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authorAaron Campbell <aaron@cvs.openbsd.org>2000-12-21 05:32:53 +0000
committerAaron Campbell <aaron@cvs.openbsd.org>2000-12-21 05:32:53 +0000
commit460bf275f9a4deb7f6e405ab1cfafbd9eda64706 (patch)
treec4a5129fe4f22637f37b674c61733f8d194ce2df /share/man/man4/cy.4
parentf0a303c104f977553b4f2c4c58cba4bd3a3a023c (diff)
Various repairs.
Diffstat (limited to 'share/man/man4/cy.4')
-rw-r--r--share/man/man4/cy.434
1 files changed, 18 insertions, 16 deletions
diff --git a/share/man/man4/cy.4 b/share/man/man4/cy.4
index 0f149ebe6dd..622ab5aad75 100644
--- a/share/man/man4/cy.4
+++ b/share/man/man4/cy.4
@@ -1,4 +1,4 @@
-.\" $OpenBSD: cy.4,v 1.3 2000/10/18 02:38:21 aaron Exp $
+.\" $OpenBSD: cy.4,v 1.4 2000/12/21 05:32:52 aaron Exp $
.\"
.\" Copyright (c) 1993 Andrew Herbert.
.\" All rights reserved.
@@ -36,8 +36,8 @@
.Cd "cy1 at pci?"
.Sh DESCRIPTION
This driver provides an interface to Cyclades Cyclom-4Y, Cyclom-8Y and
-Cyclom-16Y asynchronous multiport serial boards. These boards are based
-around Cirrus Logic CD1400 communication controllers.
+Cyclom-16Y asynchronous multiport serial boards.
+These boards are based around Cirrus Logic CD1400 communication controllers.
.Pp
The device minor numbers for this driver are encoded as follows:
.Pp
@@ -46,7 +46,7 @@ The device minor numbers for this driver are encoded as follows:
bits meaning
---- -------
- uuuu physical serial line (i.e. unit) to use
+ uuuu physical serial line (i.e., unit) to use
0-7 on a cyclom-8Y, 0-15 on a cyclom-16Y
xx unused
@@ -61,17 +61,18 @@ The device minor numbers for this driver are encoded as follows:
.Sh DIAGNOSTICS
.Bl -diag
.It "cy%d: tty input queue overflow"
-Incoming characters have been discarded due to a buffer overflow. This is
-caused by the process in control of the device not read(2)ing characters
-fast enough.
+Incoming characters have been discarded due to a buffer overflow.
+This is caused by the process in control of the device not
+.Xr read 2 Ns No 'ing
+characters fast enough.
.It "cy%d: receive fifo overrun"
-Incoming characters have been discarded due to a CD1400 channel overrun. This
-is caused by interrupts not being serviced sufficiently quickly to prevent
-the 12 byte receive FIFO on a serial channel from overflowing. Reducing
-the value of the \fIRxFifoThreshold\fR #define from 8 to something smaller may
-help slow machines avoid this problem. The driver must have been compiled
-with the \fILogOverruns\fR option defined (the default) in order for this
-condition to be logged.
+Incoming characters have been discarded due to a CD1400 channel overrun.
+This is caused by interrupts not being serviced sufficiently quickly to prevent
+the 12 byte receive FIFO on a serial channel from overflowing.
+Reducing the value of the \fIRxFifoThreshold\fR #define from 8 to something
+smaller may help slow machines avoid this problem.
+The driver must have been compiled with the \fILogOverruns\fR option
+defined (the default) in order for this condition to be logged.
.Sh SEE ALSO
.Xr com 4 ,
.Xr termios 4 ,
@@ -86,8 +87,9 @@ were derived from the fas 2.10 driver by Uwe Doering
Evans <bde@kralizec.zeta.org.au>.
.Pp
This work was made possible through the donation of a Cyclom-8Y board by the
-manufacturer, Cyclades Corporation. However, neither Cyclades nor the author
-make any warranties regarding this software, nor guarantees of support.
+manufacturer, Cyclades Corporation.
+However, neither Cyclades nor the author make any warranties regarding
+this software, nor guarantees of support.
.Sh BUGS
There is currently no BREAK handling - breaks are ignored.
There is no support for bad-character reporting, except via PARMRK.