PSU compatiblitliy with OEM HP h8-1234 (very worried)

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Fullmetal_Alchemist

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I just ordered all the parts to upgrade my OEM HP h8-1234 computer http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c03359045#N90
After further research I found out that almost all PSU's are incompatible with this thing. I just ordered a Corsair cx750m PSU and a new case to fit it and a radeon 7870. What will I have to do to have a compatible PSU setup in this PC. I know very little about this incompatibility thing and am worried I will have wasted my money. Could someone please help me to reach a solution to this?
Thanks

p.s. Everything is currently in the mail that I ordered
 
Solution
Eximo
They seem to be describing more of an electrical issue rather then a proprietary ATX specification.

If it really does require 12.2 volts to turn on then it is out of spec. A board should still fire up at as low as 11.4 volts.

Not much you can do but give it a try.
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Eximo

Eximo

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Claims to be standard ATX, and I see nothing strange about the ATX connectors on the motherboard. Should be fine.

The supply you purchased will have a 24pin connector and a 4 or 8 pin CPU power connector. I think I see the 4pin supplemental power for the CPU in the picture. (the black square at the upper left of the CPU)
 
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Fullmetal_Alchemist

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I have been reading stuff about this motherboard being "proprietary" which caused many issues for others around the internet. I am worried that, for some reason, the motherboard and PSU would be incompatible...
This here is the problems I am talking about. http://www.tomshardware.com/forum/349223-28-corsair-tx650-1234-working
 
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Eximo

Eximo

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They seem to be describing more of an electrical issue rather then a proprietary ATX specification.

If it really does require 12.2 volts to turn on then it is out of spec. A board should still fire up at as low as 11.4 volts.

Not much you can do but give it a try.
 
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Fullmetal_Alchemist

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Ok, I'll try it when my parts arrive. Thanks for helping me so far. If all works out I will select you as best answer.
 
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