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NetBSD 6.1.5 - man page for az (netbsd section 4)

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AZ(4)				   BSD Kernel Interfaces Manual 			    AZ(4)

     az -- Aztech/PackardBell radio card device driver

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

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

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

     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.

     isa(4), radio(4)

     The az device driver appeared in OpenBSD 3.0 and NetBSD 1.6.

     The az driver was written by Vladimir Popov and Maxim Tsyplakov.  The man page was written
     by Vladimir Popov.

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

BSD					 October 8, 2001				      BSD
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