Question about E-Machines eMachines T3830 PC Desktop

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Reset and power switch connection on motherboard

Need the layout as to where the reset and powerswitch wires go on motherboard

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  • jamco Nov 17, 2008

    went to the site but could not fine the wiring diagram..

  • jamco Nov 20, 2008

    did the job thanks a lot

  • Anonymous Dec 30, 2008

    I unpluged the power switch and now I do not know where the wires go in the motherboard

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  • E-Machines Master
  • 4,806 Answers

Find the make and model of the motherboard and download the user manual, the power connection wiring schematics wiil be in the manual

Posted on Nov 14, 2008

  • Lee Hodgson
    Lee Hodgson Nov 17, 2008

    have a look on the motherboard for the "front panel" this panel is where you plug in your power switch, reset switch and led light etc, here is a link in which i think may help you out:
    http://www.pctechguide.com/tutorials/MBo...

    good luck with it and regards




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Need circuit diagram for HP m8100 GC673AA


HP Support > Pavilion Media Center M8100n Desktop PC > Main Support page,

http://h10025.www1.hp.com/ewfrf/wc/product?product=3440614&lc=en&cc=us&dlc=en&lang=en&cc=us

Product information > Product specifications > Motherboard Specifications, MCP61PM-HM (Nettle2 {HP name} ),

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01077676&tmp_task=prodinfoCategory&cc=us&dlc=en&lang=en&lc=en&product=3440614

The front of your computer is the Front Panel.
The area of contact pins on the motherboard, that the Main wires connect to, is the Front Panel header.
(Power On switch, Power On LED, HarDDrive activity LED, etc)

The Front Panel header is Black, rectangular in shape, and is situated in a vertical position; located in the Bottom Right corner of the motherboard. (Next to the mounting hole)

It is a standard 9-pin HP Front Panel header,

http://h30434.www3.hp.com/t5/Desktop-Hardware/Getting-a-new-case-i-need-Front-Panel-pinout/td-p/842897

Scroll down to the 9-pin Front Panel header photo, and pinout.

The 4-pin side is the EVEN side. Pins 2, 4, 6, and 8. There is NO Pin 10.
The 5-pin side is the ODD side. Pins 1, 3, 5, 7, and 9.

A) Pins 1 and 3 are for the HarDDrive activity LED. (Light Emitting Diode, so it is redundant to call it a light)

Pin 1 is for the Positive ( + ) wire.
IF the HDD LED is dim when the harddrive is active, (IN use), switch the wires around.

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

C) Pin 9 is N/C. Not Connected. Reserved for factory use, and it is +5 Volts.

D) Pins 2 and 4 are for the Power On LED.
Pin 2 is for the Positive ( + ) wire.
If the PWR LED is dim when the computer is on, switch the wires around.

E) Pins 6 and 8 are for the Power On switch.

Scroll the HP Support Motherboard Specification page down. Click on the + sign next to Motherboard Layout.

Left to Right on bottom edge of motherboard, Internal Connectors;

AUDIO_1 is for the audio ports on the Front Panel.
ATX_IN is where the small audio cable from the optical drive plugs in.
(CD/DVD drive)
IF TWO optical drives are used; the Main, or Primary optical drive, is connected with the small audio cable. NOT the secondary optical drive.

HD_AUDIO also connects to audio ports in the Front Panel.
May be mistaken, but don't believe SPDIF_OUT header is used.
1394A1 header is for the Firewire ports in the Front Panel (1394a)
USB 2 and USB 4 headers are for the Front Panel USB ports.
USB 1 and USB 3 should be for a Card Reader.

Need where the power cables go, and what they look like? Just post back in a Comment.

(Be SURE to FOLLOW Anti-Static Precautions)

Regards,
joecoolvette

[ Didn't think you actually wanted an actual circuit diagram. That is copyrighted by HP, and Elitegroup Computer Systems. (ECS)

Dec 03, 2012 | PC Desktops

1 Answer

How to connect front panel to acer power s290 motherboard


http://www.ascendtech.us/acer-aspire-sa90-mbs7109002-motherboard_i_mbacembs7109002.aspx

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

Looking at the Front Panel header it is parallel to the outside edge on the bottom/right of the motherboard.

13 pin header.
6 across the Top row with 1 pin missing, 7 across the Bottom row.

Top row is numbered EVEN
Starting on LEFT side coming across to the Right, Top row;
Pins 2, 4, 6, 8, No Pin, 12, and 14.

Pins 2 and 4 have a Green area
Pins 6 and 8 have a Red area
No Pin 10.
Pins 12, and 14 have a Yellow area

Bottom row is numbered ODD.
Starting on LEFT side coming across to the Right, Bottom row;
Pins 1, 3, 5, 7, 9, 11, and 13.

Pins 2 and 4 have a Green area
Pins 6 and 8 have a Red area
No Pin 10.
Pins 12 and 14 have a Green area.

A) Pins 2 and 4 in the Green area (Top left) are for the Power On LED
Pin 2 is for the Positive ( + ) wire.
If the Power On LED is dim when the computer is on, switch the wires around.

B) Pins 6 and 8 in the Red area are for the Power On switch.

C) Pins 12 and 14 are N/C. Not Connected

D) Pins 1 and 3 in the Yellow area, are for the HarDDrive activity LED light.
Pin 1 is for the Positive wire.
If the HDD LED is dim when the harddrive is active, switch the wires around.

E) Pins 5 and 7 in the Purple area, are for a Reset switch, IF a Reset switch is used.

F) Pins 9, 11, and 13 are N/C.
(Pin 9 is 5 Volts DC. Used by the factory for testing)

Regards,
joecoolvette

(I thought the internal speaker was that round little 'buzzer', below the bottom white PCI slot, (PCI 2), and close to the edge of the motherboard )

Nov 01, 2012 | Acer Power S290 PC Desktop

1 Answer

Need wiring diagram for placement of the internal cables in Compaq Presario SR5410F


Top view photo of the motherboard, of an MSI MS-7525 motherboard made FOR HP by MSI, for a Compaq Presario SR5410F Desktop PC,

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01386897&tmp_task=prodinfoCategory&cc=us&dlc=en&lang=en&lc=en&product=3686678

Also scroll down the page, and click on the + sign to the left of -
Motherboard Layout.

A) 24-pin ATX main power cable:

In the photo, look to the right of the Blue ram memory slots.

The Yellowish/Whitish connector to the right of them, with two columns of 12 socket holes, is where the 24-pin ATX main power cable plugs in.

In the Motherboard Layout it is marked by - ATX1

This is a general example of a 24-pin ATX main power cable, and it's respective connector on the motherboard,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24

Note the middle photo, and the Lock on the side of the power cable's connector. The Lock has a hooked end that goes over a Tab, on the motherboard's connector.

The Lock works like a see-saw on a playground. The top is squeezed in, and this brings the hooked end away from the Tab, in order to remove the power cable.
When assured that the power cable is plugged in tightly, and therefore correctly, the hooked end of the Lock will be over the motherboard connector's Tab.

B) 4-pin ATX +12 Volt power cable:

In the center of the motherboard, under the Processor socket, is the Northbridge chip. (Part of the motherboard chipset)
It is under a finned aluminum Heatsink, that resembles a meat tenderizer's head.

Draw an imaginary line up above it, in-between the Processor socket, and the aluminum finned Heatsink, and go straight LEFT.
See the whitish 4-socket hole square connector?

In the Motherboard Layout it is marked by - JPW1

This is where the 4-pin ATX +12 Volt power cable plugs in. It is power for the Processor. Has the same locking setup as the 24-pin ATX main power cable, and it's motherboard connector.

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

C) In the Motherboard Layout to the top left corner of ram memory Slot 1, (DIMM1), is where the Processor fan connects.
CPU_FAN1

D) In the Motherboard Layout just below JPW1 is where the computer case fan plugs into. SYS_FAN1

E) In the Motherboard Layout - SATA1 - is where the SATA Harddrive data cable plugs into. (Below ram memory slots)

http://en.wikipedia.org/wiki/File:SATA_ports.jpg

The SATA power cable from the power supply, plugs into the SATA harddrive. Note that the SATA power cable's connector, is longer in length than the SATA data cable's connector.

[SATA power cable has 15-pin. SATA data cable has 7-pins ]

Note that both cable's connectors, have an L-shape on the inside.

http://www.playtool.com/pages/psuconnectors/connectors.html#sata

NOTE*
This is what a 4-pin standard Peripheral power cable looks like,

http://www.playtool.com/pages/psuconnectors/connectors.html#peripheral

IF, your SATA harddrive has a provision for a SATA power cable, AND a 4-pin standard Peripheral power cable, ONLY use just the SATA power cable!

Otherwise you will burn up the SATA harddrive. May not happen right away, but I assure you it will happen!

[ A note on SATA.
The beauty of SATA, is that you can plug into ANY SATA connector on the motherboard, and BIOS will see it.

If you plug the Harddrive into SATA 1, or SATA 2, or SATA 3, or SATA 4, connector on the motherboard, IT DOES NOT MATTER.
BIOS will find the Harddrive, or optical drive ]

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

In the Motherboard Layout illustration, the Front Panel header is down at the Bottom/Right corner, and is marked - JFP1.
(Right in the very bottom/right corner is JUSB2. JFP1 is right above it)

JFP1. Junction Front Panel 1.
9-pin header. Black rectangle.
5 pins on the Right side, 4 pins on the Left side.

The pins are numbered EVEN on the LEFT side.
Starting on the BOTTOM going UP;
Pins 2, 4, 6, and 8. There is NO Pin 10.

The pins are numbered ODD on the RIGHT side.
Starting on the BOTTOM going UP;
Pins 1, 3, 5, 7, and 9.

A) Pins 1 and 3 are for the HarDDrive activity LED.
(Light Emitting Diode, so it is a light )

Pin 1 is for the Positive ( + ) wire. If the HDD LED is dim when the harddrive is active, switch the wires around.

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

C) Pin 9 is N/C. Not Connected. 5 Volt power, and reserved for the factory to use.

D) Pins 2 and 4 are for the Power On LED.
Pin 2 is for the Positive ( + ) wire.
If the PWR ON LED is dim when the computer is on, switch the wires around.

E) Pins 6 and 8 are for the Power On switch.

For additional questions please post in a Comment.
Regards,
joecoolvette

Aug 14, 2012 | HP COMPAQ Presario SR5410F Pentium...

1 Answer

I had to change the motherboard as it failed


Look at the front panel of the computer you will see the connections you have. Should be power, reset, power led, usb etc. These are connected to your current motherboard and most times all the connections will be labeled in the case, on the wire connector ends. IE the end that connects to the motherboard. The only exception to this is the usb ports, and they can be hooked up to new usb connectors on the motherboard. Also note, read i said READ the proper way to connect the usb to the motherboard, this is usually a one shot deal, get it wrong and you kill that usb connector.

Apr 24, 2010 | HP Media Center M370N (DM163A#ABA) PC...

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

1 Answer

Power wont com on


The wires from a powerswitch are soldered onto it most of the time. You will either have to re-solder them, purchase a new switch or simply buy a new computer case.

The easiest would be to purchase a new power switch. Connecting it to your motherboard shouldn't be a problem if you have documentation on your motherboard. They are very cheap (around $5) and shouldn't take too long to install if you know your way around a motherboard.

Jun 08, 2009 | Dell Dimension 4600 PC Desktop

2 Answers

Dell GX270 SATA front panel 34 pin layout


if you are talking about connecting the front chassis connectors to your motherboard then you need to find out the exact model of the MB... im assuming its Intel since its a Dell.

the link below should get you started

http://www.intel.com/support/product.htm

Jun 01, 2009 | Dell OptiPlex GX270 PC Desktop

2 Answers

Proper pin numbers to install inserts in a Dell SATA 34 pin GX270 motherboard


Hi there.
Get a strong flashlight and a magnifying glass (if you have one). On the motherboard look for the front panel, it should be marked PWR and coloured green, also the plug that connects to it should be marked PWR_SW. On some boards there are no colours but the markings are the same, so take a good close look.
Have a look at these pictures for an idea >>>>>>

7b784c6.jpg

104b755.jpg
Please post back with the results and any more advice if needed.

Good luck and thanks for choosing FixYa!!

Jun 01, 2009 | Dell OptiPlex GX270 PC Desktop

1 Answer

Emachine front panel power switch


Here's the Support Link for your desktop. Look under User Guides, Hardware Reference. Also look on the motherboard for markings such as PW or PS and an indicator to where the wire goes.

Nov 23, 2008 | E-Machines T3958 (827103050974) PC Desktop

1 Answer

Motherboard pin config


All motherboards have a print beside the pins, Speaker= "speak", "pwr s" =powerswitch, "HDDled" red light on front, rst = reset switch [not allways used] "pwr led" Green led, the case wires are usualy marked on the plug ends with the same , "hdd" "reset" and so on. The power switch will work both way's around however the led lights wont. You will not hurt anything if they are the wrong way around, they just wont work so if you dont get lights just reverse the polarity. If by chance the case wires do not have labels the just trace them to the case front panel and plug them into the corresponding board pins. Regards mistyman

Aug 28, 2007 | Systemax Ascent PC Desktop

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