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author | ru <ru@FreeBSD.org> | 2004-07-03 18:29:24 +0000 |
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committer | ru <ru@FreeBSD.org> | 2004-07-03 18:29:24 +0000 |
commit | 1cf159866714352fd8d7789b97068220cbb5a1a4 (patch) | |
tree | 5526e5113f4e9589bb734483867453b89a7ca4e6 /share/man/man4/si.4 | |
parent | bf15efbfc56854d6fb20bb4ff7801d7549fe2bfd (diff) | |
download | FreeBSD-src-1cf159866714352fd8d7789b97068220cbb5a1a4.zip FreeBSD-src-1cf159866714352fd8d7789b97068220cbb5a1a4.tar.gz |
Mechanically kill hard sentence breaks and double whitespaces.
Diffstat (limited to 'share/man/man4/si.4')
-rw-r--r-- | share/man/man4/si.4 | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/share/man/man4/si.4 b/share/man/man4/si.4 index 8b6c357..65176bd 100644 --- a/share/man/man4/si.4 +++ b/share/man/man4/si.4 @@ -17,7 +17,7 @@ For ISA host cards put the following lines in The Specialix SI/XIO and SX hardware makes up an 8 to 32 port RS-232 serial multiplexor. .Pp -The system uses two components: A "Host adapter", which is plugged into +The system uses two components: a "Host adapter", which is plugged into an ISA, EISA or PCI slot and provides intelligence and buffering/processing capabilities, as well as an external bus in the form of a 37 pin cable. .Pp @@ -65,7 +65,8 @@ utility for configuring drain-on-close timeouts. The driver also defines 3 sysctl variables that can be manipulated: machdep.si_debug sets the debug level for the whole driver. It depends -on the driver being compiled with SI_DEBUG. machdep.si_pollrate +on the driver being compiled with SI_DEBUG. +machdep.si_pollrate sets how often per second the driver polls for lost interrupts. machdep.si_realpoll sets whether or not the card will treat the poll intervals as if they were interrupts. @@ -78,7 +79,8 @@ It fully supports the usual semantics of the cua ports, and the "initial termios" and "locked termios" settings. In summary, an open on a tty port will block until DCD is raised, unless O_NONBLOCK is specified. -CLOCAL is honored. An open on a cua port will always succeed, but DCD +CLOCAL is honored. +An open on a cua port will always succeed, but DCD transitions will be honored after DCD rises for the first time. .Pp Up to four SI/XIO host cards may be controlled by the si driver. @@ -88,7 +90,8 @@ used at once. The lowest 5 bits of the minor device number are used to select the port number on the module cluster. The next 2 bits select which of 4 host adapter -cards. This allows a maximum of 128 ports on this driver. +cards. +This allows a maximum of 128 ports on this driver. .Pp Bit 7 is used to differentiate a tty/dialin port (bit 7=0) and a cua/callout port (bit 7=1). |