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Power supply pin modification for ReadyNas NV+

SamCarter
Aspirant

Power supply pin modification for ReadyNas NV+

Hello! I have an old ReadyNas NV+ (v1 silver) that won't power on after a move (it was shut down properly before the move). My backup drive turned out to be corrupted as well. So here I am looking for a replacement power supply when I see them on Ebay for $400. Anyway, I made my way to a few tutorials and mentions of changing the pinout on a standard ATX power supply and I'm just not sure of what I should be doing. If it matters, I only need it on long enough to copy the data off of it, so looks and noise don't matter.

 

This thread says "I recommend you buy an ATX power extender and just clip the -5V and -12V lines.  Or, if the supply is "expendable", just clip the wires directly."

https://community.netgear.com/t5/ReadyNAS-Hardware-Compatibility/Power-supply-replacement-Ultra-4/td...

 

This video has the actual change done off camera, and in the comments the creator says "Since the yellow wires are all +12V on the ATX power supply I simply removed 2 wires from one of the 2 x yellow and 2 x black connectors at the bottom of the new power supply around 6:28. You can see the new wires about 6:30 in the video and one of the 2 x yellow and 2 x black connectors missing the 2 yellow wires around 6:32.":

https://www.youtube.com/watch?v=V2jqdueAn4E

 

Next there is a step-by-step guide that says "Popping out the yellow +12 wires out of the 4-pin connector and removing the blue -12 wire out of the 20-pin connector, I was ready to insert the two yellow +12 wires into the 20-pin connector to make the NAS happy.":

http://www.robdiesel.com/wordpress/2016/02/readynas-nv-frugal-power-supply-replacement/

 

In my case, am I ok to just cut the blue and yellow wires that don't match? If not, where am I supposed to find the extra yellow wire? 

 

 

Model: ReadyNAS-NV+|ReadyNAS NV+
Message 1 of 4

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Sandshark
Sensei

Re: Power supply pin modification for ReadyNas NV+

The wires you need to remove are the -12V (blue) and -5V (white, which may be missing on newer supplies).  Since the NV+ has a 20-pin connector and a standard ATX12V has 24 (often separated as 20 and a 4 add-on), an adapter works well so you modify only it, not the supply and also gain at least one of the additional +12V lines.  Netgear replaced those pins with +12V for a reason, and without doing something, you'll only have one instead of three +12V lines.  On a PC, the drives have separate wires for 12V.  On the NAS, they don't.  I recommend using a 24-pin to 20 pin adapter and connecting the additional +12V (yellow) wire in the +4 part of the 24-pin connector to the location where the blue or white was removed (white is closer).  You can do that by removing/replacing pins or by solder splicing (and properly insulating). the wires.

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Message 2 of 4

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Sandshark
Sensei

Re: Power supply pin modification for ReadyNas NV+

The wires you need to remove are the -12V (blue) and -5V (white, which may be missing on newer supplies).  Since the NV+ has a 20-pin connector and a standard ATX12V has 24 (often separated as 20 and a 4 add-on), an adapter works well so you modify only it, not the supply and also gain at least one of the additional +12V lines.  Netgear replaced those pins with +12V for a reason, and without doing something, you'll only have one instead of three +12V lines.  On a PC, the drives have separate wires for 12V.  On the NAS, they don't.  I recommend using a 24-pin to 20 pin adapter and connecting the additional +12V (yellow) wire in the +4 part of the 24-pin connector to the location where the blue or white was removed (white is closer).  You can do that by removing/replacing pins or by solder splicing (and properly insulating). the wires.

Message 2 of 4
SamCarter
Aspirant

Re: Power supply pin modification for ReadyNas NV+

Thank you!!! I did as you suggested and the ReadyNas is up and running again! In the process I also realized what was meant by the "extra" yellow wires from the 4-pin connector but I didn't end up needing them. I kept thinking they should come from the four extra pins on the 24 pin connector but there was only the one yellow there. Anyway, I'm back in business and copying my data now. 🙂

2018-05-29 23.05.30.jpg

 

 

Message 3 of 4
Sandshark
Sensei

Re: Power supply pin modification for ReadyNas NV+

If you are modifying a flex ATX supply (which normally has only a 20-pin connector) for internal use on the NV+, then the CPU power connector (that's what that one is) is the best place to get the extra +12V.  But for short-term use, just grabbing one extra from the +4 seems to work just fine.  I powered one with 4 older Seagate Enterprise drives that way, and I can't imagine anything taking more power than that.

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