Overclock.net › Forums › Case Mods & Cases › Builds & Case Mods › Case Mods › Cable mod
New Posts  All Forums:Forum Nav:

Cable mod

post #1 of 8
Thread Starter 
Hi all!

I am going to sleeve all the cables running from the power supply unit to the connectors on the motherboard and the graphics card. If you have ever done that, you will know that 2 cables sometimes join together at 1 pin instead of going 1 on 1.

In picture 1, you can see how the cables are usually joining according to Lutro0: https://www.youtube.com/watch?v=uXaKt-tiVI0. This is a pretty clean job. Actually, I don't think there's a better method to join cables half way than this one. BUT.

But, in picture 2, you can see what my idea is. Soldering some kind of "bridge" cable inside the PSU or behind the motherboard instead to connect both pins and only 1 cable is visible.



The question is: is this possible? My knowledge of electricity isn't THAT great... But I don't think I would do anything wrong except voiding warranty.
post #2 of 8
Connecting the two wires together should be no different, regardless of how far up or down the cable you are. That's a good idea to bridge them at their source, and I don't really see anything wrong with doing that.
BlueShift
(16 items)
 
  
CPUMotherboardGraphicsGraphics
AMD FX-4170 MSI 990-FXA GD80V2 MSI Twin Frozr GTX 460 ASUS GTX 460 Hawk 
RAMHard DriveOptical DriveCooling
PNY 8gb(XSPC RAM Spreader) Samsung Spinpoint f3 1tb Acer? Asus? XSPC Raystorm CPU block 
CoolingOSMonitorMonitor
2x DangerDen GPU blocks Windows 7 2x Acer 21.5" Asus 21.5" 
KeyboardPowerCaseMouse
Gigabyte Rosewell Xtreme Series 750w HAF 932 Gigabyte 
  hide details  
Reply
BlueShift
(16 items)
 
  
CPUMotherboardGraphicsGraphics
AMD FX-4170 MSI 990-FXA GD80V2 MSI Twin Frozr GTX 460 ASUS GTX 460 Hawk 
RAMHard DriveOptical DriveCooling
PNY 8gb(XSPC RAM Spreader) Samsung Spinpoint f3 1tb Acer? Asus? XSPC Raystorm CPU block 
CoolingOSMonitorMonitor
2x DangerDen GPU blocks Windows 7 2x Acer 21.5" Asus 21.5" 
KeyboardPowerCaseMouse
Gigabyte Rosewell Xtreme Series 750w HAF 932 Gigabyte 
  hide details  
Reply
post #3 of 8
It depends on exactly what you are trying to join. Lutro0's guide is applicable to sense wires on the PSU (where there's no extra current) or PCIe wires (where there's a known maximum current per wire).

For example, you really don't want to solder together all the 5V connections underneath the motherboard ATX connector. You will get the bad smoke.

On the other hand, at the GPU which needs 8 pins, and you only have 6, then yes you can solder the two end ground pins together if you don't mind voiding the warranty.

You can also crimp two wires into one pin which avoids splitting a wire in the middle...


Lori Lemaris 023
(21 items)
 
Felicity Harmon
(23 items)
 
Moneypenny
(12 items)
 
  hide details  
Reply
Lori Lemaris 023
(21 items)
 
Felicity Harmon
(23 items)
 
Moneypenny
(12 items)
 
  hide details  
Reply
post #4 of 8
Thread Starter 
Yeah I understand the risk of using only 1 cable instead of more (4 or 5). But I don't see the problem soldering only 2 cables at 1 point, since all the current joins at some point anyway (that was my thought, and from that came this thread). I bought cables that can handle 300w @ 4amp, so it should be safe.

Thanks for the replies guys! I'll start a mod thread when I actually start the mod. The weather is too nice to spend it at a desk inside wink.gif
post #5 of 8
Quote:
Originally Posted by Giantmuffin View Post

I bought cables that can handle 300w @ 4amp, so it should be safe.

Forgive me, but that seems an unusual rating - 4 amps at 75V - but is it the same amount of current at a different voltage? Because 4 amps is too low for some wires on the ATX24, and would be too low for doubling up on the PCIe as well. I would normally look at diameter or cross-sectional area, how many strands and what material, in order to determine the maximum current of a wire.
Lori Lemaris 023
(21 items)
 
Felicity Harmon
(23 items)
 
Moneypenny
(12 items)
 
  hide details  
Reply
Lori Lemaris 023
(21 items)
 
Felicity Harmon
(23 items)
 
Moneypenny
(12 items)
 
  hide details  
Reply
post #6 of 8
Thread Starter 
It's 1.9mm in diameter. AWG18. That should do the trick, as I was told and read about. Or am I wrong? I took that diameter for easier sleeving. Thicker wire can handle more power, logically, so I can understand the issue. But I should be fine, no?
post #7 of 8
AWG18 is good smile.gif
Lori Lemaris 023
(21 items)
 
Felicity Harmon
(23 items)
 
Moneypenny
(12 items)
 
  hide details  
Reply
Lori Lemaris 023
(21 items)
 
Felicity Harmon
(23 items)
 
Moneypenny
(12 items)
 
  hide details  
Reply
post #8 of 8
Take a look at the traces inside the PSU, or test for continuity between the two (zero, or near zero, ohms resistance) with a multi-meter. I just rewired my wife's PSU for her Prodigy (shortened from 36" to 6" on the 24-pin). All the wires of the same color all went to the same traces on the board, just had a heck of a lot of wires going into adjacent holes in clusters of 4-5, and a huge blob of solder that took me hours to heat, pull apart and clean off.

I'm thinking of deleting the sense wires on my TRON Legacy themed mod. I don't want the doubles showing. Theoretically, all they do is test the voltage at the other end of the cable... so if I replicate that 18 AWG cable as a bundle inside the PSU, and attach the sense wire to that, it serves the exact same purpose, which is to verify and adjust for DC voltage loss on the wire. I've voided the warranty already on my shiny new NZXT HALE 90 1200w PSU.
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Case Mods
Overclock.net › Forums › Case Mods & Cases › Builds & Case Mods › Case Mods › Cable mod