RE: (slightly OT:) Parallel port question

From: Daniel Kahlin (
Date: 2003-10-14 11:52:17

On Tue, 14 Oct 2003 wrote:

> A note: STROBE/ was just my initial idea, but by no means should you take
> this for granted. There might be much better choices of pins to monitor, 
> or even a combination of them. And another note: this solution may or 
> may not be viable, but so far nobody has told me a good reason why it isn't.

There is some info on parallel ports here which I found useful:
(there are pdf-versions of the pages at the bottom of each page)

STROBE/ is a pulse that is set low for a short period of time (1us) when 
data is valid on the output.
I beleive you can set the state of STROBE/ manually aswell.   I would 
guess the safest way to be sure that you may drive to parallel-port is to
stay completely tri-state until the computer sends some kind of activation 
sequence.  In the case of ECP/EPP I beleive these are defined, check the 


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