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Dell 2400 motherboard and case connections

I bought a new case for my son and moved the old motherboard to the new case but i cant find any info on line on how to wire the individual pins to the pin block any help would be deeply appreciated, thank you very much
I have a bluford e93839-2y mobo

roughneck in michigan

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  • roughneck007 Apr 11, 2008

    Hi Markk thanks for helping but if you could steer me to a more detailed diagram ,because the problem is knowing where each connector goes. for example

    power sw blue and white wire

    h.d.d led red and white

    power led + green

    power led - white

    reset sw blue and white and so on, i have also the usb wires to connect the audio and mic wires , i understand the area they go but not the proper pin they actually attach to, im sorry if im not explaining this to well. i hope this makes sense. thank you again for your time.

  • roughneck007 Apr 11, 2008

    Thank you this what i was looking for !! but this is only one part of the puzzle,can you point me in the direction for the pin out header for the usb and the audio blocks ,i still have 2 more ribbions that need to be connected. Thankyou again!


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Pin Out for header

dell 2400 motherboard and case connections - e4d0411.jpg

Posted on Apr 11, 2008


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Below is a link to the owner's manual for the Dell 2400. On page 55 there is a diagram of the motherboard, and a description of each of the pins. I hope this helps.

Posted on Apr 11, 2008

  • Mark Kessler Apr 11, 2008



    Cable color


    +5 VDC

    Data -

    Data +

    GroundPin x of mini-USB connector may be not connected, connected to GND or used as attachment identification at some portable devices.
    USB pinout signals
    USB is a serial bus. It uses 4 shielded wires: two for power (+5v & GND) and two for differential data signals (labelled as D+ and D- in pinout). NRZI (Non Return to Zero Invert) encoding scheme used to send data with a sync field to synchronise the host and receiver clocks. In USB data cable Data+ and Data- signals are transmitted on a twisted pair. No termination needed. Half-duplex differential signaling helps to combat the effects of electromagnetic noise on longer lines. Contrary to popular belief, D+ and D- operate together; they are not separate simplex connections.


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