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NAME    [Toc]    [Back]

     az - Aztech/PackardBell radio card device driver

SYNOPSIS    [Toc]    [Back]

     az0   at isa? port 0x350
     az1   at isa? port 0x358
     radio* at az?

DESCRIPTION    [Toc]    [Back]

     The az driver provides support  for  the  Aztech/PackardBell
radio cards.

     The  Aztech/PackardBell  cards are stereo FM tuners that can
tune in the
     87.5-108.0 MHz range.  They are capable of reporting  signal
     (tuned/not tuned, stereo/mono signal) and forcing audio output to mono.

     The card is based on the LM7001 chip; see radio(4)  for  details.

     The Aztech cards use only one I/O port.  The I/O port is set
by the driver
 to the value specified in the  configuration  file.   The
I/O port must
     be one of 0x350 and 0x358.

SEE ALSO    [Toc]    [Back]

     intro(4), isa(4), radio(4), radio(9)

HISTORY    [Toc]    [Back]

     The az device driver appeared in OpenBSD 3.0.

AUTHORS    [Toc]    [Back]

     The az driver was written by Vladimir Popov <jumbo@narod.ru>
     Maxim Tsyplakov <tm@oganer.net>.  The man page  was  written
     Vladimir Popov <jumbo@narod.ru>.

BUGS    [Toc]    [Back]

     It  is  impossible  to determine which frequency the card is
tuned to.
     Thus, the driver will report an internally stored value even
if it is not
     correct  (changed  by some program that uses direct port access).

OpenBSD     3.6                         October      8,      2001
[ Back ]
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