Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uunet!dino!ux1.cso.uiuc.edu!uxa.cso.uiuc.edu!kds10773
From: kds10773@uxa.cso.uiuc.edu (Ken S.)
Newsgroups: comp.sys.ibm.pc
Subject: Re: 'Sys Req' - key.
Summary: Useful only on an AT
Keywords: What is it for?
Message-ID: <1989Dec5.181045.10621@ux1.cso.uiuc.edu>
Date: 5 Dec 89 18:10:45 GMT
References: <189@nmtvax.nmt.edu>
Sender: news@ux1.cso.uiuc.edu (News)
Reply-To: kds10773@uxa.cso.uiuc.edu (Ken S.)
Organization: University of Illinois at Urbana-Champaign
Lines: 6

The SysReq key can be polled using entry point 0x85 of int 0x15 (system
services), however I believe that's only implemented on AT's, so on your
XT keyboard, it's most likely useless.  I'm afraid I also don't know
of any less technical ways to access it.

   - Ken Stillson