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[mkgmap-dev] Problems with routing on Etrek 20 with latest firmware

From Mark Bradley ethnicfoodisgreat at gmail.com on Sat Jul 30 20:38:30 BST 2016

> Message: 3
> Date: Thu, 28 Jul 2016 20:06:46 +0100
> From: ael <law_ence.dev at ntlworld.com>
> To: mkgmap-dev at lists.mkgmap.org.uk
> Subject: Re: [mkgmap-dev] Problems with routing on Etrek 20 with
> 	latest firmware
> Message-ID: <20160728190646.GA4953 at shelf.conquest>
> Content-Type: text/plain; charset=us-ascii
> On Thu, Jul 28, 2016 at 12:36:03PM -0400, Greg Troxel wrote:
> >
> > do you have pointers to older firmware, and can you roll back to 4.20?
> Garmin seem to do their best to make it difficult to get their firmware
> Anyway, I seem to remember reading that it was not possible to roll back
to older
> versions. But maybe my memory is wrong. But I don't want to risk bricking
my Etrek. It
> is possible that I still have the older firmware somewhere.
> > I have an etrex 30 with 2.80, which basically works.
> Yes, I am pretty sure I was on 2.80 before, and had no problems.
> I suppose a conspiracy theory would be that Garmin changed something to
> mkgmap, but I guess it is more likely that the reverse engineering of the
map format
> is imperfect, and this new bug may be the opportunity to track down such
> imperfections. Which is why I thought the developers' list was the right
place to post.
> If I can find the old firmware image, and am sure that reverting won't
brick the unit, I
> will give it a try.
> I may also try some of the other maps suggested, although I am currently
away from
> home with limited internet bandwidth, so large maps might be a problem
> Thanks for the suggestions.
> ael

You may be able to locate firmware for your unit at

Mark Bradley

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