Question about Guillemot Hercules Dual Fan ATX 450W Max Switching Power Supply(Buy any PCS ) (Buy 5 PCS Will $... (CSPWH450M) Power Supply

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Hercules switching power supply 500 wat max

What does 20/24 pin refer to in discribing connectors. my existing unit has several leads equaling 24 pins and one solid connecter with only 20 pins. the problem every solid connector is shown w/ 24 pins which would not fit in the 20 pin receptical.

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Yes 20 pin connecter power supply is ATX(advance technology extended )power supply and old which was low watt and 24 pin is EATX (enhaunced advance technology extended) power supply is new and high watt so 4 pin connecter can be detached from 24 pin connecter and can be fitted in 20 pin connecter

Posted on Oct 28, 2008

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How to make a pc power unit work without a motherboard?


There are two pins on the atx connector you need to bridge. You can wire a switch to the pins too if you want so you can toggle on and off. Otherwise, there is a guy on eBay (seller id: antronst) that sells a connector with the pins already bridged with a on/off switch and a resistor wired in to provide some stability for five or six dollars.
Here is a diagram. Make sure it is a standard atx power supply. Some old Dells had goofy wiring.
http://www.techpowerup.com/articles/other/22

May 16, 2014 | Intel Acbel Power Supply Supports ATX 12V...

2 Answers

My 873 n will not turn on


if you are refering to a computer

Test your PSU or replace it if your power supply units fan is not working your PSU is faulty

One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect/ boot up a computer hard drive

Test all leads that attach to your hard drive including electrical extensions,IDE,SATA

the leads from your "((MOTHERBOARD TO YOUR HARD DRIVE))" make sure they have a secure connection and are not faulty or just replace them they could be faulty
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electrical extensions or just replace them they could be faulty a computer needs its connections to continue its cycle and have an end so any faulty leads will end up with a computer error even something as small as a faulty electrical extension or fan lead can cause this problem

follow the troubleshooting procedure a computer needs all of the data and electrical current to travel through every device and to have an end to be able work properly

a motherboard and a hard drive any leads between them will fail before your motherboard or your hard drive if its a flat ribbon 40 pin type IDE replace it this will be the first to fail check all electrical extensions make sure they are securely seated even the cd/dvd floppy drives need to have current go through make sure these drives are working also it could be a dirty computer clean all of the dust from your computer you could use a vacuum cleaner but whatever you use make absolutely sure there is no moisture gets to anything in your computer and before you touch anything be sure to wear an earth strap hope this helps

May 30, 2011 | HP Computers & Internet

1 Answer

My power went out and when it came back on the computer would not come on


eMachines uses low quality hardware components inside their computers. This is the way they can sell them at budget prices.

One main hardware component is the low quality power supply they use.
A generic power supply made by Bestec. (A generic power supply manufacturer)

(PSU. Power Supply Unit. The type of PSU used is a SMPS.
Switched-Mode Power Supply,

http://en.wikipedia.org/wiki/Switched-mode_power_supply )

Low quality;
A) Electrolytic Capacitors (Radial Aluminum Electrolytic Capacitor)
B) Rectifier Bridge
C) MOSFET/s
D) Wiring is too small in gauge
to name a few of the components.

However IMHO it is also best to check out the Power On switch.
There is a simple test to see whether the problem is a faulty Power On switch, or a faulty Power Supply.

The test involves bypassing the Power On switch. The Power On switch is not involved in this test.
A jumper wire is used on the Soft Power On wire, [ PS-ON ], and a Ground wire in the ATX main power cable connector.

If you bypass, and the Power Supply comes on you have a bad Power On switch.
If the Power Supply does Not come on you have a bad Power Supply.
If you would like to know more in detail on how to perform this simple test, simply post so in a Comment.

The Power Supply used is just a common ATX version.
ATX refers to the Form Factor of the power supply.
Regular size ATX form factor is approximately 6 inches Wide, 5-1/2 inches Long, and 3-1/2 inches Tall. (Height)

There are also differences in the pinout of the ATX main power cable.
Yours may have 20-pins, or 24-pins.
Power Supply's sold now take this into consideration.
Their ATX main power cable can be used as a 20-pin, or a 24-pin version.

[ General example of a 20-pin ATX main power cable, and it's connector,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

Example of a 24-pin ATX main power cable, and it's connector,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24

Your motherboard may also require an additional power cable, commonly referred to as a P4 power cable, or P4 ATX 12V power cable, or just ATX 12V.
The actual name is 4-pin ATX +12 Volt power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

If you would like help in finding an inexpensive reliable Power Supply, please post in a Comment.
I will need to know what Model Number of eMachine you have. It's on the back next to the Windows product key, or up on the side of the computer tower.

If you need anything explained that I have stated here, please let me know in a Comment.
Regards,
joecoolvette

Apr 21, 2011 | E-Machines Bestec ATX-300-12E Rev. D 300w...

2 Answers

My old power supply had 4 wires going to the front panel on\off switch. The Dynex power supply does not support the switch. what do I use to turn the unit on or off. Will the unit function with out the...


Normally the front panel on/off power button and the front panel reset button plug into connector pins on your motherboard.

If you can find a User Manual for your motherboard it will show you exactly where the switch leads plug in on the motherboard. The motherboard's manufacturer and model number will be printed on the board somewhere.


Good luck.

Feb 05, 2011 | Dynex DX-400WPS 400-Watt Power Supply

2 Answers

The power supply came with no manual. There is no P IV power lead. There are two aux power leads. (1) four wire (O,B,R,Y) and (1) six wire lead (B,Y,B,Y,B,Y) The original power supply P IV lead has four...


As you've noted you need two Black wires (Ground), and two Yellow wires (12 Volt),
for a 4-pin ATX +12 Volt power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

If you are not using the 6-pin PCI Express power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#pciexpress

,rob the 4-pin ATX +12 Volt power cable connector, and wires from the old power supply.

Splice the wires of the 6-pin PCI Express to them.

Note:
Orange wires are 3.3 Volt
Red wires are 5 Volt
Yellow wires are 12 Volt
Black wires are Ground wires.

You need two Yellow wires, and two Black wires.


Or if you have a spare 4-pin standard Peripheral power cable from the power supply,

http://www.playtool.com/pages/psuconnectors/connectors.html#peripheral

,buy and use an adapter power cable.
Example,

http://www.directron.com/p4atx.html

Nov 27, 2010 | Coolmax Technology COOLMAX M500B 500W EPS...

1 Answer

Wat goes where from the power supply


on the newer psu's (power supply units) they are labeled. if they are not there is a basic rule. if it fits the socket without forcing it, use it there. there are many 4 pin plugs on a psu. these are all identical and all are exactly the same. they can be used anywhere a 4 pin connector is needed. newer psu's also have 6 pin, 8 pin and sata plugs. 6 pin and 8 pin are generally for video cards that are pcix sata pugs are for any sata drive, like a dvd or a hard disk. also there is a 24 pin or a 20 + 4 pin connector. this goes to the mother board.

Jun 26, 2010 | Packard Bell (190169) Power Supply

1 Answer

I have a mother board with 4+4 pin atx connection but the additio


The extra 4-pin connector should slide into the side of the larger connector. If the leads are the following: black/yellow/yellow/black, then this connector goes on a different location (usually close to the CPU/heatsink assy). Sometimes the PSU will not come equipped with the aux 4-pin that slides in next to the main connector... The computer generally WILL work without this connector, provided the aformentioned connector is connected in the aforementioned slot.

May 23, 2010 | Antec Basiq BP500U (ASKU51402) 500-Watt...

1 Answer

I would like to know how to troubleshoot a brand new Ultra LS600 power supply. I would like to go beyond hearing "it's dead" since I am getting power to the motherboard (via indicator light)m but the PSU...


You can start the PSU manually with a paper clip.
Remove the 20 pin connector from the motherboard, leave the four pin power connectors attached to your various drives (this will provide a load on the power supply when it start up (provided it is not faulty).
Look at the 20 pin connector with the connector facing you.and the locking clip to your left.
The fourth pin from the bottom LH corner should be a green colour wire and the next two wires (5th & 6th pin) should be black and next to the locking clip.
Straighten a paper clip and insert it into the 4th pin and into the 5th or 6th pin (ie connect these wires together). These wires connect to the front panel switch to turn on your computer. You are testing the power supply only and since it is not connected to the motherboard the computer won't start.
Now connect the power unit to the mains and switch on the mains, if the power supply is OK the PSU fan should spin up and your hard disk should also spin up. If nothing happens the the PSU is faulty.
You can test the +5volts and +12volts supply on a 4 pin power connector with a multimeter. The red wire is +5volts and the yellow wire is +12volts and the black wires are negative (ground). The voltage readings should be within 5% of these voltages.
There are other voltages to be checked +3volts, -5volts, & -12volts. but these are not as critical.

Dec 05, 2008 | Ultra Products Ultra LS600 Lifetime Series...

1 Answer

I have an old e machine 500 (origional operating system was windows 98). I am replacing the ATX switching power supply , 230 wat, model lp6100a. My problem is connecting it. I know all the connectors...


The old AT power supply that these old computers uses has two six pin socket connectors and these are different to the ATX connector.
You cannot buy these power supply now, most likely you might find one/computer in a junk shop.
If you have electronic knowledge you might be able to cut off the connectors from the old power supply and connect it to the ATX power supply and modify the ATX power supply so you can switch on the power to the old computer. The old AT power supply uses a mains power switch whereas the ATX uses low voltage to turn on the power supply.
Good luck & have fun.

Nov 29, 2008 | Powmax 400 Watt ATX Switching Power Supply...

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