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:
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Supports 8 common sample rates from 5512 Hz to 48000 Hz
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Hardware full-duplex support enables simultaneous record and playback
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Some CMI8738 versions support 4 and 6 channel playback
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CMI8768 chips support 4, 6, and 8 channel playback
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CMI8768 chips can only record sample rates of 44100 Hz or 48000 Hz
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Hardware copying of front to rear for playing stereo input on 4 speakers
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S/PDIF input and output
SEE ALSO
HISTORY
The cmpci device driver appeared in OpenBSD 2.7.
BUGS
The Joystick port is not supported.