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So, my custom made 24 pin looks grear but doesnt work

post #1 of 9
Thread Starter 
Ok guys im a little frustrated and would like some direction on how to determine what is the cause of my 24 pin not working. i made my own cables for my xfx 850w psu. Has 4 double wires. A lot of blood sweat an tears went into this cable.

I checked and triple checked that my cables match the original. All molex pins seem well situated in the connector. Whats the next step?
post #2 of 9
use a multimeter to check connections.
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post #3 of 9
Thread Starter 
Whats the right way to do this?

Is it to connect the original to the psu and while powered check each cable then do the same for the new one?
post #4 of 9
1st thing to do with the multimeter is to check the continuity of each wire on the 24 pin as I suppose it's possible to crimp one in such a way that the bare wire doesn't touch the pin.

Then using your pinout diagram check the voltages are correct for each pinout. Bear in mind you won't be able to check the non-voltage wires like PS ON on PWR OK but a PSU tester might give you a clue.
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post #5 of 9
Quote:
Originally Posted by Big Elf View Post

1st thing to do with the multimeter is to check the continuity of each wire on the 24 pin as I suppose it's possible to crimp one in such a way that the bare wire doesn't touch the pin.

Then using your pinout diagram check the voltages are correct for each pinout. Bear in mind you won't be able to check the non-voltage wires like PS ON on PWR OK but a PSU tester might give you a clue.


PS_ON is up to +5v so if gets any reading off it, it should be fine.

If the system gets power, he know that PWR_OK is good. thumb.gif
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post #6 of 9
When sleeving an oem cable do you have to put the cables back in how they came, pinout wise, or can you put them in so they don't cross? Doing the evga 1000g2 and every cable is a tangled mess.
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post #7 of 9
Quote:
Originally Posted by szeged View Post

When sleeving an oem cable do you have to put the cables back in how they came, pinout wise

You can route/organize the wires any way you want up to the point that they attach into the plastic atx pin plug. At that point the pinout assignment has to be exactly like this;

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post #8 of 9
All the cables with my psu are black... And half are already sleeved. Wat do.
LEGION
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LEGION
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CPUMotherboardGraphicsRAM
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Hard DriveHard DriveHard DriveCooling
Samsung 840 pro 250gb Samsung 840 evo 250gb Samsung 840 evo 250gb Ice kings magic. 
OSMonitorKeyboardPower
WIN 10 Wasabi Mango 42" 4k Corsair k70 EVGA 1000w P2 
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post #9 of 9
Don't forget pics when you get it figured out! Good luck!
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