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5) CPU: Lord only knows. I chose a Processor that uses Up To 89 Watts. AMD Athlon 64 4000+ 2400MHz San Diego 1.35v

6) CPU Utilization TDP: 90% TDP (recommended)
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7) Overclock my CPU!: Leave alone
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9) Video Cards;
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D) Video Type: Leave alone
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10) Hard Drives:
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11) Go to Drives;
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('Chip' is slang term to denote IC, or Integrated Circuit)

Each Dram chip is of a specific size, (or can be said as Amount)
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Doesn't matter how the Dram chips are arranged. The ram memory manufacturer could put them all of one side, if they designed it that way.

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2.The ram memory module must use 2.5 Volts.
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3.It must be Non-ECC ram, and Unbuffered.

4.Cas Latency should be 2.5 to 3.0 (Ram Timings)

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Computer off, and unplugged from power. TOUCH the metal frame of the computer case to relieve your body of Static.

Handle the ram 'sticks' by the body of the stick, and refrain from touching the gold plated contact pins, on the bottom.

If the 512MB stick is in SLOT 1, remove it. Install the 1GB stick in Slot 1. Make SURE it is seated!

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Leave the computer case open. (Refrain from putting your hands in while the computer is plugged into power)

Plug the computer into power. Wait 30 seconds. Turn the computer on.

Computer boots up? (Starts)
Unplug from power. Install the 512MB stick in Slot 2.
Plug into power, wait 30 seconds. Turn the computer on.
Computer boots up?
You're good to go.

1GB ram memory stick is in Slot 1, and the computer does not boot up?
Incompatible ram memory. Remove it. Reinstall the original 512MB stick in Slot 1.

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You'll also benefit from doing a fresh install of XP with nlite or similar and stripping XP of all of the components you don't use. Good LUCK!

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this board is ddr so you will need ddr400 or pc3200 and a maximum capacity of 2gb so be carefull with 1 gb sticks as sometimes this causes system crashes

hope this helps

Regard Rik

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