plipconfig(8) - man - phpMan

PLIPCONFIG(8)                    Linux System Administrator's Manual                   PLIPCONFIG(8)



NAME
       plipconfig - fine tune PLIP device parameters

SYNOPSIS
       plipconfig interface [nibble NN] [trigger NN]
       plipconfig [-V] [--version] [-h] [--help]

DESCRIPTION
       Plipconfig is used to (hopefully) improve PLIP performance by changing the default timing pa‐
       rameters used by the PLIP protocol. Results are dependent on the parallel port hardware,  ca‐
       ble, and the CPU speed of each machine on each end of the PLIP link.

       If the single interface argument is given, plipconfig displays the status of the given inter‐
       face only.  Otherwise, it will try to set the options.

OPTIONS
       nibble NN
              Sets the nibble wait value in microseconds. Default is 3000.

       trigger NN
              Sets the trigger wait value in microseconds. Default is 500.

       PLIP speed can in some cases be improved by lowering the default values.   Values  which  are
       too  low  may cause excess use of CPU, poor interrupt response time resulting in serial ports
       dropping characters, or in dropping of PLIP packets. Changing the plip MTU  can  also  affect
       PLIP speed.

NOTE
       If  you  get no response it is far more likely the irq is wrong and needs setting with ifcon‐
       fig. The few cases where the default parameters will be too fast are those  using  very  long
       cables.  Something  you should never do as the parallel port is not specified or designed for
       driving long cable runs.

SEE ALSO
       ifconfig(8)

BUGS
       Non.

AUTHOR
       John Paul Morrison, <jmorriso AT bogomips.ca>, <ve7jpm AT ve7jpm.org>




net-tools                                    2008-10-03                                PLIPCONFIG(8)