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ESO(4) Device Drivers Manual ESO(4)


esoESS Technology Solo-1 PCI AudioDrive audio device


eso* at pci?
audio* at eso?


The eso device driver supports sound cards based on ESS Technology Solo-1 PCI AudioDrive chips (ES1938 and ES1946), e.g. the TerraTec 128i PCI card.


eso0: can't map Audio 1 DMA into I/O space
PCI autoconfiguration did not map the first audio channel DMA controller into I/O space at a suitable address, and the driver was not able map it by itself. In that case only playback functionality will be available.
eso0: reset timeout
The device failed to acknowledge being reset.
eso0: RDR timeout
The driver timed out reading data from a controller register.
eso0: WDR timeout
The driver timed out waiting to send a command or writing to a controller register.


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


The eso device driver appeared in OpenBSD 2.5.


The game port and MIDI port are not supported.
July 31, 2010 OpenBSD-6.1