Overclock.net › Forums › Case Mods & Cases › Other Hardware Mods › Cables and Sleeving › Left over slots in adapter after sleeving Enermax Max Revo PSU - HELP
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Left over slots in adapter after sleeving Enermax Max Revo PSU - HELP

post #1 of 12
Thread Starter 
I made custom cables and sleeved everything for my Enermax Max Revo 1350. Unfortunately putting the 24 pin and 8 pin back together i have some left over holes in the adapter on the PSU side.

They are:

12V1
RS

5V
RS

RS-

3.3V
RS

I marked them with yellow on this diagram:



Photo's:



Also the ground on the 24pin that I circled in yellow had two wires coming from it. Why? Where do they go? Can I leave it out.



Thanks for help, and reps to those that do!
 
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post #2 of 12
I'm assuming you didn't take pictures of how it was before you depinned it smile.gif

Best thing to do is phone Enermax support and say your toddler / little brother / dog destroyed your modular cables that you had accidentally left out on the kitchen table. Can they send you some replacement ones? Then you'll have a reference to work with, and you can trace which wires should go where.

As for the double wire in a ground pin: it's done for a reason. So if you leave it out then although the unit may switch on and seem to run fine, it might have increased vdroop or ripple or somehow otherwise be affected. Double wires are annoying, but there's ways to sleeve them and better be safe than sorry.
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post #3 of 12
Thread Starter 
Quote:
Originally Posted by WiSK View Post

I'm assuming you didn't take pictures of how it was before you depinned it smile.gif

Best thing to do is phone Enermax support and say your toddler / little brother / dog destroyed your modular cables that you had accidentally left out on the kitchen table. Can they send you some replacement ones? Then you'll have a reference to work with, and you can trace which wires should go where.

As for the double wire in a ground pin: it's done for a reason. So if you leave it out then although the unit may switch on and seem to run fine, it might have increased vdroop or ripple or somehow otherwise be affected. Double wires are annoying, but there's ways to sleeve them and better be safe than sorry.

Nope didn't figure I wouldn't be able to look up how they were. frown.gif dumb I know

I suppose I could try that, but I really don't want to have to wait to get my rig going again. Hopefully someone else will have done this before and can let me know.

This PSU is a real pain all around. Nothing is straight forward.

Well I have replace the wiring with what looks like it used to be two 24 gauge wires with 16 gauge, so that may make up the difference? Or do you suppose it needs another ground connection? And actually I have no other ground holes open...weird. Don't suppose they would run a ground with something else to the same pin?
 
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post #4 of 12
Quote:
Originally Posted by num1son View Post

I suppose I could try that, but I really don't want to have to wait to get my rig going again.

Your sig rig suggests you've got a Corsair 950W as backup, use that until you are sure the Revo is working fine. Would also be a small insurance to buy a PSU tester, you can get them for $20 and have peace of mind that your sleeving job isn't going to fry your motherboard smile.gif

I can only guess why exactly your PSU has double wires. Mostly they are used as sense wires, to help voltage droop adjustments; or sometimes to split load/return to different circuits to help stabilise the PSU during wild fluctuations in power draw.

Also try making a post in PSU subforum smile.gif
Edited by WiSK - 1/20/13 at 2:42pm
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post #5 of 12
Thread Starter 
Quote:
Originally Posted by WiSK View Post

Your sig rig suggests you've got a Corsair 950W as backup, use that until you are sure the Revo is working fine. Would also be a small insurance to buy a PSU tester, you can get them for $20 and have peace of mind that your sleeving job isn't going to fry your motherboard smile.gif

I can only guess why exactly your PSU has double wires. Mostly they are used as sense wires, to help voltage droop adjustments; or sometimes to split load/return to different circuits to help stabilise the PSU during wild fluctuations in power draw.

Also try making a post in PSU subforum smile.gif

Yeah I do have an extra psu, but it wont run the current rig. And the point is that I need to get this one finished all the way before Crysis3 comes out. wink.gif

PSU tester is a good idea and I posted in the PSU subforum as well.

Must be the double wire goes to one of the extra slots then...thanks for your help!
 
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post #6 of 12
Good luck with it!
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post #7 of 12
have you tried jumping the psu and testing a fan and some led? should atleast be able to test the 12v, 5v, and grounds.

The 24-pin is the most complicated cable to put back together. You can start over again. Take out both connectors. redo the cpu end and then work on the psu end. I'm sure enermax can provide you with a diagram.

If I recal, you made new cables and didn't sleeve the original ones? Do you still have the original ones?
post #8 of 12
Thread Starter 
Quote:
Originally Posted by wermad View Post

have you tried jumping the psu and testing a fan and some led? should atleast be able to test the 12v, 5v, and grounds.

The 24-pin is the most complicated cable to put back together. You can start over again. Take out both connectors. redo the cpu end and then work on the psu end. I'm sure enermax can provide you with a diagram.

If I recal, you made new cables and didn't sleeve the original ones? Do you still have the original ones?

Yeah I made my own, unfortunately Enermax uses non standard plugs on the PSU side, so I had to remove them to re-use them. Unfortunately I didn't take pictures of how it was put together.

Buuut I figured it out! I was talking with KGtuning on FB and it occurred to me that the numbers weren't adding up correctly. You see this PSU has a 20 pin connector and a 16 pin connector that are shared between the 8 pin and the 24 pin. But that means that there are actually only 32/36 wires present. So I decided to count the wires on the original 24 pin to see what it added to. And sure enough there were actually 28 wires on the PSU side. Turns out that Enermax ran what looks to be about 22-24 gauge wire to run voltage sensors that piggy back a ground, a 12V, 5V, and a 3.3V wire. You see them, if you look at it, but unless you look closely you don't realize they are not on their own.
So I thought I had them all, but then I remembered that this PSU leaves one of the grounds empty, meaning that this was only 27 out of 28 wires. I counted them again and couldn't find a 5th.
I decided that there must be a splice hidden somewhere in the sleeving. So I took off the sleeving and sure enough Enermax had spliced and additional 12V into two of the twelve volts running into the 24pin harness!



So I had to do the same which wound up looking like this:



So that was all wires accounted for, but what about the open slots in the PSU side harness? Well the are simply the additional 12V power, and the sensor wires labelled "etc, RS".

So my fingers are numb, my sleeving looks very meh, but at least it's going to work (I hope).

Thanks Enermax for making things sooo much fun to mod!

With some luck I can get them trained and looking like less of a mess.

Hopefully this is helpful to anyone else who decides to sleeve an Enermax Max Revo. thumb.gif
 
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post #9 of 12
Glad everything was sorted thumb.gif
post #10 of 12
Thread Starter 
Quote:
Originally Posted by wermad View Post

Glad everything was sorted thumb.gif

Exactly!
 
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