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NAME

     cx — driver for synchronous/asynchronous Cronyx Sigma WAN adapters

SYNOPSIS

     To compile this driver into the kernel, place the following line in your kernel
     configuration file:

           device cx

     Alternatively, to load the driver as a module at boot time, place the following line in
     loader.conf(5):

           if_cx_load="YES"

     Additional options:
     device sppp
     options NETGRAPH
     options NETGRAPH_CRONYX

     In /boot/device.hints:
     hint.cx.0.at="isa"
     hint.cx.0.port="0x240"
     hint.cx.0.irq="15"
     hint.cx.0.drq="7"

DESCRIPTION

     The cx driver needs either sppp(4) or netgraph(4).  Which one to use is determined by the
     NETGRAPH_CRONYX option.  If this option is present in your kernel configuration file, the cx
     driver will be compiled with netgraph(4) support.  Otherwise, it will be compiled with
     sppp(4) support.

     The base I/O port address specified in /boot/device.hints must match the port address set by
     the jumpers on the board.  The DMA I/O channel and interrupt request numbers are configured
     by software at adapter initialization.  Legal values are:

     Port:  0x240, 0x260, 0x280, 0x300, 0x320, 0x380
     IRQ:   3, 5, 7, 10, 11, 12, 15
     DMA:   5, 6, 7

     The cx driver supports autodetection.  As for all non-PNP hardware, using autodetection
     could lead to some potential problems with other devices during the hardware detection
     process.  It is always better to specify hardware resources manually.

     Refer to sconfig(8) for information about the cx adapter configuration.

HARDWARE

     The cx driver supports the following cards:

     ·   Cronyx Sigma-22, Sigma-24
     ·   Cronyx Sigma-100
     ·   Cronyx Sigma-400, Sigma-401, Sigma-404, Sigma-410, Sigma-440
     ·   Cronyx Sigma-500
     ·   Cronyx Sigma-703
     ·   Cronyx Sigma-800, Sigma-801, Sigma-810, Sigma-840

SEE ALSO

     cp(4), ctau(4), sppp(4), ifconfig(8), sconfig(8), spppcontrol(8)

HISTORY

     The cx driver was updated in FreeBSD 5.2 and FreeBSD 4.10.  In most of the previous versions
     of FreeBSD the cx driver is out of date.  The cx driver for previous versions of FreeBSD is
     available from http://www.cronyx.ru/.