AUICH(4) BSD Programmer's Manual AUICH(4)
auich - Intel 82801AA/AB/BA/CA/DB/EB, 82440MX, and compatibles PCI audio driver
auich* at pci? dev ? function ? flags 0x0000 audio* at auich?
The auich driver provides support for the AC97-based audio present on the Intel 82801AA/AB/BA/CA/DB/EB I/O controller hub (ICH/ICH0/ICH2/ICH3/ICH4/ICH5), 82440MX chipset, SiS 7012, AMD 768, AMD 8111, NVIDIA nForce and nForce2 chips. The auich DMA engine supports full-duplex operation and has separate channels for line input and micro- phone. Unfortunately, simultaneous recording from both line and micro- phone inputs is not supported due to the current ac97(4) design. Setting flags to 0x0001 will compensate for machines that have reversed stereo.
ac97(4), audio(4), intro(4), pci(4)
The auich device driver appeared in OpenBSD 2.8.
Some hardware implementations only support 48kHz sampling rates. MirOS BSD #10-current May 30, 2000 1
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