Question about PC Chips M789CG (M789CGVIA2000) Motherboard

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Motherboard documentation system booting halfway. reset,hdd led and switch wires disconected. how do i know the right cable for the right pin? thanks, Aver

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Hi - You can download the manual from the link underlined in blue below:

M789CG

motherboard documentation - aeaa139.jpg
Other info here.

Please take a moment to rate this solution & let us know if the information given was useful to you - Good Luck!

Informatica

Posted on Aug 30, 2008

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Front panel pinout connections for ASUS A8M2N-LA (NodusM3


The Asus A8M2N-LA motherboard was made SPECIAL for HP.

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00757531&tmp_task=prodinfoCategory&cc=us&dlc=en&lang=en&lc=en&product=3339286

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00820191&tmp_task=prodinfoCategory&cc=us&dlc=en&lang=en&lc=en&product=3339286

As such Asus has no info on it.

Looking at the second link posted (Motherboard Specifications), scroll down to the bottom, and click right on - Motherboard Layout

Motherboard layout shown (Direction), is the same as is installed in your computer; Processor to the Top, white PCI slots to the Bottom, Ram Memory to the Right.

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

Abbreviated F_PANEL 1, at the bottom right corner of the motherboard, is the Front Panel header.

There are 9 contact pins. Two rows.
Across the Top row they are numbered ODD.
Across the Bottom row they are numbered EVEN.

Coming from the Left side of the motherboard towards the right side, on the Top row;
Pins 1, 3, 5, and 7

Coming from the Left side of the motherboard towards the right side, on the Bottom row;
Pins 2, 4, 6, 8, and 10.

A) Pins 1 and 3 are for the HarDDrive activity LED light.
Pin 1 is for the Positive wire. ( + )
If the HDD LED is dim when operating, switch the wires around.

B) Pins 5 and 7 are for a Reset switch, IF a Reset switch is used.

C) Pins 2 and 4 are for the Power On LED light.
Pin 2 is for the Positive wire.

D) Pins 6 and 8 are for the Power On switch.

Regards,
joecoolvette

Apr 10, 2012 | Gigabyte Computers & Internet

1 Answer

Needed to move motherboard to new case because of overheating / ventilation problems - do not know what the power / reset / hdd led leads are for the 9 pin f_panel (new case has each as separate...


Photo of the Asus M2N78-LA motherboard,

http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&cc=us&docname=c01421635&dlc=en

This photo also shows the orientation (Direction), that the motherboard is sitting in a computer case.

To the very bottom right is the Front Panel header.

The front plastic panel of the computer is the Front Panel.

The area of pins on the motherboard that the cables, (Wires) from the Front Panel connect to, is the Front Panel header. ( F_PANEL )

The Front Panel header, is the black rectangular shaped plastic block, that is sitting vertically on the motherboard.

Has two columns of pins.
4 on the left side, 5 on the right side. Makes it look as though there is a pin missing, at the top left corner.

I'm going to number the pins.

Pins on the Left side starting at the Top, going down;

Pins 1, 3, 5, and 7.

Pins on the Right side starting at the Top, going down,

Pins 2, 4, 6, 8, and 10.


A) Pins 1 and 3 are for the Power On switch. (Power On button)

B) Pins 5 and 7 are for the Power On LED light.
Pin 7 is for the Positive ( + ) wire.
(If the LED light is dim, reverse the wires around)

C) Pins 4 and 6 are for a Reset switch, IF a Reset switch is used. (Reset button)

D) Pins 8 and 10 are for the HarDDrive activity LED light.
Pin 10 is for the Positive wire. ( + )
(If the HDD LED light is dim when operating, switch the wires around)

Pin 2 at the top Right is NOT used. (NC. Not Connected)

For additional questions please post in a Comment.
I am looking at a motherboard manual in PDF file form, for the Asus M2N78-LA motherboard.

Regards,
joecoolvette

Sep 03, 2011 | HEWLETT-PACKARD HP Pegatron M2N78-LA ASUS...

1 Answer

How to hook up the face plate of a emachine w3400 Wich includes 3 wires 1 power butten and 2 led lights


Look at the pinout of the Front Panel header, of the eMachine W3400's motherboard.

The plastic front of the computer is the Front Panel.
The area of pins on the motherboard, that the cables (Wires) from the Front Panel connect to,
is the Front Panel header.

The motherboard for an eMachines W3400 desktop computer is an MSI ms-7145
(Micro Star International)

Orient the motherboard in your view so that we are both looking at it the same way.
Processor to the Top, Ram Memory slots to the Right, white PCI slots (3) to the Bottom.

JFP1 is the Front Panel header.
(Junction Front Panel 1)

JFP1 is on the Bottom Right corner. There are two columns of pins arranged vertically.
(The JFP1 header runs parallel to the Right side of the motherboard)

The Left side column of the JFP1 header is numbered Odd.
Starting at the Top and going Down, the pins are numbered;
1, 3, 5, 7, and 9

The Right side column is numbered Even.
Starting at the Top and going Down, the pins are numbered:
2, 4, 6, and 8.
There is NO Pin 10

A) Pins 1 and 3 are for the HarDDrive Activity LED light. (HDD)
If the LED light is dim will operating switch the wires around

B) Pins 5 and 7 are for the Reset switch. (Reset button)
> IF Used

C) Pin 9 is Not used. (NC. No Connection)

D) Pins 2 and 4 are for the Power On LED light (If dim switch the wires around)

E) Pins 6 and 8 are for the Power On switch. (Power On button)

Trace the wires back to the Power On switch. Even if it means temporarily removing part of the Front Panel to see.

Same with the LED lights.
See which wires go to the Power On LED, and HDD Activity LED. (Harddrive Activity LED)

Follow the 3 wires, and tell me where they go to on the Front Panel.
USB port?
Memory Card Reader?
Firewire port? (a1394)

Nov 27, 2010 | AMD eMachines Desktop System w/ 17'' CRT...

1 Answer

I DISCONECTED ALL MY CABLE SO NOW I CAN'T ABLE TO CONNECT THE WIRE BECAUSE I LOT MY BOARD CHART


it is easy...

remember this your motherboard is like a children play house red for red, square for square.. if it is not compatible for the socket it will never be placed well..

you need to connect the following..

first your main power supply to your motherboard

it is very easy to see.. it is a group of maybe 16 wires in a plastic connector..you will connect it to your motherboard..

your processor power is a four wired in plastic connector but it is square in shape..

note: take a good look in each connector they have squares cirlce, etc shapes in each wires so don't force it to connect if it is hard to it means it is not for that socket..

this is the turning point..

your power button, reset button, pw LED, HDD LED,

maybe you know where it is placed,
but note the sequence.. pw button, reset, pw led,hdd led,

if not you can try to short the pins of *********** board so that you will know where the power button will be placed...

your usb and internal speaker has their own pins....

note: take a good look to your motherboard before you connect it, it may cause you some trouble..

take a look at the + ,- signs that is encrypted in the motherboard...

you have to the red wire is fore the posite and the black is negative..

i know it is compose of four wires but they are in one socket right...

your hdd connect it i know you know that how..

that's all..

Feb 07, 2010 | ASUS P5PE-VM Motherboard

2 Answers

Hi i have a problem with panel1 on M848A v5.0 motherboard i cnt seem to work out how to connect the case properly it looks like this ()()()() ()()()()() i have the power switch, reset switch, hdd led and...


OK, this is for all the idiots who reply and offer NOTHING. You need more info, model and ver? HE ALREADY GAVE ALL THAT INFO.
Type "M848A v5" in google and you will see it is a PCChips mobo AND the manual is here:
http://download.ecsusa.com/dlfilepcc/manual/848Av50.pdf
BUT the manual DOES NOT HAVE THE PIN-OUT, so the manual is worthless...
Here is the pin-out:
(2)(4)(6)(8)
(1)(3)(5)(7)(9)

...and thanks to guntotenmadm
"""
Aug 28, 2009 - The pin layout on the MB are color coded. There is green, orange, pink, and blue. I'll start with the green pins 2 and 4 these are for the power led wires, bottom pin #2 is the + pin (your green wire). Pin #4 is - (your white wire). Now the orange pins, pins 1 and 3 these are for the HDD led. The bottom pin #1 is the HDD + pin (your red wire). Pin #3 is the HDD - (your white wire). Now the pink pins, 6 and 8 these are for the power switch. Pin #6 is the + pin (your orange wire). Pin #8 is the - pin (your white wire). Now the blue pins, 5 and 7 these are for the reset switch. Pin #5 is the - (your white wire). Pin #7 is the + (your blue wire)."""

May 18, 2009 | PC Chips MB PCCHIPS SiS746FX M848A V5.0...

1 Answer

TRYING TO HOOK UP MU POWER BUTTON NEED TO KNOW


Hi there
The front panel connectors are mainly,
  • harddisk activity connector
  • power switch connector
  • reset switch connector
  • power LED connector
  • speakers connector
  • USB connector
Harddisk activity connector
This normally comes red in colour and is labeled as HDD-LED
Power switch connector
This comes green in colour and is labeled as POWER-SW
Reset switch connector
This usually comes grey in colour and is labeled as RST-SW
Power LED connector
This is usually green in colour and is labled as PWR-LED
Speakers connector
This speaker will give different beep sounds during boot to tell the user if there is any errors. It occupies 4 pins, however only 2 is important for the function. Be sure to connect the red coloured cable to the positive polarity and the black to the negative.
front_panel_connectors.jpg Front panel connectors pins on the motherboard
front_panel.jpg Front panel connectors from the casing

Good luck and thanks for using FixYa!!

May 13, 2009 | eMachines T6420 PC Desktop

1 Answer

I cant get the HDD LED to work... yes it is hooked up right...


Some of the wires going from the power switch, reset switch, speaker, and LEDs must be attached to the motherboard the correct way. That is, they must not only be placed in the right spot where they need to go, but they also must be connected with positive and negative wires on the right pins.

If your HDD LED is not lighting up when the HDD is "thinking", try reversing the cable where the HDD LED wire plugs in (just flip it so the black wire is where the non-black wire was). I tried to find a good picture of your motherboard to guide you but they were not very helpful. From squinting really hard, I believe the spot they should plug into the board is by the CMOS battery. There might be printed words on the board surrounding the area to connect them that tells you which two pins are for the HDD LED.

Mar 03, 2009 | Gateway (4000782) Motherboard

2 Answers

Connecting the case to my motherboard


Pin arrangment is Industry Standard Architecture.....

pwr led pwr sw N/C
X X X X O

X X X X O

hdd rst N/C

translated this is top row left to right ...... power led, power switch no connection

Bottom row is left to right........ hard drive, reset, no connection

Note: not all computer cases have a reset button, also the connectors for power led and hard drive produce a light, if the light does not show, power off the pc swithc the cable rooun 180deg on the connector pins and reconnect.

Dec 04, 2008 | Computers & Internet

1 Answer

I have an emachines t6520 and the power sw wire, HDD led wire, and the power led wire hve been disconected


On the system board, on the left edge next to the primary IDE connector, there is a 9 pin header.
I usually get a magnify glass and look down on the header . From right to left,you will see PWR led pins closer to the edge of the motherboard.and the Power BTN next to it.(the side of the pins that has 4 pins on it)
Then on the other side, you will see the pins for the HDLED across from the PWR led. Then the Reset pins across the PWR BTN.

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

Oct 29, 2008 | E-Machines eMachines Desktop PC

2 Answers

Power switch


You could try searching for the manual for the motherboard, I have the same problem every time I disconnect a motherboard.

Sometimes it is printed on the motherboard in dead small writing which wire goes where.

Also usually motherboard manufacturers follow the "unofficial" standard io connectors.

+PLED -PLED +PSW -PSW NC NC NC NC
+HDD -HDD -RST +RST +SPK NC NC -SPK

Key:

PLED = Power LED/Message LED
HDD = Hard Drive LED
RST = Reset Switch
PSW = Power Switch
SPK = Speaker
NC = Not connected (sometimes not even there)

Note quite often the Reset switch is the reverse of everything else! (i.e. on most if the + is on the right the + is on the left for the Reset

The USB ones usually always follow the following standard

VCC -DATA +DATA GND NC (USB1)
VCC -DATA +DATA GND NC (USB2)

And usually one of the NC pins is no pin as some USB cables have that pin blanked out to ensure you connect them the right way. Note also with USB you start with the VCC then you go straight to negative data, then positive, then ground (again the - and + data bits, like the reset are in reverse of normal reading - the are right to left, not left to right!)

Finally if your not sure which cable is + and which is - the - ones are normally either black or white (most of them are white, except the speaker ones which are black - I presume that goes back to the colour scheme of red and black for positive and negative in audio equipment) and the + ones are normally some colour.




Dec 11, 2007 | Abit nForce2 NF7-S2 Motherboard

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