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360 Drive To Atx Motherboard Power Connector


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#1 dimsteryor

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Posted 28 April 2012 - 03:11 PM

Hi
I want to connect my xbox 360 drive to an old watt PSU in order to power it up. In fact I have 2 of them. One is 400W and the other one 300W, But I want to know if its safe to make an attempt.

I know the pinout from the xbox 360 drive power cable and the psu atx pinouts in order to connect them. If I connect them safely is there any problem? Does my PSU need to output exact values of 12V, 5V and 3.3V?

I am asking because I used a multimeter and i see that one psu outputs 11.36V, 5.25V and 3.42V insead of 12V, 5V and 3.3V respectively. The other one outputs 12.01V, 5.28V and 3.36V.

Do I have to care about the Amps of my PSU?

I used to have ck3 pro but I have sold it. I dont want to spend money for this again. Also I do not want to connect the drive to xbox 360 motherboard for the obvious reasons.

I have and example from a dude in youtube
Thank you

Edited by dimsteryor, 28 April 2012 - 03:12 PM.


#2 rilski

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Posted 30 April 2012 - 11:30 AM

I actually did this mod just last night.

I soldered the 12v and Ground points from the 360 board to an ATX PSU. It had a 12v 14 amp rating. The 360 is a Zephyr version. I manually powered on the ATX psu then turned on the 360 via the RoL button.

Then I smelled something burning from the 360, but no smoke came out since I quickly cut off the power.

I guess I shorted something out, but I tested the soldered points from the 360 board, and It had no shorts though.

Good luck!

#3 NLT89

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Posted 01 May 2012 - 01:26 AM

Why not wire to a molex or sata?

#4 dimsteryor

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Posted 01 May 2012 - 12:25 PM

Molex does not output 3.3V. I searched the site and I see that you need a dropout voltage regulator.

Sata power cable from the psu does output 3.3V. http://pinouts.ru/Po...er_pinout.shtml

Can I use sata as source?Is it safe?

#5 rilski

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Posted 01 May 2012 - 02:35 PM

To be sure, measure it with a multi-meter. As long as it provides "stable" 3.3v, then it's no problem.

#6 NLT89

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Posted 01 May 2012 - 07:42 PM

I did try the SATA method but no luck for me, hope you have some better results as it should be possible if you know how

#7 hardrock351w

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Posted 03 May 2012 - 05:40 PM

ok guys,...If ya want to do this right and not fry your drives, then check out post #4 from RDC:

http://forums.xbox-s...howtopic=651212

I've done this mod years ago and it still works fine.






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