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  1. #1
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    Question RM1000i Wiring

    Hello,

    I'm trying to make custom cables for the RM1000i and I found a post in Overclock.net's repository that could be of help.

    http://www.overclock.net/t/1420796/r...y-pin-outs/560

    Post#570 by SimonOcean

    I'm relatively new to sleeving PSU cables (not extensions) and seeing the diagram makes me shiver a bit. My main two concerns are about the capacitors and the different gauge wires.

    Questions :

    1- From what I understand, using capacitors is not mandatory as it just helps with voltage fluctuations. Can I just forego those and follow the wiring diagram without connecting capacitors to different 24p pins ?

    2- Can I use 18AWG wire accross the board without having to connect 16AWG to 22AWG wires (for example) ?

    3- Pin #20 of the MB 24pin seems unused. Is this normal ? Is there really no cable there. If I compare this to a standard 24pin ATX layout, there should be a -5V pin there.


    Thanks in advance for the help.

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    Default

    Hey, welcome and just remember, sleeving is quite a tedious job.... It looks good though.

    To answer your questions:
    1. You can just remove the in cable capacitors - ripple will be a little higher, but should still be well in spec.

    2. Yep, however, the reason 16AWG is usually used is because GPU's/motherboards may draw quite a lot off the 12v rail, thicker wires == lower resistance == lower vdrop == less chance of burning your wire out ... but 18AWG is perfectly fine most of the time because the connectors imo is the weaker link in the chain, not the wire itself.

    3. Yep, almost nothing uses -5v anymore.

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    Quote Originally Posted by ridgid13579 View Post
    3. Yep, almost nothing uses -5v anymore.
    Almost nothing uses -12V anymore, -5V isn't even in the ATX spec anymore and you also won't find in any decent modern PSU.

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    Default

    Thanks for both your help. I will report back once the 24 pin is done and tested.

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