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Re: the power led and reset was both on

Yeah i did not touch anything,

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Can you still open or start your computer? Even if the power led and reset are all on?

Posted on Oct 18, 2008

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2 Answers

Front panel connections


I don't find the Front Panel header pinout online, nor do I have an MSI MS-5191 in the shop.

I would suggest using one the LED lights with two wires.
(3-wire is a dual color LED)

There are two rows of pins. Usually the Power On switch, Power On LED, and Speaker; are on the same row.
HarDDrive activity LED, and Reset Switch are on the opposite row.

Speaker has 4-pins designated for it. All the others use 2-pins.
(Unless the PWR ON LED is a dual color jobbie)

Touch two pins next to each other, in the same row; with the 2-wire LED.
Start with finding the Power On switch first.

Usually the top row 1st two pins are Power On LED (Light)
Next in line are the 2 pins for the Power On switch.
Bottom row 1st two pins are usually HarDDrive activity LED (light)
Next 2-pins are usually Reset switch.

May not apply to a motherboard old enough to use a Socket 7 processor socket.
There may be 18 to 20-pins.
Bear in mind that many are not used, and probably 4 are for an internal speaker, for hearing BIOS Beep Codes.
May be two separate Front Panel headers.

Once you find the two contact pins in the Front Panel header, for the Power On switch; I would put the Power On switch wires on.
The small pin connector on the wire/s, will keep you from accidentally touching these two pins again, when the computer is on.

Now you have the two pins for the Power On switch, and the computer is running; then keep touching 2-pins at a time with the LED. (Light Emitting Diode)

LED stays on? You have the Power On LED (Light) pins.
LED blinks? HarDDrive activity LED (light) pins.
Computer restarts? Reset switch pins.

Look for abbreviations near the pins in the Front panel header.

PWR, Pwr, Pwr On, Sw, and SW; are just some of the abbreviations for the Power On switch.

HDD LED, and HDD are two for the HarDDrive activity LED. (Light)
(If it states HDD SW it is the Power On switch. Weird old way of marking)

RST, Reset, and RSW, are for the Reset Switch.
(Reset Button)

If you see 4 pins marked with a bracket ( [ -> Turn so it's horizontal), these are for the internal speaker.

Type MSI front panel connector in your search bar, and look at -> images. See if you can find an image of your MSI Front Panel header pinout.

You can bet MSI carried out that Front Panel header pinout, on other MSI motherboards, besides the MS-5191.

The MSI MS-5191 may have been a motherboard made by MSI, especially for a pre-built computer manufacturer, and not listed on their website as an OEM motherboard.
(Original Equipment Manufacturer)

Won't have the Front Panel header pinout, listed on MSI's support website. (Doesn't)
But you can bet there IS an OEM motherboard made by MSI, that the Front Panel header DOES match.

May be different expansion slots, or motherboard chipset, or whatever; but the same Front Panel header pinout.

Regards,
joecoolvette

Jan 05, 2013 | AMD MicroStar MS-5191 Socket 7 mATX...

1 Answer

Wire diagram


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

Specifically we are talking about the Reset switch, Power On switch, HarDDrive activity LED light, and Power On LED light.
Speaker pins for an onboard speaker< (BIOS Beep Codes), may be also included in this header.

What you need is a Front Panel header pinout.

I'm looking at the motherboard now,

http://www.motherboards.org/imageview.html?i=/images/mobot/motherboards/6335.jpg

The silkscreen print next to the Front panel header, is fuzzy. Probably is on your motherboard also.

[Motherboard installed in computer case, the Front panel header is at the Bottom/Right corner. Just wanted you to know, I KNOW.

The photo has the motherboard turned 90 degrees to the Right.
PANEL is silkscreened to the Right of the Front Panel header ]

Looking at the motherboard installed in the computer case, the Front Panel header is two rows of pins.

The pins have a white rectangle silkscreened around them. To the left of these two rows of 10 pins, is another small rectangle in white.
These are for IrDA,
(6 pins. Two rows of 3 pins)

http://www.webopedia.com/TERM/I/IrDA.html

Suggest leave them alone.

There are 20 pins. Two rows of 10 pins for the Front panel header.
Willing to bet Pin 1 is the pin to the upper Left corner.
Pin 20 is the pin at the bottom Right corner.

Coming from the Left side, across the Top row;
Pins 1, 3, 5, 7, 9, 11, 13, 15, 17, and 19.

Coming from the Left side, across the Bottom row;
Pins 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20.

It looks as though this is just the old Front Panel header setup, used for a lot of old motherboards.

For example, I can just about make out the pins for the HDD activity LED light.
Bottom row, come from the Left side.

The first three pins, which are pins 2, 4, and 6, are for the Keylock.
DO not connect any wires to them!
The next two pins, 8 and 10 are for the HarDDRive activity LED.

Top row; Pins 5 and 7 look like they are for the Power On LED.

HOWEVER, let's use deductive reasoning based on intelligent thought.
Or in otherwords, 'Wing it'.

All you have to do, is get one of those LED lights that have two wires.
This will be your test unit.

Go across the Top row. Touch TWO pins at a time. For example Pins 1 and 3. No power? Touch pins 5 and 7. No power?
(Shouldn't be)

Touch pins 9 and 11, and so on. Keep going across the Top row.
No good? Go across the bottom row, BUT SKIP pins 2 and 4.

What will happen? When you finally touch, the two pins for the Power On switch, the LED light will light up, and the Power Supply will turn on.

With the Power Supply on you can go back, and see which two pins keep the test LED light ON. These pins will be for the Power On LED.

Test LED light blinks? You are touching the pins for the HarDDrive activity LED.

Windows is running, and you touch two pins, and Windows restarts?
You have the pins for the Reset switch.

Speaker pins will be FOUR pins in a row, and by finding the rest of the pins, you will know which ones these are.

BY using the LED light you will harm NOTHING. In fact you could use a jumper wire. If you touch the wrong pins, NOTHING will happen. If you touch the two pins for the Power On switch, the Power Supply will come on.

Shock Hazard:
The VOLTAGE is 5 Volt DC.
In comparison two D cell flashlight batteries store 3 Volts DC.

In otherwords; NONE.

For additional questions please post in a Comment.
It may be hard for you to navigate around this website, but would appreciate hearing back from you.

Perhaps you can post a Front Panel header pinout, for this motherboard, and be somebodies hero.

Just a thought.

Regards,
joecoolvette

Jun 22, 2012 | AOpen MX36LE-UN (91.89Q10.101) Motherboard

2 Answers

I am looking for the mother board connection diagram so i can connect the towers front panal ie power switch /reset ect


Connect the front panel leads to the motherboard connector marked "JFP1" using the following pins as indicated by the markings on the motherboard and the front panel leads: HDD LED on Pins 1 and 3; power LED on Pins 2 and 4; reset switch on Pins 5 and 7; and the power switch on Pins 6 and 8.


Good luck.

Mar 03, 2011 | MSI 865GM2-LS Motherboard

1 Answer

I have a GA-81865GME-775-RH motherboard, which i put into my box, made all the connections, but have no power once I switch the box on. I suspect it has something to do with the wiring loom running from...


Hello julian_ad681

I will tell you how wire your case front panel, but before that lets test the motherboard to make sure the problem is not the board itself.

Remove all the wire connections to the front panel.

Turn the power on and with a small screw driver or anything that is metal short (touch) the two pins that are the PWR SW. (look at the list of pins I have put at the end)

If the computer turns on then it means the board is ok.

The following information is also availabe in the motherboard manual available from the gogabyte web site download section

On the motherboard next to the battery is the front panel header pins. it looks like

0 0 0 0 0 0 0 0 i also write them as numbers as well to make it easy for you)
0 0 0 0 0

1 2 3 4 0 0 0 0
5 6 7 8

1 and 2 are message LED. you don't need any connection to this.
3 and 4 are the power switch connections no polarity, just connect the wires
5 and 6 are the hard disk LED. 5 is the positive side (usually red)
7 and 8 are the reset switch. no polarity, just connect the wires.
Next to the message LED there is a three pin connection. This is for the power LED.


hope this has helped you.

please leave comment, vote if the helped

Feb 10, 2011 | Intel Motherboard

1 Answer

One day, when i clean my system box that i take out the pannel wires from the board .these are power led,hd led etc....after that when i set up those wire i can not use my computer computer .my destop...


Hello aunglina6

As i can see from the picture of your motherboard the connections are at the bottom close to the battery. it looks like this

o o o o 1 2 3 4
o o o o o 5 6 7 8 9

this is just to give you the idea how it is set up.

9 is no connection

8 + 7 is reset switch, 6 + 5 is hard disk LED with 5 the positive of + side.
1 + 2 is power LED with 1 the positive or + side, 3 + 4 is the power switch.

with the reset and the power switch don't worry about the positive or + side. it makes no difference.

good luck.

please leave comment if this was helpful

Jan 01, 2011 | ECS RS400-A (V1.0) Motherboard

1 Answer

How do i plug in power button in on mother board? Lost my manual so I can't find the model #. I was just switching my mother board and all other hardware to new case and my power button (or switch or...


> power led,

Runs to the LED (Light Emitting Diode) labelled "power" on the front of your computer-case

> H.D.D led,

Runs to the front-panel LED that lights-up whenever the Hard Disk Drive is being used.

> reset sw,

Runs to the "reset" button on the front panel.

> speaker

Runs to the internal speaker

> s/b sw

Very briefly touch a metal-tip screwdriver between these 2 pins.
If the computer powers-on, you've found the "power" connector.



Nov 06, 2009 | Intel Motherboard

2 Answers

Pin placement for ms 6741 mb


the manual for your motherboard can be downloaded here:
http://www.msi.com/index.php?func=downloadfile&dno=3812&type=manual

On page 2-17, the pin-outs for those connectors are specified in detail. They are part of the JFP2 header:
PIN SIGNAL DESCRIPTION
1 HD_LED_P Hard disk LED pull-up
2 FP PWR/SLP MSG LED pull-up
3 HD_LED_N Hard disk active LED
4 FP PWR/SLP MSG LED pull-up
5 RST_SW_N Reset Switch low reference pull-down to GND
6 PWR_SW_P Power Switch high reference pull-up
7 RST_SW_P Reset Switch high reference pull-up
8 PWR_SW_N Power Switch low reference pull-down to GND
9 RSVD_DNU Reserved. Do not use.

-Jon

Sep 01, 2009 | MSI K8MM-ILSR (MS6741030) Motherboard

1 Answer

Reset sw, power sw, and hdd led where do i put them on the motherboard


hello, your front panel connectors like reset sw, power sw, hdd led, you can search easily. a use of screw driver touch all front panel connectors, if any response of connectors connect it.

Aug 10, 2009 | MSI 745 Ultra (MS-6561-010) Motherboard

1 Answer

Re: the power led and reset was both on


Have you open your system unit where your motherboard is? Or you did not touch anything it just happen that.

Oct 18, 2008 | ASUS P5P800S Motherboard

1 Answer

Front panel pin layout. I need the front panel pin layout especially for the HD IDE active LED.


Howzit
Trial n Error is your best bet on the control pins panel there are two rows, with the power plugged in,with a screwdriver touch adjacent two pins together at a time starting with the top row then the bottom row, when you touch the right two pins your motherboard will power-up, then place the power-switch plug onto those two pins (the writing on the plug facing innwards toward the mainboard) the two pins for the reset switch and 99.9% of the time located directly next to the power switch or directly above the the power pins on the other row. For the LED lights you will have to just try the different pins and the Power LED will remain on as long as your mboard is on, but to find the LED pins for the Harddrive you will have to plug in your HDD and then when it powers up try the pins and the led for the HDD will flicker on-off, that would be the correct one. Dont worry your mboard will not be damaged by this in any way. Goodluck and let me know how you go. Thanks

Regards

Oct 27, 2007 | Iwill VD133Pro Motherboard

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