[time-nuts] Tbolt not talking

[Ulrich Bangert]

Since this problem arises at Windows BOOT time (long before any application software possibly not directly written into XP environments can get active), this is clearly NOT an application program problem.

The problem arises ONLY with external serial devices that send serial information on a regular base without being asked for. During the boot process Windows tries to detect what kind of pointing devices are connected to the serial ports and sarches for mice, trackballs ad so on. With devices that always talk Windows thinks it gets an answer and believes that the device is a mouse or a trackball or whatever. The problem first got discussed with GPS receivers that sent NMEA information with a 1 s timebase. One clue is to limit the searched serial ports by a entry in a Windows Ini-file. 

Best regards
Ulrich

> -----Ursprüngliche Nachricht-----
> Von: time-nuts-bounces at febo.com 
> [mailto:time-nuts-bounces at febo.com] Im Auftrag von ernieperes at aol.com
> Gesendet: Mittwoch, 22. Juli 2009 18:14
> An: time-nuts at febo.com
> Betreff: Re: [time-nuts] Tbolt not talking
> 
> 
> Hi,
> 
> this Windows XP serial port problem is the biggest headache when you 
> run a program which is not directly written into XP 
> environments....... I have an old compi running under WIN 
> 98SE and never got any 
> problem.........
> just think... when was the Tbolt software developed......... 
> many years 
> before XP was born......
> 
> Rgds Ernie.
> 
> 
> -----Original Message-----
> From: phil <fortime at bellsouth.net>
> To: Discussion of precise time and frequency measurement 
> <time-nuts at febo.com>
> Sent: Wed, Jul 22, 2009 5:56 pm
> Subject: Re: [time-nuts] Tbolt not talking
> 
> 
> Where windoz incorrectly detects a serial device that is connected to 
> your computer on boot. 
> check this out: http://support.microsoft.com/kb/819036 
>  
>  
> ----- Original Message ----- From: "Robert Darlington" 
> <rdarlington at gmail.com> 
> To: "Discussion of precise time and frequency measurement" 
> <time-nuts at febo.com> 
> Sent: Wednesday, July 22, 2009 11:12 AM 
> Subject: Re: [time-nuts] Tbolt not talking 
>  
> > If mine was attached to the system at boot, Windows XP 
> thought it was
> some 
> > kind of serial mouse -even when I was going through USB/RS-232
> adapter. 
> > Try disconnecting, reboot, then hook it back up and run the 
> software.
> > 
> > To "fix" Windows so that didn't happen again, I booted with it
> attached, 
> > disconnected so it didn't make my mouse cursor jump around, and then
> went 
> > into device manager and disabled the
> new device which showed up as 
> some > type 
> > of mouse.
> > 
> > -Bob
> > 
> > On Wed, Jul 22, 2009 at 9:02 AM, John Green <wpxs472 at gmail.com>
> wrote: 
> > 
> >> I got one of the Chinese Tbolts off eBay and when I powered it up
> and ran 
> >> Tboltmon, I got nothing. I checked the com port and it is 
> correct. I
> am 
> >> using a USB to serial converter but I don't believe that 
> is what the
> >> problem 
> >> is since I have used it to program some Motorola radios 
> that have a 
> >> reputation for being picky about their serial connections. I will 
> try a 
> >> standard serial port but are there other things I should look at? I
> did 
> >> look
> >> at the manual but didn't see anything that might help. This is my 
> first 
> >> experience with Tbolts. I already have a Z3801 and recall having
> some 
> >> problems getting it to talk. Any help appreciated.
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