Question about PC Chips M825G MOTHERBOARD, K7, Socket A, Athlon, Athlon XP, Duron, Sempron, embedded graphics

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My computer with motherboard m825g v9.2c won't turn on.I installed it into diffrent case need wiring config which pins are for power switch and others ? thanks

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Posted on Jan 02, 2017

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mewms_14904
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SOURCE: dell 2400 motherboard and case connections

Pin Out for header

e4d0411.jpg

Posted on Apr 11, 2008

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  • 1 Answer

SOURCE: d9840 60003 mainboard

I am having the same problem, I found this info useful, hope it helps. http://forums12.itrc.hp.com/service/forums/bizsupport/questionanswer.do?admit=109447627+1215449263004+28353475&threadId=820435

Posted on Jul 07, 2008

  • 32 Answers

SOURCE: instructions on atx case wiring to motherboard

Hello,

There should be markings on the motherboard and it should also show you in the manual the way it goes.

Here is a link that also shows the default configuration of the power, reset, hdd led etc.: http://i200.photobucket.com/albums/aa177/glecakes/computerProblems/MBinstructions.jpg

Normally on the cords from the case (if they have labelling on the plastic end) the labelling will always face out (so you can read it when its plugged in)

I hope this helps

Have a great day!

Posted on Jan 28, 2009

DickCanFixIt
  • 948 Answers

SOURCE: Hooking up case wires to motherboard: ECS M925

If you look at this picture, the pins on the motherboard should be on the far left below the brown slot and above the white connector. The pins on the board are marked with tiny white letters HDD, PWR, RST, SPKR. The USB connection on the board may require a separate header, I can't find a manual to see for sure.

Posted on Apr 04, 2009

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1 Answer

I need a wiring diagram for Model PC MT6, Type: MED MT 217 for a Medion computer. My son tried to switch out a motherboard and can figure out where all the wires go.


The new mother board should of came with a manual ..

install manual
http://static.highspeedbackbone.net/pdf/MSI_PM8PM-V_Manual.pdf

manual
http://download5.medion.com/downloads/anleitungen/bdapc1768us.pdf

hope this will help you .. if you need more help just ask !

oh and on the motherboard there should be some print for pin config it will be close to the JP1,JP2,or JP3 pins ..

May 21, 2015 | Computers & Internet

1 Answer

Power supply diagram for ht 2000 motherboard


http://www.ebay.com/itm/ECS-HT2000-AMD-AM2-Socket-mATX-DDR2-800-Motherboad-w-NVidia-Graphics-/251260314586?pt=Motherboards&hash=item3a804823da


1) Uses one 24-pin ATX main power cable.

Motherboard installed in computer case, the motherboard connector for the 24-pin ATX main power cable; is to the Right of the Blue IDE (PATA) connector.
(Right side of motherboard)

General example. Note that color does NOT matter of connector,

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


2) Uses one 4-pin ATX +12 Volt power cable,

Motherboard installed in computer case, the whitish square 4-socket hole connector, to the Bottom/Left corner of the Processor socket; is the 4-pin ATX +12 Volt power cable's motherboard connector.

General example. Note color does NOT matter of connector,

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

THAT, would be considered a Power Supply diagram of the motherboard.

They are the only two power cables that plug into the motherboard.

The front of your desktop computer is the Front Panel.

The area of contact pins on the motherboard, that the Main wires from the Front Panel go to, is the Front Panel header.

Power On switch, Power On LED, (Light Emitting Diode), Harddrive activity LED, and a Reset switch IF used.

Regards,
joecoolvette

Apr 15, 2013 | ECS HP MCP61PM-HM Nettle3-GL8E 6150SE AM2...

1 Answer

Gateway DX4822-01 power switch problems


The front of your computer is the Front Panel.

The area of contact pins on the motherboard, that the Main wires from the Front Panel go to, is the Front Panel header.

Main wires such as Power On LED, Power On switch, HarDDrive activity LED, and Reset switch; IF used.

Suggest KEEP track of where those wires go!

Make a drawing, and notes. I even use a magic marker, (Sharpee?), and make a notation of the Front Panel header pinout, on the floor of the computer case.

In this particular case it isn't known if the Power On switch is the problem, or the Power Supply.

Power On switch;
Power UNPLUGGED to computer, Anti-Static Precautions FOLLOWED; (Don't know? Post back in a Comment),

Remove the twisted pair of W/B and W/G wires, to the Power On switch pins, in the Front Panel header.

Plug power back into computer.
Use a small flat tipped screwdriver, and touch the two Power On switch pins. (Jewelers screwdriver works well for this application)

Power Supply comes on? Bad Power On switch.
Allow Windows to fully load, run for a few minutes; then turn the computer off normally.

Jump the two Power On switch pins again.
Power Supply comes on? You DEFINITELY have a bad Power On switch.

Power Supply does NOT come on?
We will go to a further diagnostic test then.
Awaiting results for first test, then we will go on.

Post back in a Comment.

Regards,
joecoolvette

[Also; is the computer dirty inside? ]

Feb 19, 2013 | Acer Computers & Internet

1 Answer

How does the switch wires get placed


On an Intel D945GTP mobo? No prob!

I would like you to download the User Manual, (Motherboard Manual)
This way you will not only have the Front Panel header pinout, you will also have other needed information for the future.

However, in case for some reason you are unable to download the User Manual, I will post the connections also.

[ The plastic front of your computer is the Front Panel.
The area of contact pins on the motherboard, that the cables, from the Front Panel go to, is the Front Panel header ]

http://www.intel.com/p/en_US/support/highlights/dsktpboards/d945gtp

On this page under the bold subheading - Documents and Guides -
left-click on the blue -
Product guides for D945GNT and D945GTP.
(Don't believe we can use the Ampersand on here)

On the next page left-click on the blue -
Intel Desktop Board D945GNT/D945GTP Product Guide - English (PDF)

[ Disregard the following if you are aware;
This is a PDF file. The computer you are using now has Adobe Reader on it, which uses PDF files.
{I would suggest upgrading to Adobe Reader X version, if your computer does not have it }

At the top of the PDF file { Header }, is the PDF file page number box.
If you know the page you want, you can use the Down Arrow to slowly arrive at the page you want,

Or,
1) Put your mouse cursor in the page number box. Left-click once.
2) Type the page you want.
3) Press the Enter key

The Zoom In icon ( + ) increase the view size.
The Zoom Out icon ( - ) decreases the view size ]

Go to Page 13. This shows a Top View of the motherboard.
It is clocked 90 degrees to the right, in regards to how it is actually sitting in your computer case. (In your mind turn it to the left)

The letter O indicates the Front Panel header.
Turned as it should be mounted in your computer case;
1) It is a rectangular block with two rows of pins.
2) It is under the SATA headers on the motherboard.

The Front Panel header is color coded.

A) The two pins in the Red block are for the Power On switch

B) The two pins in the Green block are for the Power On LED (Light)
IF, the Power On LED is dim when the computer is on, switch the wires around.

C) The two pins in the Purple block are for the Reset switch, IF a Reset switch is used.

D) The two pins in the Orange block are for the HarDDrive activity LED.
IF, when the harddrive is active the LED is dim, switch the wires around.

E) The pin all by itself next to the Purple block, (Reset switch) is N/C.
Not Connected.

For additional questions please post in a Comment.
Regards,
joecoolvette

May 28, 2012 | Intel D945GTP Motherboard

1 Answer

My computer will not turn on and i was told something is wrong with the motherboard. How do i fix this?


Your computer, Dell Dimension E521 Desktop PC, will not turn on, and someone told you the problem is the motherboard?

Unless you stated to this entity, that you spotted leaking Electrolytic Capacitors on the motherboard, how can they assume this?

I believe you should check whether the problem is the Power On switch, or the Power Supply.

1) The Power On switch is located inside the plastic Power On button. It is an ATX power on switch. (The Power On switch is a Momentary Contact Switch )

This is an example of an ATX power on switch, that I have found fits many desktop computers,

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

The test to perform bypasses the Power On switch. It does NOT involve the Power On switch itself, however.

Bypassing the Power On switch turns the computer (Power Supply) on?
Problem is the Power On switch.

Bypassing the Power On switch does NOT turn the computer (Power Supply) on?
The problem is the Power Supply.

A) Computer on a table, computer unplugged from power, computer case open.
I would then lay the computer on it's side, on a towel, on the table, computer case opening UP.
Watch the cables attached to the computer.

This is so you can access the components inside of the computer more easily. This will become apparent in a moment.
Now follow Anti-Static Precautions.

Anti-Static Precautions:
Your body carries Static electricity. Static WILL fry out (Short Circuit) the delicate hardware components inside a computer.
Relieve your body of Static BEFORE reaching inside the computer.

(Have to restate) Computer on a table, computer unplugged from power, computer case open.
TOUCH an unpainted surface, of the metal frame of the open computer case.
This action will relieve your body of Static.

Should you leave your computer in the middle of working on it, (For ANY reason), be SURE to touch the metal frame again upon your return.

Now you are safe, and the computer is safe. Let's begin;

Inside your computer there is a power cable coming from the Power Supply, that plugs into the motherboard. This power cable I'm referring to is the 24-pin ATX main power cable.

This is an example of a 24-pin ATX main power cable, and it's respective connector on the motherboard,

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

Female connector on motherboard shown in the Left photo.
Power cable connector shown in the middle photo.

The photo to the right shows the ATX main power cable plugged into the motherboard.
This is how it needs to be for the test. It also shows the color of the various wires going into it.
We only need to be concerned with Two wires.

The Green wire, and ANY Black wire.

The Green wire is the Soft Power On wire. It is also abbreviated as PS_ON.
ANY Black wire you see is a Ground wire.

A jumper wire is used to BRIEFLY connect the Green wire, to ANY Black wire.
(Again, the Power On switch is a Momentary Contact Switch)

The jumper wire preferred to use is a paper clip. The paper clip is straightened out, then bent into a U-shape.
Look at the U-shape upside down. The top/middle is wrapped a few times with black plastic electrical tape. This is for your fingers, and thumb to hold onto.

The 'legs' of the U-shape go down into the Back of the ATX main power cable's connector.
(I shortened 24-pin ATX main power cable to ATX main power cable)

Look at the photo to the right. See how the Green wire goes down into a squarish socket hole?
Look at the photo in the middle. See the metal tube shapes at the Front of the connector?
Brass looking, slightly square?

These are metal terminals. There is a metal terminal for every wire, going down into the ATX main power cable connector.

The 'leg' of the U-shape jumper wire goes down into the Back of the connector (ATX main power cable connector), RIGHT NEXT TO the existing wire that is in the socket hole.

It has to go down into the squarish socket hole far enough, to pass by the insulation of the wire, and Touch the metal terminal.

Example:
One leg of the U-shape goes down into the socket hole of the Green wire, right next to the Green wire, and touches the metal terminal.

The other leg of the U-shape goes down into a socket hole, with ANY Black wire, and touches the metal terminal pin.

The leg MUST touch the metal terminal pin.

The contact made is brief. No more than 2 seconds. (1001,..1002)

Shock warning. None.
The Soft Power On wire (Green wire) has 5 Volts DC going through it.
In comparison two D cell flashlight batteries produce 3 Volts DC.

HOWEVER, there may be a spark, as both legs of the U-shape jumper wire touch their respective metal terminals. Warning you in advance.

You are also holding onto the black plastic electrical tape. (One wrap of black plastic electrical tape will insulate you from 600 Volts DC)

IF, the jumper wire turns the computer on, (Power Supply actually), the problem is a bad Power On switch.

IF, the jumper wire does Not turn the computer on, the problem is a bad Power Supply.

The Power Supply used in a Dell Dimension E521 Desktop PC, is an ATX (Form Factor) power supply.

The form factor ATX for a Power Supply refers to the size, and shape of the Power Supply's case, and the power cables provided with the Power Supply.

The size, and shape of the ATX power supply case is approximately 6 inches Wide (Width), 5-1/2 inches Long (Length), and 3-1/2 inches Tall. (Height)

With the power cables offered with today's offering of ATX power supply's, there is no need to be concerned if the ATX power supply in question, has the needed power cables.

ATX power supply's sold now, have the correct power cables you'll need, and the correct amount of power cables.

This is just one example of an ATX power supply that will work,

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1389575&CatId=1078

Scroll down to the bold heading - Detailed Features
Look at the chart under the subheading - Connectors

Note the first connector shown. This is a 20-pin plus a 4-pin main power cable.
Both power cables are used for your 24-pin ATX main power cable connector, on your motherboard.

This gives a little more information on a 20 + 4-pin ATX main power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20plus4

Note the photo to the right. This particular motherboard has a 20-pin ATX main power cable connector. It does not require the additional 4-pin power cable.
Yours does.

Do Not confuse the 4-pin ATX +12 Volt power cable, with the 4-pin power cable that comes with a 20 + 4-pin ATX main power cable.

The 4-pin power cable you need is in the harness of wires, for the 20 + 4-pin ATX main power cable.

There WILL be a 4-pin ATX +12 Volt power cable, however. This is an example of a 4-pin ATX +12 Volt power cable,

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

(Color of the connectors for any power cable, does Not matter. They can be any color)

Dell Support > Dimension E521 Desktop PC > Service Manual,

http://support.dell.com/support/edocs/systems/dime521/en/SM_EN/index.htm

In the list click on - Technical Overview
Now click on - System Board Components

22 is where the 24-pin ATX main power cable plugs in.

(NOTE*
The 24-pin ATX main power cable connector, and the 4-pin ATX +12 Volt power cable connector, have a Lock on the side. The plastic rectangle on the side of the connector/s.
This Lock has a hook on the bottom end. The end that faces the motherboard.
The hook goes over a Tab on the female connector, on the motherboard.

The Lock acts like a see-saw on a playground. The top of the Lock is squeezed in. This action brings the hooked end away, from the Tab on the motherboard female connector.
Then the power cable CONNECTOR is wiggled, and removed from the female motherboard connector.

{ ONLY use the Connector when removing it. DO NOT pull on the wires)

2 points to where the 4-pin ATX +12 Volt power cable plugs in.
That's it for the Power Supply power cables.

1 points to where the Processor Fan plugs into.
5 and 6, point to where the Data cables from the SATA harddrive, and SATA optical drives, plug into.
(This is if the Dimension E521 has SATA optical drives, and not IDE { PATA} optical drives)

[ The SATA data cable connector has 7 contact pins in it. It is the shorter connector.
The SATA power cable has 15 pins in it. It is the longer connector.

IF, the SATA harddrive has a provision for using a SATA power cable, AND a 4-pin Peripheral power cable (Mislabeled as Molex), ONLY use just the SATA power cable. Otherwise the SATA harddrive will burn out. Sometimes not right away, but eventually it does ]

Going back to the main page for the Service Manual, click on -
Removing and Installing Parts.

Removing the Computer Cover is listed, as well as Power Supply.

For additional questions please post in a Comment.

Regards,
joecoolvette

Nov 03, 2011 | Dell Dimension E521 PC Desktop

1 Answer

I have disconnected all th ewire from my motherboard and i have installed all wire but unable to connect pw button,reset button,HDD led wire and anothed LED wire please tell me how can i install them in...


Locate the case connector pins on your motherboard. This will be a bank of two rows with 10-12 pins in each row. Each pin will be about 1 cm in length.2 Locate the power lead behind the power button on your computer case. The lead will consist of two thin wires, usually white and black, held together by a small plastic cap.3 Examine the underside of the power lead for an arrow or dot. If one is present, the marking signifies the first pin. This must correspond with the first pin on the motherboard, which will also be indicated by an arrow, dot, or number. If no markings are present, the lead can be installed in either orientation.4 Place the lead over the power pins within the pin bank. The correct pins will be indicated by a diagram on the motherboard, or by a picture in your motherboard's instruction manual.5 Connect the power cable to the back of your computer, and turn the computer on.

  • Oct 14, 2011 | ASUS P5PE-VM Motherboard

    1 Answer

    Computer motherboard. When turn on computer, nothing happens. Taken all connections of & completed recommendations as per manaual. Power to all components. Power light is on to motheroard, when...


    Double check that you connected the power switch to the correct pins on the motherboard.

    also make sure you have conntected the extra 4pin power cable to the motherboard, its a diffrent cable from the 20 or 24pin power cable.

    Aug 20, 2008 | Computers & Internet

    1 Answer

    Pins


    Hi Doc,

    If you can please provide me with the make and model of your mobo, i can get you the layout for those plugs.

    -Daniel.

    Nov 18, 2007 | PC Chips M825G Motherboard

    1 Answer

    Motherboard pin config


    All motherboards have a print beside the pins, Speaker= "speak", "pwr s" =powerswitch, "HDDled" red light on front, rst = reset switch [not allways used] "pwr led" Green led, the case wires are usualy marked on the plug ends with the same , "hdd" "reset" and so on. The power switch will work both way's around however the led lights wont. You will not hurt anything if they are the wrong way around, they just wont work so if you dont get lights just reverse the polarity. If by chance the case wires do not have labels the just trace them to the case front panel and plug them into the corresponding board pins. Regards mistyman

    Aug 28, 2007 | Systemax Ascent PC Desktop

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