p5b audio front panel connector question

Discussion in 'Asus' started by Irv, Sep 5, 2006.

  1. Irv

    Irv Guest

    i am using a p5b deluxe in a zalman hd160 case.
    i don't don't know how to connect the front panel connectors to the
    motherboard.
    here is what i have.

    the zalman hd160 has the following connectors:
    mic-pwr, mic-in
    ground
    l-out and r-out
    ret-l and ret-r

    the p5b can be configured two ways - one is hd compliant and the other is
    legacy ac97.

    the hd compliant pins are:
    port 1 l and port 1 r
    port 2 l and port 2 r
    ground
    sense 1 return and sense2 return
    sense send and presence

    the legacy ac97 pins are:
    line out l and line out r
    micpwr and mic2
    agnd

    my guess is that i use the legacy ac97 and connect the two zalman mic
    connectors to the 2 p5b mic pins
    the ground to the ground
    and the l-out and r-out to the p5b line out l and line out r

    am i correct.
    a pain in the neck to get to thge connectors in the case so i would like to
    do it once.

    thanks
     
    Irv, Sep 5, 2006
    #1
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  2. Irv

    Paul Guest

    Yes, that seems reasonable.

    On the Zalman microphone jack, mic-in should be Tip,
    mic-pwr is Ring, ground is Sleeve on the 1/8" jack.
    On the headphone output, l-out should be Tip,
    r-out is Ring, ground is again the Sleeve.
    Tip, Ring, and Sleeve are the names of the three
    contacts on a 1/8" connector.

    The ret-l and ret-r don't do anything in this case, because
    the HDaudio nature of the sound solution, does not require
    returning any signals to drive the green jack on the back of the
    computer. The HDaudio chip has enough output drivers, that the
    green jack is driven directly by the HDaudio chip. And that
    is why the ret-l and ret-r are not used.

    Mobo zalman
    ---- ------
    line_out_l l-out
    line_out_r r-out
    micpwr mic-pwr
    mic2 mic-in
    agnd ground

    I'm still waiting to see a computer case with HDaudio labelled
    wiring.

    HTH,
    Paul
     
    Paul, Sep 5, 2006
    #2
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  3. Re: "The ret-l and ret-r don't do anything in this case, because
    the HDaudio nature of the sound solution, does not require
    returning any signals to drive the green jack on the back of the
    computer."

    That may be true, but another purpose of this wiring configuration is to
    have the speakers cut off when the headphones are plugged in.
     
    Barry Watzman, Sep 5, 2006
    #3
  4. Irv

    Paul Guest

    With a separate port for the headphone signal and for the
    green Lineout on the back of the motherboard, the headphone
    mute function can be implemented in software. (Having a working
    jack sense function helps.) The nice thing about using software,
    is there doesn't have to be any static as the jack is inserted
    or removed.

    Which they should have done in the first place for AC'97 :)
    That jumper scheme and ret-l/ret-r wiring was a pain.

    Paul
     
    Paul, Sep 6, 2006
    #4
  5. Irv

    Irv Guest

    Thanks for the help.

    maybe someday motherboard and case audio will become standarized.
     
    Irv, Sep 9, 2006
    #5
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