Power sw, Reset sw, Power led, and HDD led on Dell Precision T3500 motherboard

jaa228 · Nov 20, 2014

I am building a very low budget machine with my brother. We are reusing a case from a HP Pavillion A000 and the motherboard from a Dell Precision T3500 (Mobo:9KPNV). I need to know where do I plug in the Power sw, Reset sw, Power led, and HDD led?

Computer specs:
CPU: Xeon W3520
MOBO: Dell 9KPNV
RAM: 3 x 4GB DDR3 1333mhz
GPU: Geforce GTS 450
HDD: WD 500GB Sata 3 7200rpm
PSU: 365w
ODD: DVD writer
CASE: Reused from HP Pavillion A000

This computer is being built for ~$100.

I found the manual for the T3500 on google but it just shows where the front panel cable plugs into the motherboard but doesn't explain which pin is for what.

I know this is a challenging question but I really appreciate anyone who helps.

Thanks

Dark Lord of Tech · Nov 20, 2014

The Precision T3500 uses a proprietary PSU and motherboard.

They are made only to pair with each other.

The connections aren't the same as a standard ATX board.

jaa228 · Nov 20, 2014

Thanks for your quick response. I found a converter for the PSU, but I may just buy an original Dell T3500 PSU anyway because I doubt the 365W PSU will be enough.

My question is how do I connect the power button from the HP Pavillion A000 case to the motherboard?

Raydontplay · Dec 5, 2014

i am having the same problem!! did you ever figure out how to fix this?

Dark Lord of Tech · Dec 5, 2014

The Precision T3500 uses a proprietary PSU and motherboard.

They are made only to pair with each other.

The connections aren't the same as a standard ATX board.

Silvertigre2010 · Dec 16, 2014

I am building a Home Media PC, I have the same CPU/Mobo check this link, there is a guy here who shows where the PINs are, at least to power on the PC.

http://en.community.dell.com/support-forums/desktop/f/3514/t/19589015

Silvertigre2010 · Dec 16, 2014

quick thing how do you remove the front panel cable from the motherboard...? do u pull up the yellow ribbon by itself or do you have to press as well, because for the life of me I can pull this thing off the mobo......LOL

Eugene19956 · Mar 2, 2016

jaa228 :

I have a same problem - I want to use standard PSU. Did the converter really solve the problem? It is 20-pin instead of 24pin

Eugene19956 · Mar 2, 2016

The converter was built for old motherboards. Is it appropriate for T3500? Or this PSU Dell Power Supply Optiplex 740 745 755 MH300 H275P-01 P/N-L2767F3P 275W - is it Ok for T3500? I meen pinout of the PSU not power

Eugene19956 · Mar 2, 2016

Can I use Centrix converter http://www.centrix-intl.com/details.asp?productid=55 with standard PSU for T3500?

xXBananasXx · Oct 23, 2016

Sorry for commenting on an old thread, but did that Centrix converter work for it?
I'm just slightly confused because the T3500 Motherboard has a 24 pin connector, not a 20pin.

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Power sw, Reset sw, Power led, and HDD led on Dell Precision T3500 motherboard

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