CMPCI(4) BSD Kernel Interfaces Manual CMPCI(4)
cmpci -- C-Media CMI8338/CMI8738/CMI8768 PCI audio device
cmpci* at pci?
audio* at cmpci?
The cmpci driver supports the C-Media CMI8338A, CMI8338B, CMI8738,
CMI8738B and CMI8768 sound chips present in some PCI sound cards and some
integrated PC motherboard chipsets (such as the SiS 530).
o Supports 8 common sample rates from 5512 Hz to 48000 Hz
o Hardware full-duplex support enables simultaneous record and
o Some CMI8738 versions support 4 and 6 channel playback
o CMI8768 chips support 4, 6, and 8 channel playback
o CMI8768 chips can only record sample rates of 44100 Hz or 48000
o Hardware copying of front to rear for playing stereo input on 4
o S/PDIF input and output
audio(4), intro(4), pci(4)
The cmpci device driver appeared in OpenBSD 2.7.
The Joystick port is not supported.
BSD March 24, 2017 BSD