[SOLVED] hd audio panel

[Haji13680201]

hi
please see hd audio panel
Why are some motherboard cables (hd audio) connected between pins two and four?
https://www.filemail.com/d/vvdfycgxxycuwaq

 

[CountMike]

hi
please see hd audio panel
Why are some motherboard cables (hd audio) connected between pins two and four?
https://www.filemail.com/d/vvdfycgxxycuwaq

2 is pin for ground (for everything).
See #4 for explanation.

 

[drea.drechsler]

hi
please see hd audio panel
Why are some motherboard cables (hd audio) connected between pins two and four?
https://www.filemail.com/d/vvdfycgxxycuwaq

Tying pin four (Presence#) to ground indicates to audio hardware and software that Intel HDAudio ports are connected. That's what that motherboard cable is doing for you.

 

[Haji13680201]

Tying pin four (Presence#) to ground indicates to audio hardware and software that Intel HDAudio ports are connected. That's what that motherboard cable is doing for you.

Thank you for your guidance. Therefore, it can be concluded that in cable Hd audio..., pins two and four should be connected with a short wire. it's true?

 

[drea.drechsler]

Thank you for your guidance. Therefore, it can be concluded that in cable Hd audio..., pins two and four should be connected with a short wire. it's true?

Usually connected through a resistor.

Here's an Intel guide for how to configure an HD audio front panel connector

http://www.formfactors.org/developer/specs/A2928604-005.pdf

Jump up to para 2.3.5 and it should tell you what you want to know.