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Manpages PLIPCONFIGSection: Maintenance Commands (8)Updated: 17 February 1995 Index Return to Main Contents NAMEplipconfig - fine tune PLIP device parametersSYNOPSISplipconfig interfaceplipconfig interface [nibble NN] [trigger NN] [unit NN] DESCRIPTIONPlipconfig is used to (hopefully) improve PLIP performance by changing the default timing parameters used by the PLIP protocol. Results are dependent on the parallel port hardware, cable, 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 interface only. Otherwise, it will try to set the options. OPTIONS
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. NOTEIf you get no response it is far more likely the irq is wrong and needs setting with ifconfig. 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 ALSOifconfig(8)BUGSNon.AUTHORJohn Paul Morrison, <jmorriso@bogomips.ee.ubc.ca>, <ve7jpm@ve7jpm.ampr.org>
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