My son pulled off the following wires off the motherboard when i was installing a new drive.
power LED +
power LED -
I DO NOT HAVE THE MOTHERBOARD diagram to re-connect the leads.
bob van rooyen
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Re: reset/power/led etc..lead connections
i need to know the motherboard's serial number then shouldn't be a problem finding the service manual for it with all the information you require
some motherboards got that information imprinted near the pins if you look close enough
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Not to much information from you . Here is a E-Machine assembly for the motherboard .
The power switch is a 2-wire connection to the Motherboard. The 2 pins on the motherboard it connects to will be labeled something like PW. The polarity on it doesn't matter. There will also be a power LED connection. Usually those wires are green and black. Green is positive. There's also a hard drive activity LED with (usually) red and black wires. Red is positive. Hopefully that polarity will be marked on the motherboard. If not, try it one way and if the LED doesn't light up, try it the other way. The power (green) LED should be on whenever the PC is on. The hard drive (red) LED will be on whenever the drive is being accessed.
There might be pins on the motherboard for reset. Some computers don't have a reset button. In that case you wouldn't connect anything to it. If your case does have a reset button then connect the wires to the reset pins on the motherboard. Polarity doesn't matter for that.
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.
there is a possibility that you may have pulled off the power switch, to motherboard Connector.
This will be at the bottom right hand-side of the Motherboard.
You should have a 2 cable connector for. pwr/sw Power Switch. hdd/led Hard-Drive led. rst/sw reset Switch.
Check those First. if you didn,t remove the power lead, before attempting any work. you may have arced a current, and damaged the motherboard Or PSU. check the Fuse In The Actual plug lead. to determine the actual power Switch, without a multi-meter. remove the power lead, from the Computer. remove the power/sw connector From motherboard, And Bridge the power/sw with A plastic jumper Block. then replace power lead, and should boot up. If it does the fault is the actual power switch faulty.
You can download the manual for your motherboard here.
Inside you will find information of where does each connector go. Each connector on the case has a marking on it (HDD, PWR, RST or similar) which stands for hard disk LED, power button, reset button and so on. Connect it to the right place, and problem is solved.
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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.
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.