ESO(4) | Device Drivers Manual | ESO(4)

# NAME

`eso` — ESS Technology Solo-1 PCI AudioDrive audio device

# SYNOPSIS

`eso* at pci?`
`audio* at eso?`

# DESCRIPTION

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.

# DIAGNOSTICS

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.

# SEE ALSO

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

# HISTORY

The `eso` device driver appeared in OpenBSD 2.5.

# BUGS

The game port and MIDI port are not supported.

July 31, 2010 | Debian