diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-09-20 07:02:50 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-09-20 07:02:50 +0000 |
| commit | fc7aa2aab5a05328fde9b2038ae886ac3c644d08 (patch) | |
| tree | 885ec10be0c7391412a0cff67663c517b462d29a /share | |
| parent | df42aa61f92bffe35c22145bcc90906f47aa88d0 (diff) | |
document minor bits; noted as missing in netbsd pr#2746; augustss@cs.chalmers.se
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man4/man4.i386/lpt.4 | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/share/man/man4/man4.i386/lpt.4 b/share/man/man4/man4.i386/lpt.4 index 5c2e530d430..acb757efb37 100644 --- a/share/man/man4/man4.i386/lpt.4 +++ b/share/man/man4/man4.i386/lpt.4 @@ -27,7 +27,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.\" $Id: lpt.4,v 1.2 1996/08/08 17:11:25 deraadt Exp $ +.\" $Id: lpt.4,v 1.3 1996/09/20 07:02:49 deraadt Exp $ .\" .Dd August 6, 1993 .Dt LPT 4 i386 @@ -41,9 +41,17 @@ Parallel port driver .Cd "lpt0 at isa? port" \&"IO_LPT1\&" irq 7 .Cd "lpt1 at isa? port" \&"IO_LPT2\&" .Sh DESCRIPTION -This driver provides access to parallel ports. The highest bit in the minor -number selects whether to do polling or wait for interrupts. If no IRQ is -specified in the kernel configuration, only the polling device may be used. +This driver provides access to parallel ports. +.Pp +The highest bit in the minor (bit 7, or add 128) number selects +whether to do polling or wait for interrupts. If no IRQ is specified +in the kernel configuration, only the polling device may be used. +.Pp +The next lower bit (bit 6, or add 64) indicates the driver should +avoid initializing the printer. +.P. +The next lower bit (bit 5, or add 32) requests that the driver do +automatic LF generation when printing CR's. .Sh FILES .Bl -tag -width Pa -compact .It Pa /dev/lpt0 |