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I have an older Cisco Systems power supply. output: +5v--3.0A,+12v--2.0A,-12v--0.2A, Max 30 W. I want to make silver water and I want to know what color wire is the +12v. theres 1 bare silver, 2 black,1 red, 1 white, 1 green,1 orange. anyone? thankx

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Power up the power supply an use a multi-meter to measure the voltage between the black wires and the other colored wires to determine the voltage on each of the colored wires.

Posted on Mar 22, 2011

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Can I tap a -5v into a BESTEC atx-250-12z-rev d2 power supply ?


The output from the power supply is
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How do i turn on a compaq ps-7231 power supply?


Pin Name Color
Description 1 3.3V Orange +3.3 VDC 2 3.3V Orange +3.3 VDC 3 COM Black Ground 4 5V Red +5 VDC 5 COM Black Ground 6 5V Red +5 VDC 7 COM Black Ground 8 PWR_OK Gray Power Ok is a status signal generated by the power supply to notify the computer that the DC operating voltages are within the ranges required for proper computer operation (+5 VDC when power is Ok) 9 5VSB Purple +5 VDC Standby Voltage (max 10mA, max 2A in ATX 2.2 spec) 10 12V Yellow +12 VDC 11 12V Yellow +12 VDC 12 3.3V Orange +3.3 VDC 13 3.3V Orange +3.3 VDC. ATX V2.3 / EPS12V V2.92 both define that the PSU has to use remote sensing to compensate cable drops on the 3.3V line. Because of this there is an additional brown cable crimped together with the orange cable either to pin 13 (ATX) or pin 1 (EPS12V). 14 -12V Blue -12 VDC 15 COM Black Ground 16 /PS_ON Green Power Supply On (active low). Short this pin to GND to switch power supply ON, disconnect from GND to switch OFF. 17 COM Black Ground 18 COM Black Ground 19 COM Black Ground 20 -5V White -5 VDC (this is optional on newer ATX-2 supplies, it is for use with older AT class expansion cards and can be omitted on newer units) 21 +5V Red +5 VDC 22 +5V Red +5 VDC 23 +5V Red +5 VDC 24 COM Black Ground /PSON activated by pressing and releasing the power button while the power supply is in standby mode. Activating /PSON connects the power supply's /PSON input to ground, thereby switching the power supply to full-on condition.

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Dear Sir, I have astec model AA23160 power supply input Ac 100-240 5A max output Dc +5v 23A, +12v 22A max it does not give output the LED give yellow when it is ON. the two cooling fans were also not...


Hi! l have have the same problem whit the Asctec model AA23160 power supply.But l need to know how many time your power supply worked: How many time do you use it?
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Pin Name Color Description


Yes this is a good list of the voltages to be expected from a newer power supply on just the main header

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MY COMPUTER JUST STOPEED AND I NEED 2 KNOW THE SPECIFACAITIONS ON THE POWER SUPPLY


If you are using latest system you need

Ac input : 220vac 3a 50hz

450watt minimum
Atx 2.03
Atx 12v

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Apr 16, 2008 | Computers & Internet

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My Computer does not work at all.


more than sure if you have replaced the power supply already and the computer still not working,there must be a electrical damage to the board.
it is sure that.but you have to check some other components too seeing that they are stuck in the board,like the procesor and ramm dims or the video card..the electrical charge may have affect them too.
but 1st thing to do is to change the mainboard..
oh by the way...just to be sure..try to make a bios reset..maybe it will work and pull out the ramms from the computer..put them back after...ussualy this works...
good luck and let me know about
bye

Feb 03, 2008 | ASUS A7N8X-E Deluxe NForce 2 Ultra 400...

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