Question about ECS RS400-A (V1.0) Motherboard

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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 screen is black plane.can you tell me how to set up those wires correctly.i think that worng set up wires or anything.when i cleaned the board time ,i take out all the things on board , harddisk ,cpu,momery etc....so that can you help how to replace anything? thank you so much.

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  • 75 Answers

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

Posted on Feb 18, 2011

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So well meaning person disconnected the three wires going to HD LED, Power etc..now I do not know what they were connected too originally.


Look along the edge of the motherboard for markings next to a set of pins. You may see markings to indicate what pins go where. Use the old board to help examine where the pins may be located. HD will go to your HD LED - Polarity will be important here, so when you get it wired, if it does not light you will need to reverse the wires on the pins. Power will go next to a Power indication, and the last probably will be a RESET. Once you get them hooked up properly, they should work for you.

You may be able to download the manual from here: http://www.retrevo.com/search/v2/jsp/mytrevo/myTrevo.jsp?page=man

Mar 21, 2015 | eMachines W3105 Motherboard Replacement...

1 Answer

Where to fix the power switch,power led and HDD led


There will be a set up pins pointing up from the mother board - usually along one edge, and the cable you have that come from the switches / LEDs on the front panel will fall in the general direction of those pins. If you look very carefully at the writing next to those pins you will see words like PW = power switch, HD LED = Hard Drive LED lights, SP = speaker and so on. You really should visit the motherboard manufactures web site, find your board and download the manual which will show you as well as tell you how to connect up the wires. LET this be a lesson to you! Write down or draw a picture BEFORE you start pulling wires out!

Dec 22, 2013 | HP Vectra VL400 P3 Skt 370 Motherboard...

1 Answer

Mother board manual for mx4lr


T got this from the Aopen website - hope it helps!


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Jan 15, 2012 | AOpen MX4LR (91.89Y10.002) Motherboard

1 Answer

I cant find the case wireing connections on the motherboard led hhd rw led power and sound were do they go ...and can u send me a pic of how the wires look and were they go thanks


from the Compaq case / cabinet front pannel a single connector will connect to the board.

there will be set of pins / connector with mark" pannel SW / " on the board

It may not mention each seperatly.

May 19, 2011 | Compaq (277500-001) Motherboard

1 Answer

I purchased a SUPRA 32 LED TV FULL HD Model No SLED32OT9001R from UAE 3 months back and from the last few days TV is not working even the power led at the front pannel doesnt shows power.


Be sure the power cord is plugged in to the a/c outlet fully. Take a table lamp and plug in the same outlet to verify power is good. If no power, check for circuit breaker tripped in main breaker box.
If problem seems to stay with tv, I would contact seller. You should have at least nine months of warranty left.

May 17, 2011 | Televison & Video

1 Answer

How do i wire-up the: ( eg. power l.e.d., HD led, reset led ect. to the board


The various wires from the case front panel should be labeled to indicate power LED, HD LED, etc.
The motherboard front panel jumper pins should be grouped together and the pins should be labeled to indicate PWR, HD. RST etc.
You can go to the motherboard manufacture's WEB site to download a diagram of your model motherboard and it will show all the locations of the connecting pins.

Jan 30, 2011 | Chaintech MP4M266A Motherboard

1 Answer

LED display says door. The control pannel wont work at all.


My problem has been repaired by my husband. I do not have the self cleaning on my oven yet the control board thought my self cleaning was on and the door was open. He had to jumper a wire between a connection on pannel to confuse the code and cause the board to set a new error code that could be reset. Which we were able to set the EO code and follow procedure for power disconnect and the board rest. We now have an opperatioal oven. Thank you .

Nov 23, 2008 | Whirlpool SB160PEE Gas Single Oven

1 Answer

Coleman 15k will not come on


Here is the troubleshooting guide for your unit. Hope this helps.

TROUBLE SHOOTING GUIDE
TROUBLESHOOTING
Symptom Remedy
1. Remote does not turn on system
- Check and replace remote batteries if the display fades while
any button is activated or no display is present. - Point remote towards IR receiver during transmission. 2. System does not turn on, no green LED & no beep
- Check wiring. (see "installation instruction")
- Check modular cable to receiver.
- Check diagnostic LED status in the upper unit control box.
3. System does not turn on even when receiver green LED is on.
- Low or over voltage condition, check diagnostic LED status in the upper unit control box.

4. Fan runs but no cold air.
- Evaporator temperature sensor reaches low limit, defrost mode.
- Check diagnostic LED status in the upper unit control box.
5. System runs continuously in the cool mode
- Remote was set for "I feel" mode and is left in a heated environment (sun etc.)
6. System runs continuously in the heat mode
- Remote was set for "I feel" mode and is left in a cool environment

1. Diagnostic LED (green)
(Note: Located on the control board in the upper unit control box.)
a) The LED is on when the 12VDC is adequate and communications are
present.
b) The LED is flashing fast and steady when in the freeze mode. Evaporator has frozen and the freeze proctection switch is engaged.
c) The LED is flashing slow and steady when the delay on break timer is
activated.
d) The LED is flashing 1 cycle on and off for one second with high or low
12VDC. Check the incoming 12VDC power for OK.
e) The LED is flashing 2 cycles on and off for one second with a
communication problem. Problem with the control board in the unit and the remote.

Hope this helps.

Jeff

Rate me Please!!!

Jul 29, 2008 | Coleman Mach 15 Air Conditioner

1 Answer

How to connect front pannel


How about a picture? Pg. 46 in your manual.
Need manual, download from Intel. (Click on link).
http://www.intel.com/support/motherboards/desktop/RC440BX/sb/CS-013608.htm

0d7be67.jpg
Intel RC440BX Specification
Pg. 46
Basic rules case wiring. The color black is considered ground -. Power wires + can be any other color including stripped wires. (This is standard but case Mfg change to their own specification).

Pin 1 is + power for LED Hard drive green LED, Pin 2 is -/ground for Hard drive LED.
(Pin 3 is + power for LED Hard drive yellow LED, Pin 4 is -/ground for Hard drive LED).(See more options on pg. 47).
Pin 5 is + power for case On/off button, Pin 6 is -/ground On/off button.
Pin 7 is + power for Reset Switch, Pin 8 is -/ground for Reset Switch.
Once positive & negative pins has been located each connector follows in suit.

The Intel RC440BX front case connector is in an odd location.
The user will find it hard to connect front case LED connectors while the board in installed into the case.

Good Luck!

Mike

Apr 25, 2008 | Intel Desktop Board RC440BX...

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