Question about Dell OptiPlex GX270 PC Desktop

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Dell GX270 SATA front panel 34 pin layout

I'm certainly NOT illiterate--READ my request, for those in NEED, I WILL REPEAT THE REQUEST:
I am in need of a layout to properly connect the POWER SWITCH, POWER LED, HARD DRIVE, RESET SWITCH to my DELL SATA GX270-----34 pin (I REPEAT 34 PIN) FRONT PANEL PINS. My question has nothing to do with PATA or SATA connections. If anyone has an answer for me, I will be grateful.

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  • disBme Jun 01, 2009

    Can you assist on the above listed request. ----Thank You

  • disBme Jun 01, 2009

    Can you assist on the above listed request. ----Thank You

  • disBme Jun 01, 2009

    Tons of info---still looking---nothing yet on 34 pin front panel pin connections. ------Thank you for your help

  • Dick
    Dick May 11, 2010

    Posting once is enough.

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Link to GX system board layout: http://support.dell.com/support/edocs/systems/opgx270/en/ug/index.htm It's all on a small board and control panel, both of which connect via ribbon cables. Have you removed the power switch, etc from theseboards?

Dan

Posted on Jul 18, 2009

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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

Posted on Jun 01, 2009

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leecom72
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SOURCE: 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!!

Posted on Jun 01, 2009

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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

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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!!

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34 pin FRONT PANEL insert locations.


http://support.dell.com/support/edocs/systems/opgx270/en/ug/specs.htm

This link should open an html document from Dell, providing you with all the information you seek.

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


why do you need the IDE cable pin out if you are using SATA?
they are diiferent and not interchangeable. if you want to use IDE pin out for SATA, then you need to get a adapter from IDE to SATA.

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