Difference in voltage in 4-pin and 8-pin CPU connector

In reassembling my comp with the new P6T Deluxe motherboard from ASUS, I noticed I had some damage to the 4-pin PSU connector that powers the CPU from my original board. 2 of the 4 pins were burnt and I would assume that this was the cause of the failure in posting that caused my RMA to ASUS.
Before shipping the board back, I failed to see this damage and as of now have not heard on a cause from ASUS but I assume I did nothing wrong since they did ship a new board. However, the new board uses the 8-pin connector for the CPU as opposed to the 4-pin connector.
My question would be what is the difference in the voltage draw since I run a medium overclock on the CPU when folding? My temps were in the mid to upper 60's C on various temp monitoring apps so I feel my cooling is sufficient for the overclock.
Should I be worried about voltage draw through the connector since the first board had this damage? (Even though the connector is the 8-pin rather than the 4-pin.)
I'm using a PCPower and Cooling 860 Turbo as the PSU. As far as I know these units are rock solid and under-specced as to power usage claims.

Both pictures below show the same 4-pin connector in the lower left hand corner outboard of the heat pipe curve. (It almost looks like a cap is covering the lower 4 pins and there were no instructions in the manual for this.)

My original ASUS P6T Deluxe Version 1 - http://www.newegg.com/Product/Image...luxe LGA 1366 Intel X58 ATX Intel Motherboard

ASUS P6T Deluxe Version 2 - no change - http://www.newegg.com/Product/Image...e V2 LGA 1366 Intel X58 ATX Intel Motherboard

 

Agreed - that 860 Turbo is top shelf equipment.

From what I'm seeing in some of the O/C forums, that 4/8 pin connector is a source of a lot of confusion (the Asus manual and FAQs are especially vague about it) - about the only thing I can glean is if the PSU has an 8-pin plug, then use it, especially if you're overclocking.

If that makes any sense. :confused

 

The PSU does have the 8-pin connector which is being used now.
Hopefully with the additional 2 hot pins, the voltage/amperage will be spread out and reduced per pin so the connector holds up to the overclock better.
Thanks for the response Caliban.

 

Hi Ibmest,

You are close in your assumption but the real reason for extra voltage leads/connections is to reduce signal mixing in the leads due to the IR drops across the leads. There is a lot more to this if you want to investigate further.

Luck, Jim

 

If you have some links or material on this, I'd like to learn what the difference is jlphlp. TIA