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Re: e machine T2742
Well I can tell you that the white wires are negative. The colored wires are positive. Do you still have your manual? Never mind that. There is not a description reference to show you how & where the connectors connect to the board. I would say the two "Black & white", connect the case speaker, most Pc's the negative would face to your right looking in at the board. "Blue & white" would be the reset switch & red & white most likely is the "Power Led". Good luck.
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Next to the battery you have a connector like this:
line 1 for 1st front-panel usb, line 2 for 2nd. there comes 4 wires from a single usb. take a set of four wires and plug them in in this order: (from left to right) Red white green black. Connect other wires to same order to line 2.
First of all these wires don't supply power to HDD. These wires are for indicator LEDs on the front
panel of the cabinet. One wire `power sw' is to switch on the system from the power button on front panel. `power led' wire is of the power led on the front panel. All these wires will be connected to the cluster of pins on one corner of the mother board. If you can see it will be indicated & printed near the cluster of pins on the mbd, that which pair of pins is meant for what connector. Try to correlate the names on connector with the print on the mbd.
Hi bossman9628A, normally its the wire colors that messes everyone up when trying to connect the front case wires to the motherboard. The MSI RX480 Neo2-F, AKA MS-7151 MB is no different but does use a second set of pins just to help you get more confused. Gather up all your case wires. You'll notice there is one color that is common. Chances are that color is white & is being used for the ground wire. Other colors like blue, green, red, light blue, light green & light red ECT are used for positive. The speaker uses black for ground/negative. So looking at JFP1 at pin 1 is positive +. Pin 3, which is to the right of pin 1 is negative -. The manual does show you which pin is negative & which is positive. Pin 1 = (HD_LED_P). The _P stands for positive. Pin 3 = (HD_LED_N). The _N stands for negative. Do not connect the Power led at JFP2. Keep the power led connected at JFP1. Do connect the case speaker at JFP2. Most cases do use 2-pin connectors but others use 3 & 4 pin connectors. If your case is such you can remove a wire from a connector by using a decent needle. There is a small black tab that you can pull towards your self while pulling the wire out. You can than slide the wire back into the connector where you need it. You'll know the wire is inserted correctly because you'll hear or feel it snap into the connector. If by sme chance you get a led backwards, don't freak out. The leds use 5v DC. Just shut down the system & turn that led 180deg & reconnect it.
Hi ford, the most common case colored wires used for negative - is white. The colors blue, red, green are usually positive +. The internal speaker though it uses a 4 pin connector only plugs onto the 2 end pins. Black is connected to negative - pin & red is connected to + positive pin. (Depending on the MB model).
All these case LED's use 5volts DC. If you make a boo-boo, don't freak out. You can usually shut down the system & turn the connector 180 & re-connect it with out hurting the board. Suggest you connect 1 at a time & check in-between each.
Still having trouble, include the name & model number of the MB.
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.
From my extensive experience trial and error can sometimes be the best solution here, never had any shorts with this solutution. plug the power supply onto the mboard then with a screw driver touch together two pins at a time on themboard following a the pins on the panel horizontally, when you touch together the right two pins your mboard will power-up then insert the on-off plug on those two pins 99.9% of the time they are plugged facing inwards (the writing on the plug faces towards the major part of the mboard) after that you can insert the led plugs by the same consept of trial and error. You must plug your harddriver to your board to find the hdd led because then it will flicker when found the power led will remain on constantly. with the resert button the 99.9% of the time the pins are directly below, above or adjacent to the power-on pins. when it comes to the usb pins check-
. . . . . . . . . they are in this order above if the spare pin is on the right. starting from left to right, starting with the top row insert - red - white - green - black. the same works for the bottom row.