xfx nvdia geforce210 won't work with ram higher than 2gb.

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learner007

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Aug 5, 2013
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Hi everyone!

i have problem having my video card work with ram higher than 2gb. originally I have 2gb ram, and working fine with my video card, so basically what I did is upgraded my ram to 8gb (4x2gb) and my borad's (optiplex 990) capacity is up to 16gb. first i thought it was a problem with the memory modules compatibility, but i tried each one, and they worked. i then ended up tried removing my video and the pc works with all of the ram's installed altogether.but again when i put back in the video card, it wont and if remove the 6gb(3x2gb) and leave the single 2gb alone, it works.
hope someone here could help me figure this thing out.

Thanks a lot!
 
Solution
Skeefers
Basically what happens is, when your system is booting up it begins by powering up the motherboard, then the CPU, then the RAM followed by your hard drives and optical drives, and finishing with any other devices to include your video card. If your PSU can't supply enough power to turn on all of those devices, the ones further down the list won't receive any power and thus never function. Most likely this is the case with your machine. It's actually functioning with the additional RAM, you just can't see it because it doesn't have enough power left to turn on your video card and display it to your monitor.
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Skeefers

Skeefers

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Aug 7, 2013
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My guess is that it's a power issue. It appears that your system comes with a 250-265W PSU stock, which most likely isn't enough to power both the video card and the upgraded RAM. I suggest upgrading to a 600-700W PSU.

Edit: nVidia recommends a 300W PSU for that card to power it and the rest of the PC, so that lends more credence to my theory. You may be able to get away with a 450-500W PSU, but slightly larger will allow you more room for upgrades later.
 
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learner007

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Aug 5, 2013
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10,510


 
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learner007

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Aug 5, 2013
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thank you so much for your response. yes I was kind of thinking that it could be a possible issue, so you mean by using the 3 other memory slots causing my PSU not to power them up all, and yes your right my stock PSU says "total dc outputs shall not exceed 265W". but one more question, cause I also have here a ram (4gbx1) i tried using it alone together with my video card, still it wont let the system run, it powers up the cpu but no output on my monitor. so im still kind of confuse if it's really about using the 3 other memory slots making the PSU incapble, or has it really something to do with using more than 2gb of ram, thanks again, and i would highly appreciate your future response.
 
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Skeefers

Skeefers

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Aug 7, 2013
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Basically what happens is, when your system is booting up it begins by powering up the motherboard, then the CPU, then the RAM followed by your hard drives and optical drives, and finishing with any other devices to include your video card. If your PSU can't supply enough power to turn on all of those devices, the ones further down the list won't receive any power and thus never function. Most likely this is the case with your machine. It's actually functioning with the additional RAM, you just can't see it because it doesn't have enough power left to turn on your video card and display it to your monitor.
 
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learner007

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Aug 5, 2013
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learner007

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Aug 5, 2013
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hi there,

here is another thing that confuses me now, I just tried a different graphic card ASUS GEFORCE GT440 1GB DDR5, and it worked perfectly fine with the stock PSU that I have with all of the ram installed on all 4 slots. so what difference does it have compare to XFX GEFORCE 210 1GB DDR3? i checked their specs and almost the same and both require a minimum of 300w to run it. but why is that the GT440 works and the other don't?
thanks!



 
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Skeefers

Skeefers

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That is a good question, and the only thing I can think of is that the 440 must not be drawing as much power while initializing, so your PSU can handle powering the other devices. Your video card doesn't draw the maximum amount of power it may need constantly, it only uses what it needs at a given moment, so if the 440 only needs 50-60W at boot but the 210 needs 90-100W, it can make a difference. My guess is that the 440 would still cause problems once you were using it to do something where it needs more power.
 
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learner007

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Aug 5, 2013
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thanks again for your reply, every answer of yours are quite helpful. any way I did a little further research and I think it's the DDR type, though most of the things I've read were too technical for me to understand, one thing that made itself clear to me was that DDR5 runs at lower voltage (but performs faster) than DDR3 type of VRAM.

thanks a lot, I've learned so much from this conversation since you opened up the idea of what the role and imporatnce of the PSU capaity in upgrading computer hardwares.
 
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