Question about StarTech.com (ATXPOWER250) 250-Watt Power Supply

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Atxpower250 I want to use this power supply to power an alarm annunciator (not a PC) I need a wiring diagram, to modify , (eliminate all but a 12vdc 100watt constant output)

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The Yellow wires are 12v and Blacks are grounds..

Posted on Apr 30, 2008

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Want to use the atx-300-12z as a hobby power supply. Need 12vdc.


You're asking for a fire or just burning out the power supply. But,at your own peril, check the yellow wires for 12v or buy a power supply test adapter from ebay. It bypasses the power switch usually done by the motherboard & will fire up the power supply like it was connected to a board. Then test the wires for 12v. Should be any yellow wire,red is 5v. Green is 3.3 or 3v.

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No power


ok dandan, please tell me you live in nj. I am having the same problem with my puter and did every step you did what is up with this??

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1 Answer

Blinking power supply LED


Your power supply is fried. I had the same problem with my Bestec ATX 250 power supply. I fixed the problem by installing the StatTech model: ATXPOWER250. It was easy to install and works well. It is almost identical to the original but more quiet. I got it for $29 at MicroCenter.com. Also at online Newegg.com, Radioshack.com, Provantage.com, June 20,2009

Jun 07, 2009 | HP Bestec ATX-250-12ZD 250w HP Pavillion...

2 Answers

HP Mod a500n PC, flashing green ps light


Your power supply is fried. I had the same problem with my Bestec ATX 250 power supply. I fixed the problem by installing the StatTech model: ATXPOWER250. It was easy to install and works well. It is almost identical to the original but more quiet. I got it for $29 at MicroCenter.com. Also at online Newegg.com, Radioshack.com, Provantage.com, June 20,2009

May 20, 2009 | Bestec (ATX-250-12E) 250-Watt Power Supply

2 Answers

W2888 emachine just shut down as if it were unpluged


THE LITTLE LIGHT ON THE MOTHERBOARD SHOULD ALWAY BE ON. THE FAN ON THE POWER SUPPLY RUNNING NORMAL OR FAST.
DID YOU ADD ANY NEW DEVICES TO YOUR COMPUTER LIKE UPGRADING THE RAM, VIDEO CARD, NEW INPUT DEVICE.

NEED MORE INFORMATION.

ROD

May 12, 2009 | Bestec (ATX-250-12E) 250-Watt Power Supply

2 Answers

Use nps-330ab for a normal power supply


You need to ground pin 14 momentarily to turn the power supply on. Pin 10 provides +12v, pin 12 provides -12v. Diagram here.

Apr 15, 2009 | Dell Power Supply 330 Watts nps-330cb...

1 Answer

I just need a schematic for the ATXpower250 power supply.


http://www.helpwithpcs.com/courses/power-supply-basics-inc-pinouts.htm#atx-psu-pinouts

Jan 20, 2009 | StarTech.com (ATXPOWER250) 250-Watt Power...

2 Answers

Powers on and turns off 10 - 20 seconds ?????


Check the power supply first, unplup the cd dcd components and try your pc this way,
Check the cpu fan also as this sounds as if the cpu is reaching critical heat ranga and is shutting down the system to protect it self

Dec 19, 2008 | Bestec (ATX-250-12E) 250-Watt Power Supply

1 Answer

Power supply burned up


yes because the spare parts are not compitible and as it is burned if you opened it, warranty will void please give it as the condition

Oct 27, 2008 | StarTech.com (ATXPOWER250) 250-Watt Power...

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