Figure out your chipset

Save Subscribe

Figure out your chipset


Start by having your Raspi turned off/shutdown (perform a clean shutdown!) and then plugging in your USB audio card. Then boot the Pi as normal.

Once you log in, type dmesg | grep cm109 to look at the boot messages. You should either see some lines about cm109 if you have a CM109 chipset

raspberry_pi_grepcm109.png

or if nothing comes up, try dmesg | grep Headphone you will see the C-Media USB Headphone Set driver. This means its a CM-headphone
raspberry_pi_headphone.png

or if nothing comes up, try dmesg | grep C-Media you will see some C-Media notes but no mention of the cm109 driver. This means its a CM108 or PCM2902

raspberry_pi_cm108.png

or if nothing comes up, try dmesg | grep General you will see mention of GeneralPlus. This means it's a GeneralPlus

learn_raspberry_pi_general.png
 Instructions CM108 Type 

This guide was first published on Sep 17, 2013. It was last updated on Sep 17, 2013.

This page (Figure out your chipset) was last updated on Apr 07, 2014.

Text editor powered by tinymce.