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Pin configuration POWER, HDD, RESET, LED

Looking for the pin configuration of the (power on, led light, reset, etc) for a compaq presario MB. MB ID is: PWA Shelby UI 316698200001-R02 thanks

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This solution can only be found two ways. 1. Is to call compaq and get someone in the technical service to help you or direct you to a service center that can provide an answer. 2.The other way is find someone who has a unit just like your's with the same motherboard and ask them to open their unit and take a picture, so you can see the pin set-up.This could happen on this website, if there is someone else that has this model computer and motherboard. You can also put out a help call on the other help websites, hoping someone will help you out. I hope this information helps you with your problem.

Posted on May 23, 2009

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Posted on Jan 02, 2017

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1 Answer

How to re-wire a Compaq Presario SR2150NX Case power Switch


The plastic front of your desktop 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.

F_PANEL_1

The Front Panel header contains connections for the Power On switch, Power On LED light, HarDDrive activity LED light, and so on.

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00864922&tmp_task=prodinfoCategory&cc=us&dlc=en&lang=en&lc=en&product=3339274

(Look at the motherboard photo. The Front Panel header is at the bottom right. Scroll down for the motherboard illustration )

There are 9 contact pins.
4 across the Top row, and 5 across the Bottom row.

The four pins across the Top row are numbered EVEN.

From the Left side going towards the Right side;
Pins 2, 4, 6, and 8. There is NO pin 10, just a blank spot.

The five pins across the Bottom row are numbered ODD.
Pins 1, 3, 5, 7, and 9.

A) Pins 2 and 4 are for the Power On switch

B) Pins 6 and 8 are for the Power On LED

(LED is dim when the computer is on? Switch the wires around )

C) Pins 1 and 3 are for the HarDDrive activity LED

(LED is dim when the harddrive is operating? Switch the wires around)

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

How to know which wires are for the Power On switch, Power On LED, and HDD LED?

Follow the wires into the Front Panel. Remove the Front Panel, and follow them.
(Need guidance removing the Front Panel post in a Comment )

For additional questions please post in a Comment.

Regards,
joecoolvette

May 02, 2012 | HP Compaq Presario SR2150NX PC Desktop

1 Answer

I have motherboard Compaq #277498-001 and can't find power sw


Not sure of your particular MB, but most always the switch is a pair of pins in an array where the front panel LEDs and reset and power switch are.
This array of pins is almost always at the lower right hand side of MB. Assume the components side is facing you and the expansion slots are at your left hand, (where you add extra cards like video etc). then look at the lower right side or bottom edge, mostly right at the edge of the board. Should be an a double row of pins, at least 8 maybe up to 12. Look real close next to these and you may see print indicating which pair do what. PS = power switch. RS = reset, HD = Hard drive LED PLED = power led light.Spk internal beep speaker etc. (Note LEDs require correct polarity to work) Sometimes no print there.. Then you need the manual to decipher pin pairs. Or experiment. All you need to do is make the connection momentarily (like push button) with a small screw driver tip to start it, while looking for correct pins.
If no power on check your power supply connections on the MB. Or suspect either MB or Power supply issue.

Mar 24, 2012 | Compaq ( 277498-001) Motherboard

1 Answer

MB schematic for HP Pavillion 7960 desktop pc


it is wrote on the mother board... look in the front left hand cornor,youll see a bank of 8 sets of 2 pin conectors..the abriviations are...pw=powe swith..rs= reset ....pw led = front powere light...hdd led = hard drive led

Mar 12, 2012 | HP Pavilion 7960 PC Desktop

1 Answer

Where can i get pyramid-9 PCB No BA41-00167A manual book for setting up power switch,hdd led,reset etc connection setting ???????????


Hello, i was made a search in google, i guess you must look it too, and a don't get nothing, but, I think i've a solution for you, according my own experience, i've installed 2 kinds of different MB, and, althoug there are different brands, the connection pins are the same, ie, the front panel connector that connect HDD Led, Power Led, Reset and Power, is a 9 pin conectors (really have 10, but 1 pin is cut for reference) and commonly is called PANEL 1

Then, i guide you

2 8
. . . . this will be 2,4,6 and 8 pins (from left to right)
. . . . . this will be 1,3,5,7 and 9 pins
1 9


Power Led + in pin 2
Power Led - in pin 4
Power Button # or + in pin 6 (It's no critic the orientation, it have no polarity, is a push buttom)
Power Button GND or - in pin 8

HDD Led + in pin 1
HDD Led - in pin 3
GND from Reset Buttom in pin 5
# from Reset Buttom in pin 7

THE PIN 9 has no connection

Source: My own experience, and check this instalation manual, at 21st Page

http://download.asrock.com/manual/Wolfdale1333-D667%20R2.0.pdf

Jan 07, 2011 | EPoX EP-3PTA Motherboard

1 Answer

Intel motherboard how to find power switch,led,reset,hdd switch,led


It is silkscreened on the moterboard at the bank of pins for the switches and lights. it is usuall abreviated as PWR SW, RST SW, HD LED, SPKR, PWR LED, ...If it is not silkscreened then look at the manual on the manufactures website. they will have a photo of the MB with it illistrated. go to
http://www.retrevo.com/support/MSI-K8T-Neo-FSR-manual/id/8353ci976/t/2/

Apr 22, 2010 | MSI K8T Neo-FSR Motherboard

1 Answer

I just installed my motherboard samsung harappa-4 on new casing, but i don't know how to connect cable for power switch,power led,hdd led, and reset, please give me solution, thankyou very much


LOOK FOR THE FRONT PANEL PIN HEADER.
IT MUST BE SOMEWHERE BY THE EDGE OF THE MB.
THERE ARE MARKINGS LIKE HDD LED, PWR SW ETC.
HOPE THIS HELPS.

Apr 13, 2010 | Computers & Internet

1 Answer

Configuring motherboard powerswitch leds reset


u will find front pannel connection pins on mother board. its in 2 lines. in onle row there is one pin slot idle. next to that vacant pin slot u insert reset sw, next to it insert hdd led, behind hdd led insert power led, next to power led (behind reset sw) insert power sw. thats it done


Jan 06, 2010 | Dell Dimension 2350 PC Desktop

5 Answers

Gigabyte GA-8INXP Motherboard Problem- front connector pins


If the wires from the reset switch is white/blue the blue wire is positive, Hdd red/white red is positive power Green/white Green is positive etc. The wires on the speaker connector will be red/black/black/white - red is positive. The colored wire is always positive. On all GA mb's the positive connection is always towards the back of the MB and are marked with a + on the base of the pin as you can see on the photo. Hope this help.

Sep 19, 2008 | Gigabyte GA-8INXP Motherboard

2 Answers

Reset/power/led etc..lead connections


on most motherboard it is possible to read there to set the wires.
hope this helped a little.

May 15, 2008 | Compaq Presario 5000 PC Desktop

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