Gigabyte GA-B75M-D3H 12 v power connector problem

Darian Vs · Jul 10, 2013

hi
i bought a gigabyte GA-B75M-D3H mobo. i did not no until i opened the package that it was a rev 1.1
http://www.gigabyte.in/products/product-page.aspx?pid=4315#ov

but the one i browsed while looking for this board was a rev 1.0

http://www.gigabyte.in/products/product-page.aspx?pid=4150#ov

i didnt know that two versions existed until i opened the package. the rev 1.1 has a 8 pin power connector whereas the 1.0 has a 4 pin. my psu is a Corsair VS450
http://www.corsair.com/us/power-supply-units/vs-series-power-supply-units/vs-seriestm-vs450-450-watt-power-supply.html

what should i do pls help

JobCreator · Jul 10, 2013

8-pin power connectors accommodate both 8 and 4 pin power.

JobCreator · Jul 10, 2013

Look inside the motherboard manual. Find the section on connecting power describes which 4 pins to connect a 4-pin power cord. That oughta do.

JobCreator · Jul 10, 2013

http://download.gigabyte.us/FileList/Manual/mb_manual_ga-b75m-d3h_v1.1_e.pdf If I'm reading this correctly, you'll want to connect that 4-pin to pins 3, 4, 7, and 8. Page 13/32. Pins 1, 2, 5, and 6 are for 2x4pin connectors, meaning the other 4 pins of an 8 pin connector would go there.

johnnyq1233 · Jul 10, 2013

You would use the right 4-pins for the power.
It's the only one that the plug will fit as it has the square index on the top right corner.
I think your system should be ok on one 4-pin plug.
JQ

JobCreator · Jul 10, 2013

johnnyq1233 :

Jynx. Owe me a coke. :bounce:

Calvin7 · Jul 10, 2013

1) Use an adapter
StarTech 6in 4 Pin to 8 Pin EPS Power Adapter
http://www.amazon.com/StarTech-6in-Pin-Power-Adapter/dp/B002O21XHQ/ref=sr_1_1?s=electronics&ie=UTF8&qid=1373506433&sr=1-1&keywords=StarTech+6in+4+Pin+to+8+Pin+EPS+Power+Adapter+with+LP4+-+F%2FM+%28EPS48ADAP%29

2)Just use pins 3,4,7 and 8. Overclocking can generate excess heat causing the 4-pin connector to burn/melt.

3) Use a different power supply

Darian Vs · Jul 10, 2013

johnnyq1233 :

then there is no prob in leaving the first four pins? i wont be overclocking as b75 chipset dosen't support it. for normal usage its ok right? should i cover the first four pins or leave them open?

johnnyq1233 · Jul 13, 2013

I've left mine open before...never had a problem....
But I would recommend to save for a proper supply for future...
Your supply will be older as it only has the 4 pins.. so I don't know how long that will last anyways!
I follow a rule that my engine needs an oil change every 5 months (synthetic) so my power supply in my pc needs a replacement every 5 years.
JQ

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