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No comment has been added lately, so it's time to clean up this TA.<br />
I will leave a recommendation in the Cleanup topic area that this question is:<br />
<br />
accept jhance's comment as answer<br />
<br />
Please leave any comments here within the next four days.<br />
<br />
PLEASE DO NOT ACCEPT THIS COMMENT AS AN ANSWER!<br />
<br />
waffleironhead<br />
EE Cleanup Volunteer <br />

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No comment has been added lately, so it's time to clean up this TA.
I will leave a recommendation in the Cleanup topic area that this question is:

accept jhance's comment as answer

Please leave any comments here within the next four days.

PLEASE DO NOT ACCEPT THIS COMMENT AS AN ANSWER!

waffleironhead
EE Cleanup Volunteer


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<div class="content wysiwyg-content">
Good day. I am having problem with my parallel port which is connected to a simple DIY alarm device. My alarm will sound whenever a &quot;1&quot; was send to pin 2 (or Data Port) of LPT1, and off when &quot;0&quot; bit was sent. The alarm is working properly using Visual Basic program I developed.<br />
<br />
The problem is, when Windows is loading, it seems that XP is sending some non-zero bits to LPT1, causing my alarm to sound. Probably it's detecting the parallel port. Is there any way to prevent XP to do so so that my alarm won't sound everytime I start/restart my PC?<br />
<br />
Thanks and hope to hear from you soon.
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Good day. I am having problem with my parallel port which is connected to a simple DIY alarm device. My alarm will sound whenever a "1" was send to pin 2 (or Data Port) of LPT1, and off when "0" bit was sent. The alarm is working properly using Visual Basic program I developed.

The problem is, when Windows is loading, it seems that XP is sending some non-zero bits to LPT1, causing my alarm to sound. Probably it's detecting the parallel port. Is there any way to prevent XP to do so so that my alarm won't sound everytime I start/restart my PC?

Thanks and hope to hear from you soon.

How to prevent WinXP from sending non-zero bits to parallel port when loading Windows?

A desktop computer is a personal computer designed for use at a single location due to its size and power requirements, usually by one person. The most common configuration has a case that houses the power supply, motherboard, disk storage (usually one or more hard disk drives and optical disc drives); a keyboard and mouse for input; and computer monitor and printer for output. The case may be oriented horizontally and placed atop a desk or vertically and placed underneath or beside a desk.