Switching to another task for too long at the wrong time could certainly be
the source of some timing problems, but why would it cause the PTT line to
drop ?
----- Original Message -----
From: "Dave" <nr1dx@arrl.net>
To: "James Nitzberg" <wx3b@yahoo.com>; <writelog@contesting.com>
Cc: "Herb Rosenberg" <kg6ok@pacbell.net>
Sent: Monday, June 10, 2002 15:16
Subject: Re: [WriteLog] Kenwood TS-950SDX Radio Interface Trouble
>
> See comments below
>
>
> At 07:45 AM 6/10/02 -0700, you wrote:
> >Dave;
> >
> >Thanks for all the troubleshooting thoughts that I
> >should have thought about but didn't.
> >
> >I'm using a boatanchor pentium 75 mhz with Windows 98
> >-and the serial port on the motherboard. The "CT" in
> >question is under DOS (not windows) and yes, there is
> >no comparison...except that I wanted people to
> >understand that this problem was limited to writelog
> >only...i.e. not RF, not something unrelated to
> >writelog.
>
> The problem may be more related what Windows is doing in the background
> than it is to Writelog. What I'm guessing is that Windows is multitasking
> in the background, Windows goes off to do something and drops the PTT line
> while it is out executing something in the background.
>
> Try the following,
> 1) Reboot the system...next
> 2) <CTRL><ALT><DELETE> a little Window pops up
> 3) Systematically highlight and <END TASK> every program in the list
EXCEPT
> Windows Explorer and Systray (You will have to do this repeatedly till
only
> the two programs are left.
> 4) Now start Writelog and see if the problem exists......
> 5) If this fixes the problem then the real trick is to figure out which
> program is running in the background that is grabbing CPU time.
>
> Herb Rosenburg, I should have had you try this as well........all though
> your problem is slightly different ..this is worth a shot.
>
>
> >I have 5 PCs in my basement that have different
> >version of Windows, different clock speeds, etc. I
> >will experiement with different PCs to determine if it
> >is PC dependent - this shouldn't take long.
>
> It is possible that it is mother board / bios related, this isn my
> experince is almost impossble to trouble shoot except for the truly
gifted,
> and even if you found the old MB to be the problem there may be no way to
> fix the problem....
>
> >Thanks for your help.
> >
> >73
> >
> >Jim Nitzberg WX3B
> >__________________________________________________
> >Do You Yahoo!?
> >Yahoo! - Official partner of 2002 FIFA World Cup
> >http://fifaworldcup.yahoo.com
>
> Dave
> NR1DX
> nr1dx@arrl.net
>
> "A man who picks a cat up by the tail learns a lesson he can learn no
other
> way" .... Mark Twain
>
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