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X99E-ITXac not booting
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Xaltar View Drop Down
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Joined: 16 May 2015
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    Posted: 06 Dec 2016 at 2:06am
You would think but cheaper PSUs power connectors are quite soft and are very easy to force in there. I have tried it myself on budget (known brand) PSUs and it's way easier to do than it should be. Obviously I didn't try to power them up but I saw a user with this confusion and figured it shouldn't even be possible right? Wrong...... Did it require more force? Yes, but more force than a higher end better quality component that has a snug fit? Not really.....

Very disturbing, especially with more and more people coming to the dark side and building their own systems. This issue needs to be addressed IMO. Some PCIe connectors have the last 2 blocks on the upper right (with the catch on top as shown in the pic) fused into one which should prevent this entirely, lets hope that catches on.
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Originally posted by Xaltar Xaltar wrote:

Here is a comparison shot, as you can see there are a lot of differences, unfortunately it is possible to force either into the wrong connector, the physical shape differences are not enough to prevent it Shocked


A user would need to lean on the connection/board damned hard to make that happen.

Somewhere before he cracked the MB I would like to think "Common Sense' would take control of his exhaustive efforts and make them re-consider.
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Joined: 16 May 2015
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Originally posted by kroupouk666 kroupouk666 wrote:

The doc should have a note: DO NOT PLUG PCIE cable into that ATX slot ;-)

You would be surprised how often we warn people about that here. 



Here is a comparison shot, as you can see there are a lot of differences, unfortunately it is possible to force either into the wrong connector, the physical shape differences are not enough to prevent it Shocked
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Points: 9 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kroupouk666 Quote  Post ReplyReply Direct Link To This Post Posted: 05 Dec 2016 at 11:33pm
I guess I got confused by the fact the MB booted without the P4/P8 cable.

Physically the PCIE cable of the PSU is the same than the P8 cable. 

That's the second thing that confused me... The PSU went in shorting mode and did not start. 

The doc should have a note: DO NOT PLUG PCIE cable into that ATX slot ;-)
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Originally posted by parsec parsec wrote:


If only everything was this easy... Wink


Now. Now! Don't get me started.
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Originally posted by kroupouk666 kroupouk666 wrote:

Connected the P4 connector from the BQUIET SFX PSU - Now it boots properly... U can close this call... It's solved!


If only everything was this easy... Wink
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Originally posted by kroupouk666 kroupouk666 wrote:

Connected the P4 connector from the BQUIET SFX PSU - Now it boots properly... U can close this call... It's solved!


Great to hear.
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Connected the P4 connector from the BQUIET SFX PSU - Now it boots properly... U can close this call... It's solved!
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I can test with an another PSU with a P8 connector. Is it what I need ?
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Originally posted by kroupouk666 kroupouk666 wrote:

Yeah memory fully inserted...

If the PCIE 12v connector is not in the card starts... If it's there, it never start. Will add a few pictures tomorrow.



Is this your PSU:

http://www.bequiet.com/en/powersupply/493.

if so, your PSU only has one four pin CPU power connector. Your PSU does NOT have an eight pin CPU power connector.

That is fine, just be sure to put the 4 pin CPU power cable into either the right or left four openings on the mother board CPU power connector.

Your PSU has one six/eight pin PCIe/video card connector.

The specs for your PSU are confusing. It shows it as a single rail 12V design, but it then shows 12V1 and 12V2 rails, at 17A and 16A respectively. That means one 12V rail is good for 204W, and the other 192W. But the combined load for the 12V rails is 360W. Adding the single power rating for each 12V rail is 396W.

A 400W PSU for an X99 system is really quite small.
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