Article View: comp.sys.ibm.pc.programmer
Article #1128Re: Slowing Down Clock
From: Belgarath the Sorcerer
Date: Mon, 01 Apr 1991 04:41
Date: Mon, 01 Apr 1991 04:41
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In article <1991Mar29.185421.602@HQ.Ileaf.COM> ltaylor@HQ.Ileaf.COM (Laura Taylor) writes:
>I have a Compaq 386. Does anyone know how to slow down
>the clock on these machines? I have some educational
>software for my kid that I'd like to run, but the clock
>is way too fast. I can't find anything in my documentation
>that mentions this. Any help would be appreciated.
>
> -- Laura
PC Magazine DOS Powertools (should be available via local bookstore)
has a utility SLOWDOWN.COM. Essentially sticks a "do nothing" loop on
the end of the timer interrupt - every clock tick the computer wastes
some time. Net effect - machine runs slower. I use it to play SOPWITH
on my Model 70.
The program may also be available on any number of BBSs or via the
PC Magazine forum on CompuServe. The book (which is now in its 2nd
edition) is great, tho. Chock full of info and 200+ utilities.
Normally, there is no way to directly affect the clock without
hardware adjustments, unless the computer is specifically designed
to operate at more than one speed (a number of clones are designed
that way, but not Compaqs, as I recall).
Dave "Belgarath" Bank
bank@lea.csc.ncsu.edu
Technical Details
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!mips!spool.mu.edu!think.com!ames!lll-winken!taco!lea.csc.ncsu.edu!bank From: bank@lea.csc.ncsu.edu (Belgarath the Sorcerer) Newsgroups: comp.sys.ibm.pc.programmer,comp.sys.ibm.pc.software Subject: Re: Slowing Down Clock Message-ID: <1991Apr1.044116.4581@ncsu.edu> Date: 1 Apr 91 04:41:16 GMT References: <1991Mar29.185421.602@HQ.Ileaf.COM> Sender: news@ncsu.edu (USENET News System) Organization: /etc/organization Lines: 29