Guide: Jump Starting a PSU

[Rastalovich]

Be sure something is there to draw a load also, even if its just a fan.

 

[Joe]

yea our server requires a extra PSu to drive the new HDDS (over a terabyte now !!!) problem is our jump start requires a permanent short to keep it active (even with a hddand fan hanging off it)

lesson :: some psus are just fussy mofos

 

[Raging]

its hooked upto the phase unit control.

it might have some kind of feature stopping it from starting.

Raging.

 

[JN]

yea our server requires a extra PSu to drive the new HDDS (over a terabyte now !!!) problem is our jump start requires a permanent short to keep it active (even with a psu and fan hanging off it)

lesson :: some psus are just fussy mofos

Ye thats the same with all PSU's mate. If it's not hooked into a mobo, then you need to permanently short the green+black.

 

[Joe]

Ye thats the same with all PSU's mate. If it's not hooked into a mobo, then you need to permanently short the green+black.

thanks for the info .. i read a few guides that have suggested only jumpin it for a few seconds to catch the lot alas my experience and suspicion suggested otherwise .. thanks for the belief reinforcement man

 

[DavidT]

Bit of a bump here... but, how do I know which wire is which if the cables aren't color coded lol?

I have one of those Ultra FlexForce PSU's and all the cables are shiney UV blue.

 

[DavidT]

Bit of a bump here... but, how do I know which wire is which if the cables aren't color coded lol?

I have one of those Ultra FlexForce PSU's and all the cables are shiney UV blue.

http://ultraproducts.com/popupWin.php?noImg=7&sku=ULT31851&img_num=5

Sorry, hit reply instead of edit.

 

[Allsorts]

If your ATX connector has the pins numbered on the side of the connector (probably in very small print) then you are laughing.

See figures 6 & 7. You need to short pin 14 (PS-ON) to any ground (GND) pin.

EDIT: I suppose you have a 50:50 chance of getting it right if the pins aren't numbered LOL. PS That is a really smart looking PSU you have!

 

[DavidT]

If your ATX connector has the pins numbered on the side of the connector (probably in very small print) then you are laughing.

See figures 6 & 7. You need to short pin 14 (PS-ON) to any ground (GND) pin.

EDIT: I suppose you have a 50:50 chance of getting it right if the pins aren't numbered LOL. PS That is a really smart looking PSU you have!

Thanks, got it. They weren't numbered, but I just looked at the wher the cables were in the pictures, and put the Paper clip in the same holes, and it worked lol.

 

[Ham]

Most. Useful. Trick. Ever.

 

[WinMXer]

Cheap & safe ATX switching device.

If your looking for the proper tool for the job you could buy an ATX to AT connector cable. They cost only £3.50 +VAT from RS, stock no.444-7829. I've attached a small pic, sorry bout the quality, took it with my mobile.



It has a sprung latching switch & is dead easy to use, just plug your atx psu connector in & switch it on. I regularly use mine for all testing of PC related components without having to worry about shorting out my psu.

 

[Allsorts]

Yep, it's more convenient isn't it? I eventually bought a PSU bridging tool. Less hassle and a bit less ghetto than a paperclip.

 

[Rastalovich]

If your looking for the proper tool for the job you could buy an ATX to AT connector cable. They cost only £3.50 +VAT from RS, stock no.444-7829. I've attached a small pic, sorry bout the quality, took it with my mobile.

View attachment 1811

It has a sprung latching switch & is dead easy to use, just plug your atx psu connector in & switch it on. I regularly use mine for all testing of PC related components without having to worry about shorting out my psu.

That`s close to what I DIY`d, cept I put 3 molex connectors on it and powered a stack of drives off 1 psu

looks very similaro.

 

[xJonny]

Thanks useful to know for future!!

 

[qrst418]

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[haofeng]

this is a pure gold modding tip...this has just saved me lots of probs!

 

[MarkW7]

Thank you! Finally i don't have to drag my old PC out to test things.

 

[jayfunk]

hey guys.. great site you got here..

i really need some help here.. im trying for the first time to set up my watercooling and when i try to jump the pump nothing happens. the fans spin for one revolution then nothin. ive tried pin 4 and 6... and also 4 and 3 still nothin. this is beyond me i have no clue what im doing wrong.

please can someone help me with this

thanks so much

jay

 

[thestepster]

good guide mate

 

[Rogu.Nin]

Excellent tutorial, thank you mate.