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GeezerVison is showing man.openbsd.org — cmpci(4) - OpenBSD manual pages

NAME

cmpci — C-Media CMI8338/CMI8738/CMI8768 PCI audio device

SYNOPSIS

cmpci* at pci?
audio* at cmpci?

DESCRIPTION

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).

Hardware features:

  • Supports 8 common sample rates from 5512 Hz to 48000 Hz
  • Hardware full-duplex support enables simultaneous record and playback
  • Some CMI8738 versions support 4 and 6 channel playback
  • CMI8768 chips support 4, 6, and 8 channel playback
  • CMI8768 chips can only record sample rates of 44100 Hz or 48000 Hz
  • Hardware copying of front to rear for playing stereo input on 4 speakers
  • S/PDIF input and output

SEE ALSO

audio(4), intro(4), pci(4)

HISTORY

The cmpci device driver appeared in OpenBSD 2.7.

BUGS

The Joystick port is not supported.

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