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Article View: comp.sys.amiga.tech
Article #6673

Re: Amiga clocks

#6673
From: arc
Date: Fri, 09 Nov 1990 07:15
40 lines
2108 bytes
In article <475419@neabbs.UUCP>, rrs@neabbs.UUCP (RONALD VAN EIJCK) writes:
> Dear amiga clock guru,
> 
> One of our programms, a 24 our a day 365 days a year remote controlled,
> programmable slideshow, we are having trouble with the Amiga clocks
> (internal and external).
> 1. sometimes the amiga internal clock runs 18 seconds a minute fast.
>    The cause of this is unknown but the machine stands in a
>    cable tv headstation so ?
> 
> To avoid problem number 1 we have a background task that reads the external
> clock (battery backedup clock) every 30 seconds. this looks like:
>   FOREVER
>   {
>    Execute("Setclock load",input,output); /* input and output are nil: */
>    Delay(1000) /* pal land 30 seconds */
>   }
> 
> 2. Sometimes the clock sets itself at 1-1-1978 (ami's first day of life).
> 
> 3. Sometimes the clock is a couple of weeks|months fast|slow.
> 
> 4. Sometimes the clock is unset unset unset after a reset.
> 
> If you have any clue about the cause and/or solution of these problems
> please help us out!
> 
> Thanx in advance.
> 
>   -------------------------------------------------------------------------
>  |  Ronald van Eijck             R&R Software             rrs@neabbs.uucp  |
>  |                                                                         |
>  |                     I wan't more colors in my Amiga                     |
>   -------------------------------------------------------------------------

  If you are having those probs it could be these things:
 
 Your clock battery is screwed.
 Your CIA's are bad (They provide some system-dependant timing, etc.)
 That's about it.  Welp, later!
Technical Details
Message-ID: <1990Nov9.021523.1779@desire.wright.edu>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!uoft02.utoledo.edu!desire.wright.edu!arc
References: <475419@neabbs.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!uoft02.utoledo.edu!desire.wright.edu!arc
From: arc@desire.wright.edu
Newsgroups: comp.sys.amiga.tech
Subject: Re: Amiga clocks
Message-ID: <1990Nov9.021523.1779@desire.wright.edu>
Date: 9 Nov 90 07:15:23 GMT
References: <475419@neabbs.UUCP>
Organization: University Computing Services, Wright State University
Lines: 40