1.\" 2.\" lptcontrol - a utility for manipulating the lpt driver 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.Dd October 1, 2004 13.Dt LPTCONTROL 8 14.Os 15.Sh NAME 16.Nm lptcontrol 17.Nd a utility for manipulating the lpt printer driver 18.Sh SYNOPSIS 19.Nm 20.Fl e | i | p | s 21.Op Fl d Ar control_device 22.Sh DESCRIPTION 23The 24.Nm 25utility is used to set either the interrupt-driven, extended, standard, 26or polling mode of individual 27.Xr lpt 4 28devices. 29When a printer is switched from 30a mode to another, this change will only take effect 31the next time the device is opened. 32.Pp 33Extended mode is anything the parallel port interface can support. 34For an 35ECP/ISA parallel port, it may be FIFO+DMA or ECP. 36.Pp 37The following command line options are supported: 38.Bl -tag -width indent 39.It Fl e 40Turn on extended mode. 41.It Fl i 42Turn on interrupt-driven mode. 43.It Fl p 44Turn on polled mode. 45.It Fl s 46Turn on standard mode, i.e., turn off extended mode. 47.It Fl d Ar control_device 48Set the mode of the printer control device specified by 49.Ar control_device . 50The default value for 51.Ar control_device 52is 53.Pa /dev/lpt0.ctl . 54.El 55.Pp 56One of 57.Fl e , i , p 58or 59.Fl s 60must be specified. 61.Sh FILES 62.Bl -tag -width /sys/i386/conf/GENERIC -compact 63.It Pa /dev/lpt? 64printer devices 65.It Pa /dev/lpt?.ctl 66printer control devices 67.It Pa /sys/i386/conf/GENERIC 68kernel configuration file 69.It Pa /boot/device.hints 70device hints for the parallel port chipset driver, 71.Xr ppc 4 72.El 73.Sh SEE ALSO 74.Xr lpt 4 , 75.Xr ppc 4 , 76.Xr device.hints 5 77.Sh HISTORY 78The 79.Nm 80utility 81first appeared in 82.Fx 1.1.5 83.Sh AUTHORS 84.An Geoffrey M. Rehmet 85.Sh BUGS 86The control device name should never have been an option, 87but should have been an optional argument. 88Because of this, a single argument is treated as a device name. 89