LPT(4) Kernel Interfaces Manual (i386) LPT(4)
NAME
lptParallel port driver
SYNOPSIS
lpt0 at isa? port "IO_LPT1" irq 7
lpt1 at isa? port "IO_LPT2"
lpt* at acpi?
lpt* at ofisa?
lpt* at pnpbios? index ?
lpt* at puc? port ?
DESCRIPTION
This driver provides access to parallel ports. The bits in the minor number select various features of the driver. If no IRQ is specified in the kernel configuration, only the polling device may be used.
 
Minor Bit
Function
128
Use the interruptless driver. (polling)
64
Do not initialize the device on the port.
32
Automatic LF on CR.
FILES
/dev/lpt0
first interrupt-driven parallel port device
/dev/lpa0
first polled parallel port device
SEE ALSO