All contents of this website, including, but not limited to text, illustrations, photographs, sound files, animation files, video files, icons, interfaces and layouts or other such arrangements are the copyrighted property of Cmedia Electronics Inc. Naturally, if you notify us that you do not want us to use your information for a particular purpose, we will not do so. If you are sharing a computer with anyone, you should always choose to log out before leaving a site or service to protect access to your information from subsequent users. The motherboard can determine if the dongle is plugged in by examining the logic level on pin 4. And we use cookies to customize your experience and provide greater convenience each time you interact with us. Any unauthorized use of the content of the website by any other party will violate various copyright laws, trademark laws, the laws of privacy and publicity, and civil and criminal statutes.

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Be assured that Cmedia does not sell or rent your contact information to other marketers. In the HDA design, when the plug is not inserted, the codec sends the audio directly to the speakers the audio does not go out to the front panel and then loop back to the speakers.

As is true of most web sites, we gather certain information automatically and auvio it in log files. A similar isolated switch is used to detect when a microphone has been plugged in.

cofec These companies may help us process information, extend credit, fulfill customer orders, deliver products to you, manage and enhance customer data, provide customer service, assess your interest in our products and services, or conduct customer research or satisfaction surveys.

For example, knowing your email address allows us to send you informative newsletters and driver information, wudio generally helps us provide a more useful online experience.


Your privacy is a priority at Cmedia, and we go to great lengths to protect it. In AC’97, pins 2 and 4 are audio ground, but pin 4 is often disconnected.

Intel High Definition Audio – Wikipedia

Intel products Sound cards. Audio, mono, in mic. This website may not be linked to or linked from any external website without our express written permission. This page was last edited on 13 Octoberat Intel High Definition Audio also called HD Audio or development codename Azalia is a specification for the audio sub-system of personal computers.

Not present, physical key. Retrieved 14 January Pixel tags also enable us to send email messages in a format customers can read.

Intel provides a specification for that header, but qlc/cmi signal assignments are different for AC’97 and HD Audio headers. When the plug is inserted, the isolated switch inside the jack informs the motherboard, and the codec sends audio to the headphones. Please note that certain features of the Cmedia website will not be available once cookies are disabled. We store all of this information in a secure database located in Canada.

Intel High Definition Audio

Many motherboards with AC’97 audio need two jumpers to short the pins in case no front panel audio module is connected, so audio passes to the speakers. If you are sharing a computer with anyone, you should always choose to log out before leaving a site or service to alc/cmmi access to your information from subsequent users.

And we use cookies to customize your experience and provide greater convenience each fodec you interact with us. By using this site, you agree to the Terms of Use and Privacy Policy. When we change the policy in a material way a notice will be posted on our website along with the updated privacy policy.


The content of this website is meant for the sole purpose of providing information about Cmedia products.

Sound Install Alc/cmi Audio Codec Driver – Jetway P4MDMR7A User Manual [Page 41]

Consequently, an HDA motherboard would not detect the presence of an AC’97 dongle with a disconnected pin 4. If the headphones are not plugged in, the jack directs the audio to the return pins that are connected to the speakers. Cmedia has safeguards in place to keep your personal information alc/mi, complete, and up to date for the purposes for which it is used.

Because it helps us deliver a superior level of customer service. If, however, you prefer not to enable cookies, please go to www.

To make sure your personal a,c/cmi is secure, we communicate these guidelines to Cmedia employees and strictly enforce privacy safeguards within the company.

Cmedia is not responsible for the personally identifiable information you choose to submit in vodec forums.

Cmedia website has links to the sites of other companies. It is strongly recommended that motherboard designers only use Intel HD Audio analog front panel dongles with the Intel HD Audio analog front panel header to insure that the jack detection and dynamic re-tasking capability is preserved.

When a customer clicks one of these URLs, they pass through our ajdio server before arriving at the destination web page. In some of our email messages we use a lick-through URL linked to content on the Cmedia website.