Asus N751JK - ALC668 - hdajacksenseresults: ----- Nothing plugged in: Pin 0x12 (Internal Mic): present = No Pin 0x14 (Internal Speaker): present = No Pin 0x15 (Black Headphone, Left side): present = No Pin 0x16 (Not connected): present = No Pin 0x18 (Not connected): present = No Pin 0x19 (Pink Mic, Left side): present = No Pin 0x1a (Internal Speaker): present = No Pin 0x1b (Black Mic, Left side): present = No Pin 0x1d (Not connected): present = No Pin 0x1e (Not connected): present = No Pin 0x1f (Not connected): present = No --- Only headset plugged in: Pin 0x12 (Internal Mic): present = No Pin 0x14 (Internal Speaker): present = No Pin 0x15 (Black Headphone, Left side): present = Yes Pin 0x16 (Not connected): present = No Pin 0x18 (Not connected): present = No Pin 0x19 (Pink Mic, Left side): present = No Pin 0x1a (Internal Speaker): present = No Pin 0x1b (Black Mic, Left side): present = No Pin 0x1d (Not connected): present = No Pin 0x1e (Not connected): present = No Pin 0x1f (Not connected): present = No --- Only headphones plugged in: Pin 0x12 (Internal Mic): present = No Pin 0x14 (Internal Speaker): present = No Pin 0x15 (Black Headphone, Left side): present = Yes Pin 0x16 (Not connected): present = No Pin 0x18 (Not connected): present = No Pin 0x19 (Pink Mic, Left side): present = No Pin 0x1a (Internal Speaker): present = No Pin 0x1b (Black Mic, Left side): present = No Pin 0x1d (Not connected): present = No Pin 0x1e (Not connected): present = No Pin 0x1f (Not connected): present = No --- Only microphone plugged in: Pin 0x12 (Internal Mic): present = No Pin 0x14 (Internal Speaker): present = No Pin 0x15 (Black Headphone, Left side): present = Yes Pin 0x16 (Not connected): present = No Pin 0x18 (Not connected): present = No Pin 0x19 (Pink Mic, Left side): present = No Pin 0x1a (Internal Speaker): present = No Pin 0x1b (Black Mic, Left side): present = No Pin 0x1d (Not connected): present = No Pin 0x1e (Not connected): present = No Pin 0x1f (Not connected): present = No --- Only subwoofer plugged in: Pin 0x12 (Internal Mic): present = No Pin 0x14 (Internal Speaker): present = No Pin 0x15 (Black Headphone, Left side): present = No Pin 0x16 (Not connected): present = No Pin 0x18 (Not connected): present = No Pin 0x19 (Pink Mic, Left side): present = No Pin 0x1a (Internal Speaker): present = Yes Pin 0x1b (Black Mic, Left side): present = No Pin 0x1d (Not connected): present = No Pin 0x1e (Not connected): present = No Pin 0x1f (Not connected): present = No Note that I have used hdajackretask to assing pin 0x1a -> LFE, apparently resulting in jack detection for the subwoofer. On 5 October 2015 at 06:51, Raymond Yau