PSU pin.

[CrossLOPER]

I was trying to upgrade the power supply on one of my weaker computers and noticed that the PSU in that computer had a small rectangular connector that was not present on the newer PSU. The port on the motherboard resembles the small white port on my GTX260, which is next to the two power connectors.

What does it do, and can I just ignore it?

[al Roumi]

I was trying to upgrade the power supply on one of my weaker computers and noticed that the PSU in that computer had a small rectangular connector that was not present on the newer PSU. The port on the motherboard resembles the small white port on my GTX260, which is next to the two power connectors.

What does it do, and can I just ignore it?

Was the port in the old PSU connected to anything, eg the GTX260 or Mobbo? I may be being thick but I didn't understand wheteher it was or not from your message.

If it wasn't connected up, I'd be surprised if it was an issue.

[CrossLOPER]

I hope this helps.

Old PSU:
Has a little 2-pin connector that attaches to a port on the motherboard next to the main power port. Also has a four-pin connector.

New PSU:
Does not have little connector.

Issue: What is this thing and why can't I find a PSU that has one?

[drone]

What model is your new PSU, and what form-factor is it designed for? Sounds like your old PSU (and therefore motherboard) is a ATX12V 1.X form-factor. If I'm not mistaken, the 4 pin supplies more power to the CPU, so it is probably necessary. How many pins does the new PSU big connector have?

[CrossLOPER]

Old: 24, 4 and 2 pin connectors
New: 24 and 4 pin connectors

[drone]

Ah, my bad. I thought you meant the 4 pin connector was missing. Is there any kind of text near where the 2-pin connector plug on the motherboard? I don't think this is necessary, but it's strange. Do you have a user manual for the mobo?