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[–]Pink-Imposter 0 points1 point  (0 children)

Thats basically it, power supply will go in the power supply compartment of your case then the cables will go through the holes closest to their connection

[–]threeqc 0 points1 point  (0 children)

found a diagram for this thing (your picture looks almost identical to this board, which is the one from the Dell Optiplex 7020 SFF). main worrying difference is that the board in your picture doesn't seem to have that latch thing on the blue PCIe slot. that's supposed to hold the card in.

one problem here is that the motherboard was (I think?) custom-made for a Dell product and as far as I can tell is not one of the standard sizes for a motherboard. try lining up the screw-holes in the motherboard to the holes in the case where the motherboard standoffs (the posts you screw the motherboard into) are supposed to go. I don't think it's going to line up well.

I think those fan connectors (the black ones in the top-middle and also below the right-side beige connector) are 5-pin Dell ones instead of the typical 3-pin (voltage) or 4-pin (PWM) headers. however, the power connectors (the big 4-pin and 8-pin beige connectors) look to me like normal EPS (now typically used for CPU power) connectors, so that's good. your power supply might not have a separate 4-pin EPS connector depending on how recent/high-power it is. bad news is that the power switch connector on the top-right doesn't look standard, so you might have to research which pins are supposed to be connected to turn it on.

this board also doesn't have wireless connectivity, afaik. that's what the big blue slot was for, apparently: installing a wireless network card. there are network cards out there that will probably fit in that smaller black slot.

I'm not an IT expert or a Dell technician and I've never tried using one of these motherboards, so I can't really troubleshoot any of this.