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From: "PCS Electronics"
Subject: Re: Urgent help needed to blank monitor
X-Newsreader: Microsoft Outlook Express 6.00.2800.1106
Date: Tue, 5 Nov 2002 10:32:30 +0100
NNTP-Posting-Date: Tue, 05 Nov 2002 10:32:46 MET
Organization: Slovenija OnLine - SiOL
Are the random states only limited to a short duration during reset?
He could set it up so that it requires a logical 1 for a period of, say, 5 seconds?
Marko - PCS Electronics
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"Mike Poulton" wrote in message news:Xns92BCDA08A1D1Fmpoultonmtptechcom@22.214.171.124...
> On 04 Nov 2002, "PCS Electronics"
> > I think just a couple of resistors and transistors on the port driving
> > a simple reed relay for the video signal (one or all of the
> > components) would be easier than a pic. He may not have any experience
> > with uCPU and it might be a lot of hassle.
> That would be great, but the parallel port can get initialized in any
> number of random states. The bits tend to toggle randomly as the system
> boots. This may result in the monitor flashing on and off (or even just
> staying on) during the boot process, only to turn off once the OS is
> already mostly loaded. Using a specific bit pattern greatly reduces the
> chances of accidental turn-on.
> Mike Poulton
> MTP Technologies
> Not only do I speak for my company, I AM my company!
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