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Date: 14 Oct 2003 11:09:05 +0200
Message-Id: <ur81gkwy6.fsf@elta.co.il>
From: Eli Zaretskii <eliz AT elta DOT co DOT il>
To: djgpp AT delorie DOT com
In-reply-to: <e74abcbf.0310132253.66f171fc@posting.google.com>
	(ahenric AT ccii DOT co DOT za)
Subject: Re: Speeding up timer
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> From: ahenric AT ccii DOT co DOT za (Arne)
> Newsgroups: comp.os.msdos.djgpp
> Date: 13 Oct 2003 23:54:00 -0700
> 
> I am writing this application for MS-DOS only, and I am using the
> DJGPP compiler. Why does the timer not speed up when I change it? Does
> the DPMI server somehow prevent the change to the PIT? And from where
> is the SIGALRM signal called: from INT 08h or INT 70h?

The DPMI server does not prevent you from reprogramming the timer.
In fact, there used to be a PCTIME14.ZIP file on SimTel (RIP) that
showed a working code that did what you intend.