Can I make up one of the connections?

FatRakoon

FatRakoon

FatRakoon

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Ok, I am in need of a new PSU, but I have a load of old ones.

Its only for piddling about, and I have a couple of very high quality yet old PSUs.

The Motherboard is an NF7S and the PSU does not have the extra 4 pin 12v connector on it.

I was wondering...

Can I cut the square 12v connector from a dead PSU and attach is to a working PSU to give me that connection?

The 12v connection I am on about is the one thats often called the P4 connection, and it has 2x12v and 2xGND i an square plug, and its NOT the extra pins for the 24Pin Mobo connector, its the other one.

I was thinking of simply adapting a Molex plug to it.

Is that ok?

Save buying a New PSU
 
FatRakoon said:
The 12v connection I am on about is the one thats often called the P4 connection, and it has 2x12v and 2xGND i an square plug, and its NOT the extra pins for the 24Pin Mobo connector, its the other one.

I was thinking of simply adapting a Molex plug to it.
Click to expand...

I have seen 4 pin atx power connector/adapters before so google for them and you should be able to pick one up for a couple of quid.They run off a molex.

Only thing i would say though is i would check about how safe this is to do and see if the adapter needs to be run on a single line off the PSU.
 
Superewza said:
http://www.overclockers.co.uk/showproduct.php?prodid=CB-033-AK&groupid=701&catid=48&subcat=153
Click to expand...

I doubt his psu will have pci-e if he doesn't have a 4-pin cpu power plug ;)

Anyway, like said before you can buy a molex to 4-pin plug already, it takes both the 12v from a single 12v on a molex and same again both grounds from 1 single ground on the molex plug.

I would advise probably just trying to buy one of them rather than make, but if you are confident with your soldering skills then should be safe enough to make this at home :)
 
Ok, the 20 to 24 Pin adapter is NOT what I was after I do indeed have plenty of those even though they are often not necessary and a 20 pin connection is often all thats needed even on 24 Pin Mobos.

Nor is PCI-E necessary either.

The 4-pin P4 connector, and it seems that since they are available, then I should be fine in knocking one up. Yes my soldering skills are very much beyond simple wiring such as this, the main issue here, is of having enough power as game4it suggests, and so, I will take it from the PSU board and solder it from there.

I do however have plenty of inline sockets to build one properly

As I said, its only for an old NF7S and its only for a temporary piddle about to save me buying a new PSU


Thanks all.
 
I was hoping an electrician would come along, but I'll do my best.

Two molex to one P4 adapter exist. Presumably this is viable then. I avoid molex to pci-e like the plague, and would be reluctant to use molex to P4 as a result. The issue is whether your supply can offer enough current on the molex rail without the voltage dropping significantly, varying more than 2% or so, and without the psu dying.

It is a good sign that they were high quality. How old, and how hard have they been run? psu do age, and if up to the task when new (very likely) it may well be incapable of it now. My hunch is that it'll work fine, though I would use the adapter rather than the soldering iron, and check the voltages under load with a multimeter once connected. The adapter reflects my limited soldering ability more than anything else.

The problem is that I can't offer a definitive answer, even if you tell me the age, and % load they were run at. So the best I can offer with confidence is "it'll probably be fine, but it might blow up if the psu is old and has had a rough life", hence the reluctance to post when I saw this last night.

edit: What're you on today Superewza? Second thread I've seen in a couple of minutes where you just haven't read the opening post
 
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