GA-H97M-D3H PSU Pickiness

[dave_the_nerd]

Hi all. What am I missing here?

I have four power supplies: an EVGA 430w 80+, an Antec Basiq 450w, an Apevia 250 ITX-style PSU, and a 100w PicoPSU.

All four PSUs check out on my little tester, and they all power on my spare 'parts' PC. (A Sandy Bridge Celeron box.)

However, only the 250w PSU and PicoPSU will power on my GA-H97M. (i5-4690K / 16GB RAM. Nothing else plugged into the mobo or PSU.)

Works fine on the little PSUs, with the big ones, it's a paperweight.

What's worse is I tried "another manufacturer's" H97M-Pro4 and... same problem. So I don't think it's just a defective board. I mean, I thought I knew how to build a PC, but I guess not. 

Thanks for reading. Any help or advice is appreciated.

[dmdilks]

Some motherboards don't like some PSU. But in saying this get a 600w or higher PSU that way you be set if you want to a video card. You have to look at more the AMPS on a PSU first than the watts.

On the two smaller PSU do they have the 24 pin power plug or the 20 pin? Try on the two larger PSu just using the 20 pin part of the plug and see if that works.

[dave_the_nerd]

Some motherboards don't like some PSU. But in saying this get a 600w or higher PSU that way you be set if you want to a video card. You have to look at more the AMPS on a PSU first than the watts.

On the two smaller PSU do they have the 24 pin power plug or the 20 pin? Try on the two larger PSu just using the 20 pin part of the plug and see if that works.

Thanks for the response.

They all have 24-pin power connectors. The 2 smaller ones only have 4-pin auxiliary connectors for CPU power though.

I've tried all of them with 20 pins and 24 pins connected, except the PicoPSU, which doesn't have the option. (And with either 4 or 8 pins connected for CPU_AUX, and with it not connected at all...)

I'll swing by the store and see about changing for a beefier PSU, but I wasn't planning on adding a video card to this build, like, ever. (The build is for my dad, who has an old mans attitudes about children who waste time playing video games all day.  )

[dmdilks]

If you not going to add a video card. Than I would stay with 500w PSU it should be enough amps to run everything. it should be around 40 amps. How to figure out your amps & watts you 12v X amps. So 12v x 40 amps = 480w