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Cable Sleeving Gallery & Discussion - Page 770

post #7691 of 14275
Quote:
Originally Posted by JonathanNgo View Post

Well, after a night or two thinking about having someone sleeved my PSU cables and doing it myself, I think I will try to sleeve it to test how skillful I am lol.
However, I realized that my AX 850 PCI-E cable have a 2-wires-in-1-hole at the PSU connector going in 2-wires-in-2-holes at the PCI-E connector. I believe that 2 wires wont be fit in 1 hole after doing the sleeving and putting the heat shrink on. What will be the best solution for that problem?
Actually, I have seen a guide seeing how to create to Y connection , but it needs to be solderred. Any solution beside that one?
Thank you in advance, Lutro0.
P.S: Sorry for my bad English since I am not an English native speaker biggrin.gifbiggrin.gif

I would follow the splice method, if care is taken it looks the best out of all of them that I have seen, and the solder just makes the electrical connection that much better.
post #7692 of 14275
I have been using the aluminum skeleton from work to remove my pins for sleeving for a while now, and decided to make a tool today.

100MEDIAIMAG0723.jpg

Pieces cut from skeleton:

100MEDIAIMAG0724.jpg

Tool holder is just a piece of aluminum I threw in the mill:

100MEDIAIMAG0725.jpg


100MEDIAIMAG0728.jpg

Yes, the aluminum ends are pretty fragile so it takes quite a bit of finesse to use without bending them, but hey they are replaceable....and free!
 
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post #7693 of 14275
doh.gif LOL. I ordered a 24 pin extension from the egg a few days ago. Can anyone explain to me why there should be a double pin in the bunch?

100MEDIAIMAG0730.jpg
 
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post #7694 of 14275
Some say it improves voltage sensing if it comes directly from the PSU, to me it's mostly a marketing gimmick and it does nothing. In case of this extensions, it actually does nothing wink.gif
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post #7695 of 14275
Quote:
Originally Posted by wlw wl View Post

Some say it improves voltage sensing if it comes directly from the PSU, to me it's mostly a marketing gimmick and it does nothing. In case of this extensions, it actually does nothing wink.gif

Haha, bingo. I would snip off that extra wire or crimp a new one.
post #7696 of 14275
Totally useless double connection biggrin.gif
Quote:
Originally Posted by wlw wl

Some say it improves voltage sensing if it comes directly from the PSU, to me it's mostly a marketing gimmick and it does nothing. In case of this extensions, it actually does nothing
I think you meant "[...] if it comes directly from the cable end, [...]" wink.gif
post #7697 of 14275
From the PSU to the connector at the end of 24-pin cable, for example. Then it can be used (by the PSU's logic) to sense the voltage at the MB connector instead of the PSU itself, but I don't really believe that idea myself.
A double wire such as in that extensions makes no sense.
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post #7698 of 14275
Quote:
Originally Posted by wlw wl View Post

From the PSU to the connector at the end of 24-pin cable, for example. Then it can be used (by the PSU's logic) to sense the voltage at the MB connector instead of the PSU itself, but I don't really believe that idea myself.
A double wire such as in that extensions makes no sense.

It's physics and math.
For the math part, play around with this calculator: click!

Example: 18AWG wire, copper, 2 feet, 3V DC

2A -> 1.77% voltage drop
3A -> 2.63% voltage drop

That could already cost the PSU its efficiency rating.

Well and for the physics part: There's no way I could explain all that good stuff (!irony!) in another language than my native one biggrin.gif
post #7699 of 14275
Yes, but any given wire that you wish to sense a voltage from it's end instead of the beginning, has a defined (constant) length and gauge, therefore it can be accounted for without running another wire to sense it on the other end. The sensing wire will introduce a drop as well, so you have to account for that too. So why account for two semi-constants, when you can do with just one? That's what I don't get.
You've shown it yourself, the error can be easily calculated.
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Corsair Force GT Samsung Spinpoint F3 Custom water. Very custom. Windows 7 x64 Pro 
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Philips 232EL natec Piranha 2 gaming :) OCZ ModXStream Pro 600W Corsair Graphite 600T 
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post #7700 of 14275
You're right, there are constant factors, such as cable length and material. But the cable's resistance depends on the load. From an engineering point of view, it's way easier to implement the voltage regulation over the remote sensing connection than multiplying these constants with the variable load.

There's a maximum current of 10mA allowed to flow over the remote sensing wire, so the voltage drop coming from the additional wire shouldn't be too big.

That's my view. There are power supplies that "cheat" on the ATX specs, but as reviewers and test results show, they don't work as good as similar models with proper remote sensing (but we're spinning in circles, we've had that topic before).
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