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It makes no sense to me

post #1 of 6
Thread Starter 
So basically I have an i7 875K with MSI P55-GD80 that I am attempting to upgrade out of... the complete system works and has been working for a while now.

So I take the motherboard out and install the MSI Z68A-GD80 and the 2600K, hook all the wires back up, the 24pin, the 8 pin and even an extra 6 pin for the power plug right above the x1 slot at the top of the board... And nothing, the board will blink a motherboard light but do nothing else and even my fans won't spin up!

So I replace the 24 pin wire and still the same... replace the ST1000-P with another working 1000w PSU and still nothing... again not even the fans and pumps come on... although throughout all this the lil green light for the power button on the motherboard remains lit and when I hit the power button the CPU phase LED's briefly light up and turn off.

After taking the motherboard off thinking it was a short and various other iterations of taking RAM out, changing slots, and even connecting and disconnecting stuff I get goofy and pull out a lovely HEC 500watt power supply.

I unplug NONE of the other wires connected to the Silverstone I have that is not responding... so all the wires except the 24 pin were connected to the motherboard, in place of the 24 pin for the Silverstone I plug in the 24 pin for the HEC - all just to see if there was even a glimmer of life...

So I then turn on the HEC (with the Silverstone having no connection to a wall outlet at this time)...suddenly the waterpumps in my loop come to life, all the fans spin up and the motherboard boots up and I can get into bios...

What the efffff!!!!! So basically every accessory connected to Silverstone PSU comes to life when I plug in the HEC power supply to the 24 pin on the motherboard?????

It is late and my brain needs a rest but that is where I am currently and confused once again... an easy swap of motherboard and processor turned into an adventure and unsolved mystery...
    
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post #2 of 6
nvm
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post #3 of 6
Quote:
Originally Posted by werds View Post
So basically I have an i7 875K with MSI P55-GD80 that I am attempting to upgrade out of... the complete system works and has been working for a while now.

So I take the motherboard out and install the MSI Z68A-GD80 and the 2600K, hook all the wires back up, the 24pin, the 8 pin and even an extra 6 pin for the power plug right above the x1 slot at the top of the board... And nothing, the board will blink a motherboard light but do nothing else and even my fans won't spin up!

So I replace the 24 pin wire and still the same... replace the ST1000-P with another working 1000w PSU and still nothing... again not even the fans and pumps come on... although throughout all this the lil green light for the power button on the motherboard remains lit and when I hit the power button the CPU phase LED's briefly light up and turn off.

After taking the motherboard off thinking it was a short and various other iterations of taking RAM out, changing slots, and even connecting and disconnecting stuff I get goofy and pull out a lovely HEC 500watt power supply.

I unplug NONE of the other wires connected to the Silverstone I have that is not responding... so all the wires except the 24 pin were connected to the motherboard, in place of the 24 pin for the Silverstone I plug in the 24 pin for the HEC - all just to see if there was even a glimmer of life...

So I then turn on the HEC (with the Silverstone having no connection to a wall outlet at this time)...suddenly the waterpumps in my loop come to life, all the fans spin up and the motherboard boots up and I can get into bios...

What the efffff!!!!! So basically every accessory connected to Silverstone PSU comes to life when I plug in the HEC power supply to the 24 pin on the motherboard?????

It is late and my brain needs a rest but that is where I am currently and confused once again... an easy swap of motherboard and processor turned into an adventure and unsolved mystery...

What the fudge....... All i can think of is maybe the silverstones 24 pin is shot maybe?
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post #4 of 6
Thread Starter 
Quote:
Originally Posted by Jzkillzone23 View Post
What the fudge....... All i can think of is maybe the silverstones 24 pin is shot maybe?
That is what I thought so this morning I pulled the motherboard tray out of the case and setup with JUST the silverstone PSU I plugged in only the 24 pin and the 8 pin. Green light on the power on button comes on so I hit power and it flashes the cpu led lights for half a second and then off.

So I try my backup 24 pin and 8 pin wires same deal. I try then both sets of 24 pin and 8 pin wires on my backup Silverstone PSU (same model as the original) and exact same result. I connect the HEC and get the EXACT same result...

So at this point I am frustrated and try one last time with the original wires setup as they were before I pulled the P55-GD80 out of the case... no go, so I give up and slide the P55-GD80 and 875K back in using the same silverstone powersupply and 24 pin... and as of this moment I am currently in windows posting about what makes no sense to me.

The most curious part is how with the HEC connected only through 24 pin and the silverstone not connected to the wall but all other wires connected to peripherals and motherboard that the system booted into bios and all the fans and pumps turned on and ran...

So does this mean there is a problem with my motherboard and I should RMA? Is there something to the fact that possibly the 6 pin wire or connector on the new motherboard is the culprit? The only thing I missed to check was to try and boot the motherboard using just the HEC 24 pin and 8 pin but at this point back on a currently working system with everything else the same I am not sure I can point my finger at anything except for the motherboard simply because this doesn't make sense... the only items different are the motherboard and processor!

*Sidenote* If it wasn't for the awesome removeable motherboard tray from my Case Labs build and for having a pair of Koolance Quick Disconnects, this would have become an exercise in punching holes through the wall...
Edited by werds - 6/4/11 at 12:19pm
    
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post #5 of 6
Sounds like a short to me.
Bye Bye 775
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Bye Bye 775
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post #6 of 6
Thread Starter 
Well whatever it was- Newegg tested it when I RMA'd and decided it didn't work properly either =/ So now waiting on replacement motherboard.
    
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