Bu-353 Lag - Page 2

Tipsy · 08-28-2007, 09:43 AM

I'm also lagging with the bu-353 on a mac mini. I've used StreetDeck on bootcamp and I'm planning on trying roadnav in OSX to see if it will do the same. I haven't done much experimenting yet (other than the obvious of making sure everything is up to date), but as soon as I try anything I'll post results here.

parksgm · 01-25-2008, 02:19 PM

Quote: Originally Posted by NickN

I am having this same problem in iGuidance v4.0 with my bu-353, 5 second lag on the map. My hardware is more than capable running a intel mac mini

Quote: Originally Posted by Tipsy

I'm also lagging with the bu-353 on a mac mini. I've used StreetDeck on bootcamp and I'm planning on trying roadnav in OSX to see if it will do the same. I haven't done much experimenting yet (other than the obvious of making sure everything is up to date), but as soon as I try anything I'll post results here.

...I am also experiencing the lag issue with the BU-353, but mine is on the order of 10 seconds or so.

Any updates/fixes to the issues I quoted above?

Tipsy · 01-25-2008, 02:43 PM

Ooo, yeah sorry I didn't post this earlier. Even though the documentation with the packaging said other wise, my unit is set to a higher baud rate. I tried setting both Streetdeck and roadnav to 38400 baud and now it is spot on. I'd play around with the baud rate and see if that helps. I'm not sure if you can change the baud rate on the BU-353 itself with a firmware flash or something. Anyone else know about that?

parksgm · 01-25-2008, 06:47 PM

Quote: Originally Posted by Tipsy

Ooo, yeah sorry I didn't post this earlier. Even though the documentation with the packaging said other wise, my unit is set to a higher baud rate. I tried setting both Streetdeck and roadnav to 38400 baud and now it is spot on. I'd play around with the baud rate and see if that helps. I'm not sure if you can change the baud rate on the BU-353 itself with a firmware flash or something. Anyone else know about that?

Cool. Thanks for the update. I'll try that in a few minutes and post later with results.

parksgm · 01-27-2008, 10:20 PM

Quote: Originally Posted by Tipsy

Ooo, yeah sorry I didn't post this earlier. Even though the documentation with the packaging said other wise, my unit is set to a higher baud rate. I tried setting both Streetdeck and roadnav to 38400 baud and now it is spot on. I'd play around with the baud rate and see if that helps. I'm not sure if you can change the baud rate on the BU-353 itself with a firmware flash or something. Anyone else know about that?

Tried resetting the baud to 38400...couldn't get the GPS to connect or any output (my packaging also says to use a lower baud rate). I'll try to use SIRFdemo to see if the GPS is capable of communicating at any other baud rate, and if so, then try that rate.

Man, this is frustrating...GPS "works" but not well enough to be useful. :-(

mrweller · 05-08-2008, 11:47 PM

I realize this post hasn't been updated since January but I have had my BU-353 for a couple weeks now and have spent considerable time trying to eliminate the 5ish second lag that exists between my BU-353 and any of the three software programs I have tried...

I've downloaded and used GPSinfo & sirfDemo to try to analyze and reset things and have made progress and routinely have WAAS locks and just today gotten it to run at the 4800 Baud Rate that DeLorme's Street Atlas USA 2008+ seems to prefer (but I did get 38400 to work as well)... Anyone else have a surefire way to fix this lag problem that seems to plague us BU-353 users?

FYI: Running Windows XP Pro on a Lenovo T60 with 2GB of RAM and an Intel Centrino Duo processor.