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RT(4)                        Device Drivers Manual                       RT(4)

     rt - AIMS Lab Radiotrack FM radio device driver

     rt0    at isa? port 0x20c
     rt1    at isa? port 0x284
     rt2    at isa? port 0x30c
     rt3    at isa? port 0x384
     radio* at rt?

     The rt driver provides support for the AIMS Lab Radiotrack FM radio
     tuners and compatible RadioReveal RA300 and SoundForte RadioX SF16-FMI FM
     radio tuners.

     The Radiotrack is a stereo FM tuner that allows to tune in the range 87.5
     - 108.0 MHz, report signal status on the current frequency, and force
     audio output to mono.

     The Radiotrack cards take only one I/O port.  The I/O port is set by the
     driver to the value specified in the configuration file and must be
     either 0x20c or 0x30c.

     isa(4), radio(4)

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

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

     Support for the SF16-FMI cards is rather ugly, volume control is not
     working and the driver can not correctly determine signal state.

NetBSD 9.99                     October 8, 2001                    NetBSD 9.99