Re: [ntp:questions] GPX18x LVC 3.50 firmware - high serial delay problem workround

2011-03-16 Thread David J Taylor
Q ..@.. wrote in message 
news:4d7fd7ae$0$2503$db0fe...@news.zen.co.uk...


David J Taylor david-tay...@blueyonder.co.uk.invalid wrote in 
message news:ilc6um$4s8$1...@news.eternal-september.org...


To me it should be common courtesy to reply as soon as possible, even 
if it's just an acknowledgement.  You might learn more from a phone 
call



Still no reply - but I've not had time to call them up yet and start 
making a noise.


Do you have a copy of the old firmware - and is there any reason not to 
downgrade?


No reason not to downgrade, Q, if you don't need the fixes and features in 
the current firmware.  I understand that some folk are running on firmware 
3.20,  Yes, I do have copies, but you can also download here:


 http://www.gawisp.com/perry/oem_sensor/

Specifically:

 http://www.gawisp.com/perry/oem_sensor/GPS18xPC_LVC_320.exe

Cheers,
David 


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Re: [ntp:questions] GPX18x LVC 3.50 firmware - high serial delay problem workround

2011-03-16 Thread Q

David J Taylor david-tay...@blueyonder.co.uk.invalid wrote in message 
news:ilprm0$3kv$1...@news.eternal-september.org...

 No reason not to downgrade, Q, if you don't need the fixes and features in 
 the current firmware.  I understand that some folk are running on firmware 
 3.20,  Yes, I do have copies, but you can also download here:

  http://www.gawisp.com/perry/oem_sensor/

 Specifically:

  http://www.gawisp.com/perry/oem_sensor/GPS18xPC_LVC_320.exe

Thanks David - I might give that a try at some point in the week and see how 
it runs.

At the moment the unit is only used for time keeping so some of the new 
stuff makes no difference. - I'll see how it goes and report back by the 
weekend hopefully.


Cheers for your help 


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[ntp:questions] 64-bit serialpps.sys despite unsigned?

2011-03-16 Thread Dave Hart
The .zip file with the 32-bit serialpps.sys also has Itanium and x64
versions built, which are to the best of my knowledge (a) untested and
(b) likely to work just fine as the changes from the original
serial.sys are quite minor, and I doubt serial.sys in later Windows
versions has changed much.  I believe the serial.sys source is from
circa Vista, but I would say the same about XP/2003 era sources.

With Windows XP and Server 2003, 64-bit versions refuse to load
unsigned kernel drivers (.sys files which are kernel-mode DLLs).  I
gather some 32-bit systems require signed drivers since Vista.  Trying
to understand the feasibility of defeating that restriction, I came
across:

http://www.ngohq.com/home.php?page=dseo

Which apparently allows ongoing, hands-off use of unsigned drivers
after initial setup.  I am curious to hear from anyone who tries it
with serialpps.sys and ntpd on Windows.

Cheers,
Dave Hart

http://www.davehart.net/ntp/refclock/serialpps-20090606.zip
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Re: [ntp:questions] 64-bit serialpps.sys despite unsigned?

2011-03-16 Thread Dave Hart
On Wed, Mar 16, 2011 at 16:19 UTC, Dave Hart h...@ntp.org wrote:
 http://www.davehart.net/ntp/refclock/serialpps-20090606.zip

http://www.davehart.net/ntp/refclock/serialpps-20091228.zip has some
slight improvements (but the same .sys files):

- Corrected install.bat bug pointed out by Jeremy Langston [1]
- Added instructions on using PPSAPI_DLLS, prodded by the same writeup.

Cheers,
Dave Hart

[1] 
http://blogs.cae.tntech.edu/jwlangston21/2009/12/07/installing-and-using-ntp-with-a-garmin-18-gps-with-pps/
 or http://tinyurl.com/lang-pps
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