Question about Dell OptiPlex GX270 PC Desktop

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

I am in need of a layout to install the Insert connections on the proper pins of a 34 pin Front Panel SATA Dell GX270 motherboard. 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

    First, I want to thank you for your help. When I saw your pictures, I got excited. Unfortunately, the layout is for a 20 pin front panel.

    I am in need of a 34 pin layout. The one I have has absolutely no lettering to place the inserts. All I have is the 1 and 2 also the

    33 and 34. Location 21 has no pin. I really appreciate your help.

    Please contact me if you locate a 34 pin layout. ----Thank you

  • disBme Jun 01, 2009

    Thank you for trying. If you locate a complete 34 pin out in the future, I will appreciate your forwarding it to me.--------Thank You

  • Dick
    Dick May 11, 2010

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2 Answers

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  • Dell Master
  • 4,806 Answers

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 >>>>>>

Proper pin numbers to install inserts in a Dell SA - 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

  • Lee Hodgson
    Lee Hodgson Jun 01, 2009

    Here you go >>>>>
    here's a diagram of the front panel connector on the motherboard:



    33 31 29 27 25 23 21 19 17 15 13 11 9 7 5 3 1

    o o o o o o x o o o o o o o o o o

    o o o o o o o o o o o o o o o o o

    34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2



    The 34-pin ribbon cable runs to a small sub-board for the front panel,
    which includes a 16-pin(2x8) header which gets another ribbon cable
    that goes to the "sub-board" for the actual panel light and
    switches.



    The table below shows the functions of the pins on the 34-pin
    connector, plus where they connect to on the 16-pin "sub-board" header.




    34-Pin function 16-Pin

    1 GND 3, 7, 15, 16

    2 ?

    3 ?

    4 ?

    5 ?

    6 ?

    7 ?

    8 ?

    9 GND

    10 ? 11

    11 GND

    12 ?

    13 ?

    14 GND

    15 ?

    16 GND

    17 ?

    18 ?

    19 GND

    20 Pwr Switch 2

    21 “KEY”

    22 HD LED 4

    23 PWR LED - 5

    24 ? 13

    25 GND

    26 ?

    27 PWR LED + 9

    28 ? 8

    29 GND

    30 GND

    31 ?

    32 GND

    33 ?

    34 ?

    Good luck


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  • Contributor
  • 26 Answers

Http://support.dell.com/support/edocs/systems/opgx270/SM/EN/iopnl.htm

Sadly, Dell does not give a pin-out for this header. We only know to hook pin 1 to pin 1, and 34 to 34.

beyond that, you're down to using a volt-meter in continuity test mode, to trace down individual connections on the disconnected option board.

Posted on Jun 01, 2009

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Dell GX270 SATA front panel 34 pin layout

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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The Front of your computer is the Front Panel.
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JFP1. Junction Front Panel 1.
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