Re: [PARPORT] Problem with writing anything to parport

Tim Waugh (
Mon, 14 Feb 2000 11:07:07 +0000 (GMT)

On Mon, 14 Feb 2000, Michael Fischer wrote:

> I can't manage to write anything to the parport
> If I try "cat >/dev/parport0" or "cat >/dev/lp0" (or other numbers)
> it always says "Operation not permitted"

Are the parport/lp modules loaded? Are you root? ;-)

> Also a low-level approach with a C-Programm with "outp" doesn't run,
> because he doesn't find the library, where "outp" can be found. It
> seems as if there's no library for "asm/io.h"

Compile with -O2.


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