Is this normal for 24 pin connector?

N

nepts2

New Member
out of 24 pins, i found that 1 pin is empty( without metal thing...) But there were 2 power lines connected in 1 other pin. i looked up other pictures but some were same as mine but some were different... Should I get a new power supply?

This is Antec smartpower 2.0... It came free with Antec Sonata 2 case

Thank you.
 
Last edited:
nepts2 said:
out of 24 pins, i found that 1 pin is empty( without metal thing...) But there were 2 power lines connected in 1 other pin. i looked up other pictures but some were same as mine but some were different... Should I get a new power supply?

This is Antec smartpower 2.0... It came free with Antec Sonata 2 case

Thank you.
Click to expand...

Having one pin empty is common, I don't know about two wires on one pin though, but that's not something that could have been done by mistake, so I wouldn't worry.

However, power supplies that come with cases are notoriously unreliable... often dead, die within months, or some have even been known to fry a whole system... I always trash the PSU that comes with a case.
 
Got the picture

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MOST connectors have a single pin missing/blocked off for the purpose of preventing you from plugging it in upside down.

Just use your eyeballs, and make sure the same pin is missing on the mainboard before you plug it in.
 
Thx

Thank you so much. Now Im relieved.

I just took a look at my mobo (GA 965P S3) but every pin looked same... Well, I know which side goes where so I guess it doesn't matter.

Thank you again.
 
heyman421 said:
MOST connectors have a single pin missing/blocked off for the purpose of preventing you from plugging it in upside down.

Just use your eyeballs, and make sure the same pin is missing on the mainboard before you plug it in.
Click to expand...

A lot of connectors do, but that's not why a power supply connector does... you can only plug it in one way anyhow, notices how some of the connectors are square, and some a tapered? Won't fit anyway but the right way.
 
Some mainboards don't have a plastic shroud around the connector, tho

just the pins sticking out, in which case you could still plug it in upside down/on the wrong pins
 
yes it would, because the connector has a cap over where the missing pin would plug in, so it can only be connected when the missing pin coincides with the cap

look at a ATA/IDE cable
 
I'm afraid I don't understand how that would work... can you find a picture of the connector that you have described?
 
That missing pin has nothing to do with keying the connector. It was traditionally used for the -5V rail. Since the -5V rail was discontinued from ATX specs in revision 2.0, most new PSUs don't have it, and hence have a missing pin.

ATX connectors are indeed keyed, but it's through the shape of the pins, not the missing pin.

It's not a problem though, it's perfectly normal to be missing that pin.
 
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