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How do I get subwoofer working on D945GCLF motherboard?

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  • How do I get subwoofer working on D945GCLF motherboard?

    I got the Intel D945GCLF and cannot figure out how to flip the microphone in port on the board to be a LFE (subwoofer) out port like I did with my old M10000. Has anyone done this? I installed every updated driver, all the audio drivers and I have 4 channel sound right now. I just cannot get 4.1 sound going.....I'll even settle for 2.1, I just want the subwoofer. Anyone know how to get this board to flip the microphone port to LFE?
    Ampie Case
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    2005 Honda Civic

  • #2
    i don't know for the board(i have that board, but use a sound card), but another option would be to use a subwoofer crossover(about $15-$50) off the stereo channels to get the sub output.
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    • #3
      To get the sub/center to work on the intel you have to have all three ports used in the back. Unlike my desktop board the intel would not let me select which one was which. So I just used two ports to be the front and rear for my 4 channel amp and the last to be the sub channel on my factory amps. I have to use a front panel connection for the line in/mic

      Good luck
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      • #4
        Originally posted by Deric View Post
        To get the sub/center to work on the intel you have to have all three ports used in the back.
        I have this done. 2 of them go into the speaker amplifier and the bottom one goes into the subwoofer amplifier. No sound from the subwoofer.

        Originally posted by Deric View Post
        Unlike my desktop board the intel would not let me select which one was which.
        Huh? So there's no option to select which port is subwoofer out? I thought that's how they all are, only the microphone input can be switched to LFE.

        Originally posted by Deric View Post
        So I just used two ports to be the front and rear for my 4 channel amp and the last to be the sub channel on my factory amps.
        I tried that, no sound from the subwoofer and the Intel sound test in the application installed with the driver only test the 4 speakers, there's no subwoofer in the test.

        Originally posted by Deric View Post
        I have to use a front panel connection for the line in/mic

        Good luck
        For the subwoofer or you actually use a microphone?

        Sorry, I still don't get what you're saying here, I tried using all the ports but that microphone input on the back just will not produce any output no matte what I do. Can you clarify?
        Ampie Case
        2.5" Hard Drive 80GB Samsung 5400RPM
        256 MB DDR2 PC5400
        Xenarc 700TSV - VGA Monitor
        Intel D945GCLF Motherboard
        M2-ATX-HV

        2005 Honda Civic

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        • #5
          This is taken from the manual:

          Onboard Audio Subsystem
          Desktop Board D945GCLF has a 4-channel (two independent 2-channel audio streams)
          onboard audio subsystem that includes a Realtek ALC662 audio codec.
          The audio subsystem features:
          • Intel High Definition Audio interface
          • Advanced jack sense, for the back panel connectors, that enables the audio codec
          to recognize the device that is connected to an audio port and retask the connector
          via the audio driver.
          • S/N (signal-to-noise) ratio: 95 dB
          • Microphone input supporting:
          ― Stereo microphone
          ― Microphone boost
          The subsystem includes the following headers and connectors:
          • Front panel audio header, including functionality for:
          ― Line out
          ― Microphone in
          • Back panel audio connectors that are configurable through the audio device
          drivers:
          ― Line in/retasking jack
          ― Line out/retasking jack
          ― Mic in/retasking jack
          It also has the RealTek* ALC662 audio codec which says:
          ALC662



          5.1 Channel High Definition Audio Codec

          General Description
          The ALC662 is a 5.1 Channel High Definition Audio Codec designed for Windows Vista desktop and mobile PCs. Its performance and functionality meet Microsoft Windows Vista (WLP 3.08) premium requirements. The ALC662 features three stereo DACs, two stereo ADCs, and legacy analog input to analog output mixing, to provide a fully-integrated audio solution for multimedia PC systems.

          All analog IO (except CD-IN and PCBEEP) are input and output capable, and three headphone amplifiers are also integrated to drive earphones on front (port-E and port-F) and rear panel (port-D).

          The ALC662 supports 16/20/24-bit S/PDIF output function and a sampling rate of up to 96kHz. It offers easy connection of PCs to high quality consumer electronic products such as digital decoders and speakers.

          The ALC662 supports host/soft audio from the Intel ICH series chipset, and also from any other HDA compatible audio controller. With EAX/Direct Sound 3D/I3DL2/A3D compatibility, and excellent software utilities like Karaoke mode, environment emulation, software equalizer, HRTF 3D positional audio, and optional Dolby® Digital Live, DTS® CONNECT™, and Dolby® Home Theater programs, the ALC662 provides an excellent home entertainment package and game experience for PC users.

          Features
          Hardware Features

          Meets performance requirements for Microsoft WLP 3.08 Vista premium and mobile PCs
          Six channel DAC supports 16/20/24-bit PCM format for 5.1 channel audio solution
          Two stereo ADC support 16/20-bit PCM format
          All DAC support independent 44.1k/48k/96kHz sample rate
          All ADC support independent 44.1k/48k/96kHz sample rate
          Supports 44.1k/48k/96kHz S/PDIF output
          All analog jack port are stereo input and output re-tasking
          Analog differential CD input
          Supports analog PCBEEP input
          Integrates digital BEEP generator
          Up to four channels of microphone array input are supported for AEC/BF application
          Supports legacy analog input to analog output mixer
          Built-in three headphone amplifiers for port-D (rear panel), port-E and port-F (front panel)
          Software selectable 2.5V and 3.2V reference output for microphone bias
          Software selectable boost gain (+10/+20/+30dB) for analog microphone input
          Two jack detection pins: each supports detection of up to 4 jacks
          Jack detection function is supported when device is in power down mode (D3)
          Supports two GPIO pins (general purpose input and output)
          Supports EAPD (external amplifier power down) control for external amplifier
          Support 1.5V~3.3V scalable I/O for HD Audio link
          Supports anti-pop mode when analog power AVDD is on and digital power is off
          48-pin LQFP ‘Green’ package
          Pin-to-pin compatible with ALC88x series, ALC660 series, and ALC26x series audio codecs

          Software Features
          Compatible with Windows Vista Premium (complies with Microsoft WLP 3.08 specifications)
          WaveRT-based audio function driver and logo ready for Windows Vista
          Direct Sound 3D™ compatible
          A3D™ compatible
          I3DL2 compatible
          HRTF 3D Positional Audio
          Friendly user interface for 2-foot or 10-foot remote control applications
          Emulation of 26 sound environments to enhance gaming experience
          10 Software Equalizer Bands
          Voice Cancellation and Key Shifting in Karaoke mode
          Windows Vista style configuration panel to improve user experience
          Microphone Acoustic Echo Cancellation (AEC), Noise Suppression (NS), and Beam Forming (BF) technology for voice application
          Features Dolby® Digital Live and DTS® CONNECT™ software (Optional)
          Features Dolby® Home Theater software (Optional)

          Applications
          Desktop and mobile multimedia PCs
          Information Appliances (IA)
          Ampie Case
          2.5" Hard Drive 80GB Samsung 5400RPM
          256 MB DDR2 PC5400
          Xenarc 700TSV - VGA Monitor
          Intel D945GCLF Motherboard
          M2-ATX-HV

          2005 Honda Civic

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          • #6
            My application (realtek sound control app) has a subwoofer control. You might check the bios to see if there is an option to select the sound card mode. I'll get some more details on mine and post back.
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            2006 F150 with removable Nexus 7

            2006 Mustang with indash CarPC (Retired)

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            • #7
              Using LF2 here.

              If you've enabled the six channel audio out in the soundcard app, check the mixer tab and the sub volume.

              GL!

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              • #8
                Can I see some screenshots of where you enabled it and I'll see if I have that option on mine?
                Ampie Case
                2.5" Hard Drive 80GB Samsung 5400RPM
                256 MB DDR2 PC5400
                Xenarc 700TSV - VGA Monitor
                Intel D945GCLF Motherboard
                M2-ATX-HV

                2005 Honda Civic

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                • #9
                  Bump please. Trying to work on this in between everything else.
                  Ampie Case
                  2.5" Hard Drive 80GB Samsung 5400RPM
                  256 MB DDR2 PC5400
                  Xenarc 700TSV - VGA Monitor
                  Intel D945GCLF Motherboard
                  M2-ATX-HV

                  2005 Honda Civic

                  Comment


                  • #10
                    Still struggling with this.
                    Ampie Case
                    2.5" Hard Drive 80GB Samsung 5400RPM
                    256 MB DDR2 PC5400
                    Xenarc 700TSV - VGA Monitor
                    Intel D945GCLF Motherboard
                    M2-ATX-HV

                    2005 Honda Civic

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                    • #11
                      Easy solution: If you're already amping your front speakers, use another RCA from it's pass-through to your sub amp.

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                      • #12
                        But then it would send voice to the coils in the sub, correct? I just want any sound, I want the LFE specifically, will this work?
                        Ampie Case
                        2.5" Hard Drive 80GB Samsung 5400RPM
                        256 MB DDR2 PC5400
                        Xenarc 700TSV - VGA Monitor
                        Intel D945GCLF Motherboard
                        M2-ATX-HV

                        2005 Honda Civic

                        Comment


                        • #13
                          I currently have my PC going through my head unit but my plans are to remove the head unit eventually. I am interested to see how you get this working. Though I am using only on AMP as opposed to two separate.
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                          • #14
                            From what I read the D945GCLF only supports 4 channels...

                            "Desktop Board D945GCLF has a 4-channel (two independent 2-channel audio streams)" It says nothing about a 5th (4.1), 6th (5.0), or 7th channel

                            Thats why im getting the D945GCLF2 Which supports 5.1 audio
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                            • #15
                              Originally posted by drdream View Post
                              From what I read the D945GCLF only supports 4 channels...

                              "Desktop Board D945GCLF has a 4-channel (two independent 2-channel audio streams)" It says nothing about a 5th (4.1), 6th (5.0), or 7th channel

                              Thats why im getting the D945GCLF2 Which supports 5.1 audio
                              or save some money and get a $10-$50 external subwoofer crossover... like this:
                              http://www.sonicelectronix.com/item_...amid+CR66.html
                              My OLD 2001 Mitsubishi Eclipse GT:
                              "The Project That Never Ended, until it did"


                              next project? subaru brz
                              carpc undecided

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