Manual Reference Pages - RC (4)
- RISCom/8 multiport card
.Cd device isa
.Cd device rc
is an eight port
communications multiplexer with a built in
It uses a block of sixteen
ports in the range 0x200 to 0x3f0 selectable by on-board
switches or jumpers.
The block must be aligned on a sixteen port boundary.
The jumper-selectable hardware interrupt level may be set to
be detected during system
initialization using settings found in the
This driver is mostly based on the Cirrus Logic CL-CD180 driver.
driver provides support for the
The following driver specific error messages
may be reported:
| rc%d channel%d: interrupt-level buffer overflow
An internal buffer overflow error has occurred on
the listed channel.
driver will need to be reloaded to correct this.
| rc%d: Bad char chan %d
The channel has obtained a bad set of characters.
| rc%d: Got extra chars chan %d
driver got more characters than expected on the channel shown.
| rc%d: data mismatch chan %d ptr %d (%d != %d)
Data sent from channel
to the rx buffer was different then expected.
| rc%d: channel %d command timeout, rc.c line: %d
A command timeout has occurred on the channel, the
file can be consulted for more information.
driver first appeared in
.Fx 2.0.5 .
This manual page first appeared in
.Fx 5.3 .
This manual page was written by
.An Tom Rhodes Aq trhodes@FreeBSD.org .
driver code still uses the
These should be replaced by
functions should be documented.
Visit the GSP FreeBSD Man Page Interface.
Output converted with manServer 1.07.