Hello Denis
      Thought I would try to pick up a thread from about a year
ago that we started and never finished.  Think I got knocked off
the air for a while or something like that.
=========================================================================
   Date: 05-27-97  00:07                Message #: 282        
OS2SHARE
   From: DON WOODALL                    Status: PUBLIC
     To: Denis Tonn                     Ref #: 788
Subject: Warp 3-COM3/IRQ5?     1/       Conf: Os2 (2)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - In a message dated 05-24-97, Denis Tonn said to Don
Woodall:
DT>Original from  Don Woodall  to Denis Tonn on 05-23-1997
DT>Original Subject: Warp 3-COM3/IRQ5?     1/
DT>
DT>                         ---------------------------------------
DT>
DT> DT> Actually, there are only 3 defined "standards" for LPT ports. 3BC, 
DT> DT>378, and 278. 3BC was the original IBM MONO/LPT adapter value. Both 
DT> DT>3BC and 378 were defined to "use" IRQ 7 (although Dos never used the 
DT> DT>IRQ's). 278 was defined to use IRQ 5. MCA changed this and "shared" 
DT> DT>IRQ 5 for ports 2 and above, but these "standards" still apply for 
DT> DT>ISA. I don't know where IRQ 10 comes into the picture. 
DT>
DT>DW>  Somewhere in all my struggles over the 2 or 3 years I spent 
DT>DW> working with OS/2 from version 2.0, 2.1, 3.0 Warp and 4.0 Warp
DT>DW> with different hardware until I finally got it working on a
DT>DW> Pentium system, either from reading the manuals, after market
DT>DW> books, or IBM Level 2 tech support, the information I stated above
DT>DW> was drilled into me.  I would have loved to use different IRQ, but
DT>DW> was told in no uncertain terms those were the only ones allowed.
DT>DW> 
DT>DW>     If you know who wrote "print01.sys" and "print02.sys" and can
DT>DW> research the question, or give me that address and name, I'll gladly
DT>DW> pursue it myself.  If what I have been educated to believe, ain't so,
DT>DW> I would be glad to learn it.
DT>
DT> I happen to be in Austin this week. I'll try and find out or get a 
DT>copy of the source and look for myself, time willing. 
DT>
Denis       
      It would be nice to have 3, or more?, parallel ports and to
have them all interrupt driven.  Based on what you said, this
means that 3BC could not be used as one of the addresses. 
Flexibility, gotta have FLEXIBILITY.
                     Thanks                  Don Woodall
___
 * MR/2 * Rush Limbaugh for Dog Catcher!
Don Woodall
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