Cool way to void your warranty on all you computer parts.

diro · Last edited by diro on Mon Nov 24, 2003 10:11 pm; edited 1 time in total

I've been trying to find a way to give my ram more voltage, since my bios will only give up to 2.7 volts. I also want to give more voltage to my video card, again my bios will only give 1.6 volts.
So, I went and did some research and found out that the 3.3 volt line on your power supply is the one that provides voltage to the ram and gpu. Well, it makes sense to think that by increasing your voltage on that line you will in turn have more voltage ram and video card.
So what i plan to do in order to get more voltage out of that 3.3 volt line is to lower the resistance on that line. How am i planning to do that you ask? Well, it's actually quite simple. First you need to have a basic understanding of current flow (which someone who has an engineering degree in electronics (like myself) should). Second, you need a multimeter to read your voltage and your resistance ( Never measure resistance when the power supply is on, you can burn up the multimeter.) Next, you need a few potentiometers (variable resistors), what values you need? I don't know but my guess is that a 50 K Ohm potentiometer should do. Next you need a soldering iron, and the will to void the warranty on all your computer parts.

One thing i cannot say enough is NEVER EVER wear a grounding strap when working on a power supply, you will more that likely get a pretty good shock. There I said it, so if you go and attempt this you can't sue me

As im writing this i haven't tried this because i can't find my freaking multimeter. But as soon as i find it i will post pictures which will give you a visual on how to do it along with step by step instructions. Oh yea, you might want to try it on and old power supply first to make sure that it works and then you can do it on your current one.
Ok, im off to track down my multimeter.
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diro · Posted: Mon Nov 24, 2003 10:05 pm Post subject:

I remembered that my multimeter is at my brother's house, so i will need to either get it back from him or just buy another. Anyways, I went searching on the web to see if anyone else has tried to do thiis, this is what i found. http://www.bleedinedge.com/guides/psu_3.3v_mod/psu_3.3v_mod_pg1.html

I personally was planning on doing the exact same thing. I did find those instructions to be somewhat vague if don't don't know how the power supply works. But it should be fairly easy to follow if you have an idea on how they work.
Just don't go crazy, and don't overvoltage too much or you will fry some stuff.
After i complete this mod, i will post results and i will try to clarify those instructions a little.
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DiRoLoKo!! I fix robots and wear a bunny suit for a living.....the best job i ever had, most money i ever had :)

JayDubya · Posted: Mon Nov 24, 2003 11:11 pm Post subject:

sounds like a good idea for getting around bios limits, but be careful to monitor your northbridge and southbridge chips as they also run on the 3.3v lines. lemme know how it works out!
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bowmab · Posted: Tue Nov 25, 2003 3:13 am Post subject:

very interesting, just wondering why do you want the extra power?

diro · Posted: Wed Nov 26, 2003 12:21 pm Post subject:

more power = more stability in your system which = better performance. Of course it also means more heat, which is the negative side of it. I haven't yet tried it since i was called in to work on my days off, and i won't get i day off until sunday.
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DiRoLoKo!! I fix robots and wear a bunny suit for a living.....the best job i ever had, most money i ever had :)

JimmyZ · TweakNOOB Joined: 14 Feb 2004 Posts: 4

shouldn't 1.6 volts be plenty to keep a stable state on your ram? What is the threshold voltage for your ram?

diro · Posted: Tue Feb 17, 2004 1:12 am Post subject:

Ram usually runs of 2.5 while it can easily handle up to 3.0 volts
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DiRoLoKo!! I fix robots and wear a bunny suit for a living.....the best job i ever had, most money i ever had :)

[TN] Nathan · ALMIGHTY PWNER! Joined: 14 Feb 2002 Posts: 7406

not in all cases, so watch with the broad assumptions.

The corsair PC4400 even while at 2.7volts was too hot to even touch.
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