From: Steve McCrystal 
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@Date: Thu, 24 Jul 2003 20:12:17 CDT
Subject: Re: Setting interrupts
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** Reply to note from os2hardwarel{at}wpusa.dynip.com Thu, 24 Jul 2003 18:45:22 -0400 
 
George, 
   
> Here you are, complete with where I found the information :-) 
    
> From the Devcon CDROM or the DDK CDROM in PDDBASE.INF (OS/2 V2.1
Physical Device Driver 
> Reference), under Physical Parallel Port Device Driver/subsection
Parallel Port IRQ 
> Performance:- "The Programmable Interrupt Controller (PIC) has
been rotated under OS/2 2.1, 
> giving IRQ3 (serial port) the highest priority in the system."
So, the priority is 
> 3,4,5,6,7,0,1,8,9(2),10,11,12,13,14,15. 
 
Thanks! All I could remember for sure is that IRQ3 was first! 
 
> Somewhere else I seem to remember reading that if OS/2 
> finds the priority already rotated by the BIOS it leaves it alone (but
I can't trace a 
> reference for that). 
 
I seem to recall that, too, but I still haven't found the list you posted.
I know I have saved it   
somewhere! :^) 
 
Thanks again, 
 
Steve 
  



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