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Motherboards and USB Y cable question

post #1 of 6
Thread Starter 
I'm sorry if this is the wrong section to post this question in but it seems better related to motherboards than all the other sections.

I have this USB Y cable lying around, and a regular USB hub that I want to use for charging phones/360 wireless reciever/wireless mouse/and powering my notebook cooler so I don't have to unplug as much stuff.



So, would using the Y cable in such a way that:
1) The main cable is plugged into the mobo to act like a normal usb port for all the input data
2) While the auxiliary cable is plugged into the mains using an adapter to provide the juice for all the stuff on the hub

Would this work? I don't want to risk frying my mobo by blindly trying it out.
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post #2 of 6
That how the power cable on my USB hard drive works. The first one is for power and data and the second one is if you have and older USB port and need more juice. I think that is what youre asking? thinking.gif
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post #3 of 6
Thread Starter 
Yes but in this case the second plug will be hooked up to one of these babies


And would a set-up like that pull power from the mains while only sending data to the mobo connection? basically having the mains provide all the power while using the first cable for the input devices.
Edited by bobuy00 - 8/6/12 at 10:51am
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Rice Rocket
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post #4 of 6
Yay, someone else started a thread about this so now I don't have to make a new one and the forum guys will love it too so they don't have multiple threads about the same topic, yay!!! smile.gif

That said, reviving this 4 year old thread because I ran into same situation atm...

I made this picture to ask the same as OP? So if someone could answer this one... It's not that I don't want to try it... but in my case it's for the Strix 7.1 headset so don't xwant to fry that one either tongue.gif

As an elctrician myself I assume it must work. Assuming that you cannot "overpower" your circuitery and the USB devs guys should be smart enough to put "fool proof" protection in it. Hey if WE can ask those questions I sure hope the smart engineers asked the same question when building USB stuff tongue.gif

Anyway here's the picture:

   
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post #5 of 6
Oh well I did it anyway as I was sure not too harm the stuff biggrin.gif

And it works. I mean, it did not explode (yet) --> still have to reboot to test it for 100% (it got kicked out after reboot), but cannot do it at this time)
   
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post #6 of 6
Shall I add this note...

Do remember that altho it is 2x 5V it has a tolerance of say 10% so the USB port on my PC may be 4.8V and the adapter may be 5.3V so there is a difference. That will result into 1 source delivering current into the other source (it's a fact, also at my job. But then with kWatts and MW wink.gif ) so if your usb cable has thin wires it MIGHT result in failure.

But in real-world situations it is unlikely it will happen to burn your wires...

Just be adviced
   
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i7 2600k 3.4GHz @ 5.2GHz ASUS P8P67 Deluxe (B3) SLi ASUS GTX780Ti DC2OC 16GB (4x 4GB) Vengeance 1866MHz @ 2133MHz 
Hard DriveHard DriveHard DriveHard Drive
C: Crucial MX200 250GB D: Caviar Black 2TB E: Spinpoint 750GB F: Raptor 150GB (Ubuntu 12.04 Dual Boot) 
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ASUS BD Thermalright Silver Arrow Windows 7 Ultimate 64-bit Asus PB278Q 2560x1440p 
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Logitech G11 Corsair 1kW Antec 1200 Logitech G600 
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Hard DriveOptical DriveOSMonitor
C: Crucial M4 256GB D: 1x Raptor 150Gb & E: + F... ASUS DVD + DVD(RW) Windows 7 Ultimate 64-bit ASUS 26" 1080p 
KeyboardPowerCaseMouse
Logitech Corsair 750W Antec 300 Logitech G5 
Mouse PadAudio
A4 paper :D ASUS Cine5 
CPUMotherboardGraphicsRAM
Intel i7 something something ASUS N750JV nVidia 750M 2x 4GB DDR3 1600 Kingston 
Hard DriveOptical DriveOSMonitor
C: Crucial MX200 mSATA 250GB + D: WD 1TB 5k4 E:... DVD-RAM DL C: Windows 7 64-bit, E: Linux Elementary OS Luna 17" 1080p 
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ASUS Optical USB 
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Main Laptop
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CPUMotherboardGraphicsRAM
i7 2600k 3.4GHz @ 5.2GHz ASUS P8P67 Deluxe (B3) SLi ASUS GTX780Ti DC2OC 16GB (4x 4GB) Vengeance 1866MHz @ 2133MHz 
Hard DriveHard DriveHard DriveHard Drive
C: Crucial MX200 250GB D: Caviar Black 2TB E: Spinpoint 750GB F: Raptor 150GB (Ubuntu 12.04 Dual Boot) 
Optical DriveCoolingOSMonitor
ASUS BD Thermalright Silver Arrow Windows 7 Ultimate 64-bit Asus PB278Q 2560x1440p 
KeyboardPowerCaseMouse
Logitech G11 Corsair 1kW Antec 1200 Logitech G600 
Mouse PadAudio
A4 paper :D Logitech Z-5500 
CPUMotherboardGraphicsRAM
Q9450 (2.6GHz to 3.8GHz) ASUS 780i Striker II Formula ASUS GTX 470 8Gb (4x2Gb) Dominators 1066MHz DDR2 
Hard DriveOptical DriveOSMonitor
C: Crucial M4 256GB D: 1x Raptor 150Gb & E: + F... ASUS DVD + DVD(RW) Windows 7 Ultimate 64-bit ASUS 26" 1080p 
KeyboardPowerCaseMouse
Logitech Corsair 750W Antec 300 Logitech G5 
Mouse PadAudio
A4 paper :D ASUS Cine5 
CPUMotherboardGraphicsRAM
Intel i7 something something ASUS N750JV nVidia 750M 2x 4GB DDR3 1600 Kingston 
Hard DriveOptical DriveOSMonitor
C: Crucial MX200 mSATA 250GB + D: WD 1TB 5k4 E:... DVD-RAM DL C: Windows 7 64-bit, E: Linux Elementary OS Luna 17" 1080p 
Mouse
ASUS Optical USB 
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