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New build won't post

  • Motherboards
  • Hewlett Packard
  • Product
Last response: in Motherboards
March 9, 2012 5:58:43 AM

So I just ordered a new mobo BIOSTAR A880G+. I have an old HP ProLiant ML115 case that I wanted to put it in.
I also ordered some ddr3 mem and a new am3 socket proc. I assembled everything, hit the power button, and...nothing. I know the psu is good because I had to put the old build back together to post this. I also know the proc and mem are good. I'm thinking that it might have something to do with the front panel connector. The ProLiant has a 18 pin connector for it. The BIOSTAR only has a 16 pin connector. Would that be a problem? And I don't know if it makes a difference but there is a pin missing on both, only it's on the opposite side comparing the two. But both have it 3 pins back from the opposite side of where the power/reset pins are. Another thing is that when I had the new build together and plugged in the power cord, normally, the yellow HD light shines very bright, but it was very dull with the new build. Also, the last 2 slots (9 & 18) on the end of the cord coming from the ProLiant made it so I couldn't plug it into the BIOSTAR's connector. There were no wires in those slots so shaved it off. That shouldn't make any difference should it? Anyway, if the yellow HD standby light is coming on, if only dimly, that means it's getting some kind of power I suppose. And if the board is not DOA shouldn't at least the fan start to spin when I hit the power button? Or is the cord coming from the Proliant just not compatible with a 16 pin front panel connector and can't close the circuit for the board to power on? I was thinking maybe because the missing pin was on the opposite side of the two that maybe the power/reset where opposite as well. So I tried flipping the cord so the reset slots connected to the where I know from the BIOSTAR's manual the power pins are. Still nothing. I'm about to RMA the board unless you guys can tell what I'm missing. Thanks!

More about : build post

a b V Motherboard
March 9, 2012 6:32:44 AM

Please provide your complete system spec.
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a b V Motherboard
March 9, 2012 6:52:35 AM

Most cases do not come with 16 or 18 pin connectors. Usually it is a group of two pin connectors for each function, and maybe a 4 pin with two wires for the speaker.

Sometimes the power switch and led connectors are joined in a 10 pin block. Most likely what you have is a HP customization that you are trying to plug into a standard board.

This means it will act the same in any standard "off the rack" board. It could be made to work, but it would take quite a bit of careful modding to the connector. Or you could just get a new standard case and be done with it.
March 9, 2012 6:54:46 AM

Try and take a flat head and bridge it accross the pins on the bottom of the motherboard where the HDD light, reset button, speaker and power are. I'm assuming you just plugged in those in the wrong way.
March 9, 2012 7:11:09 AM

You mean by 'bridge' just touch the 2 that are for the power with the flat head?? I won't damage anything if I touch the wrong thing will I?
March 9, 2012 7:55:56 AM

Best answer selected by chatonka.
a c 331 V Motherboard
a b α HP
March 9, 2012 8:18:21 AM

This topic has been closed by Nikorr