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From: ford@hpmcaa.mcm.hp.com (Dan Ford)
Newsgroups: comp.os.os2.programmer
Subject: Re: OS/2 device drivers
Message-ID: <1991Apr11.001716.17302@hpmcaa.mcm.hp.com>
Date: 11 Apr 91 00:17:16 GMT
References: <1991Apr10.211127.13982@hpmcaa.mcm.hp.com>
Organization: HP Cardiology Business Unit - McMinnville, OR
Lines: 16

Also be sure that you have IOPL=YES in your config.sys.

The code segment containing the INP or OUTP must be named in the .DEF file
with the IOPL attribute, for example

  :
  .

SEGMENTS
  IO_TEXT  IOPL

  :
  .


Good luck, Dan