cx(4)

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 com
piled 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:

+o Cronyx Sigma-22, Sigma-24
+o Cronyx Sigma-100
+o Cronyx Sigma-400, Sigma-401, Sigma-404, Sigma-410, Sig
ma-440
+o Cronyx Sigma-500
+o Cronyx Sigma-703
+o Cronyx Sigma-800, Sigma-801, Sigma-810, Sigma-840

SEE ALSO

cp(4), ctau(4), sppp(4), ifconfig(8), sconfig(8), spppcon
trol(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the previous versions of FreeBSD the cx driver is out of
date.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/.
BSD July 16, 2005
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