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math co-processor issue

Posted: Wed Jan 16, 2008 8:54 pm
by KG4FOY
which 2 pins on the printer port do I short to fool it into thinking it has a external math co-processor. (if you've done this, you'll know what I'm talking about)

Re: math co-processor issue

Posted: Thu Jan 17, 2008 4:59 am
by kf4sqb
I assume you mean "math device", not "math co-processor". If so, you jump pins 6 & 11.

Re: math co-processor issue

Posted: Thu Jan 17, 2008 6:06 am
by Batwings21
kf4sqb wrote:I assume you mean "math device", not "math co-processor". If so, you jump pins 6 & 11.
Whats the purpose of this? What software is it used on?

Re: math co-processor issue

Posted: Thu Jan 17, 2008 6:42 am
by KG4FOY
kf4sqb wrote:I assume you mean "math device", not "math co-processor". If so, you jump pins 6 & 11.
Thats right, I couldn't remember which two pins it was.

Re: math co-processor issue

Posted: Thu Jan 17, 2008 7:50 am
by Max-trac

Re: math co-processor issue

Posted: Thu Jan 17, 2008 8:29 am
by KG4FOY
Max-trac wrote:batlabs info here;
http://www.batlabs.com/tk.html
The paperclip was easier.......