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polygon99 Occasional Visitor
Joined: Jan 26, 2007 Posts: 12
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Posted: Sun Jan 28, 2007 12:05 pm Post subject: SD card speed |
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I know this has been discussed before but It hasn't really been answered. What speed is needed for a 2Gb sd card to work on the 520. There is a big variation in prices so it would be good to know. Essentially I want to put all euro maps on one card. |
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DRP Frequent Visitor
Joined: Mar 03, 2004 Posts: 353 Location: "The Green Green Grass of Home"
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Posted: Sun Jan 28, 2007 8:00 pm Post subject: |
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Hi
I have covered this topic many times. Read my old posts?
the fastest as possible (133 X). I don't think you get all of the EU onto a 2GB card. you may get all the cuntries on, but you will need ferries and the rest of the software, in order for the route to run seemlessly.
Regards
DRP _________________ Sharing information is the key to a better understanding
Mio M400 WEU, N60I, T1, 2x B2, iCN 510 & lots more |
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robertn Frequent Visitor
Joined: Feb 06, 2005 Posts: 564
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Posted: Sun Jan 28, 2007 8:43 pm Post subject: |
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The full EU will fit onto a 2Gig card.
As for speed, you want the fastest read speed, as write speed does not matter much - the iCN hardly ever writes to the card once maps are loaded. There is qiute a difference in read and writespeeds of some card, and some cheaper "slower" cards actuallu have respectible read speeds.
In the end it probably does not make a lot of difference. Routing may take a few extra seconds, if it's far enough to make a noticable difference you will be driving for hours or days anyway, so whats a few seconds.
I suggest buy from a reputable retailer, tell them what you want it for, and make sure you can exchange it for another brand/model if it does not work. |
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ShirleyTemple Regular Visitor
Joined: Feb 11, 2005 Posts: 141 Location: Southampton/Portsmouth
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Posted: Sun Jan 28, 2007 9:02 pm Post subject: |
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Just paid £4.99 for a 2GB SD Card for my 520 and I swear it runs faster than the card suppied when I zoom in from viewing the whole route to a small section of it. _________________ Navman iCN 520 |
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polygon99 Occasional Visitor
Joined: Jan 26, 2007 Posts: 12
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Posted: Sun Feb 04, 2007 12:24 pm Post subject: sd card |
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thanks people. I bought a normal speed Transcend 2gb SD card for about £10 on ebay (incl postage). I have transferred all euro and UK maps and speedcams and have 100mb to spare. For some reason my card reader slot on my PC would not recognise it. However it worked in the 520, just meant the download took a long time.
I have done a few test routes, such as Northern Norway to Southern Italy and it does take a little longer than London to Brighton but only about 1 min in total. |
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polygon99 Occasional Visitor
Joined: Jan 26, 2007 Posts: 12
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Posted: Sun Feb 04, 2007 9:26 pm Post subject: base map |
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A further question - now that I have all the maps on one sd card, is there any reason to have the base map as well? If not I could use the space for something else. |
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