Question 20-pin (19pin) PSU not working with my 20-pin motherboard ?

sectio

Honorable
Jan 2, 2015
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Hello there,

i have this problem. I got an oldie workstation from 2010s and want to install XIGMATEK NRP-PC702 700W ATX12V v2.3 PSU but when I connect it it doesn't work. It's a 20+4 Pin psu with the one pin missing from the 20 Pin connector part (I read tht it's normal with newr PSU's, and that they should work with comuters built after 2003). Yet when I connect the PSU ant turn the power on It doesn't work. I know the PSU is responsive because I tried to short out pins 15 and 16 and the fan turns on, so the PSU should't be dead. On the motherboard I have 20 pins and on the PSU I have the socket of 20 pins wit the -5V pin missing, but as far as my google knowledge goes it should still work, or am I missing something out?

Another thing is when I check my motherboard on cmd it saus that it's HP 0B40h and in google I found that this MB has 24pin connector.. False source?
Doe's anyone know what is going on here and if I'm possible to somehow run the PSU on my rig?

Thank you in advance!

Hardware specs:
HP Z200 workstration
PSU that I try to install XIGMATEK NRP-PC702
Motherboard (as stated in cmd) Hewlett-Packard 0B40h

I add pics of writings on my MB, the old PSU (white socket) and the new PSU (black socket)

https://ibb.co/s1Rxd04


https://ibb.co/mJ5kCgZ

 
Last edited:
ill just redirect you here
 

sectio

Honorable
Jan 2, 2015
3
0
10,510
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Yeah, that's the mobo. Bummer, that HP uses only their own PSU's, that's so inefficient. Don't have the energy or time to DIY the socket adapter to ATX, so will have to change the whole rig i suppose. Thank you for answering my question!
 

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