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sjgadsby is offline sjgadsby
2009-10-14 , 17:38
Posts: 5,335 | Thanked: 8,187 times | Joined on Mar 2007 @ Pennsylvania, USA
#31
Originally Posted by zerojay View Post
All I can tell you is that I have three wall chargers and not a single one of them works with my N900.
For completeness, using a CA-100 charger plus the CA-146C charger adapter to convert from simple USB power to Nokia 2mm and back also doesn't work. It, uh, seemed like something to try.

I know one person at the Summit had a homemade, hacked & taped, USB cable that did allow the N900 to charge from simple USB power sources. He said he had cut the data lines. I'll leave it to him to volunteer more information should he be so inclined.
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shadowjk is offline shadowjk
2009-10-14 , 17:52
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#32
aw, I actually expected ca-100 - ca-146 chain would work
 
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daperl is offline daperl
2009-10-14 , 18:12
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#33
The data lines are important. Read section "3.2 Charger Detection Hardware" of the "Battery Charging Specification" [zip file]. This is probably a copyright violation, but here's a pretty picture:

Name: usb02.jpg Views: 518 Size: 20.6 KB
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Texrat is offline Texrat
2009-10-14 , 18:19
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#34
Originally Posted by zerojay View Post
All I can tell you is that I have three wall chargers and not a single one of them works with my N900. I didn't get a retail box, so this adapter that others have mentioned... I didn't know about.
A straight USB to micro USB cable from laptop to N900 isn't working, either.

EDIT: I take that back-- it works intermittently.

*sigh*

EDIT 2: more detail...

The first 2 times I plugged the straight USB-to-micro-USB cable into both devices, nothing happened. Third time (being the charm) I received a dialog that said "Current state: charging only" with the options to override by selecting "Mass storage mode" or "PC Suite mode". Sweet. That is what I would expect.
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Last edited by Texrat; 2009-10-14 at 18:24.
 

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jodyfanning is offline jodyfanning
2009-10-19 , 05:15
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#35
Originally Posted by ysss View Post
Check it out..

Thats tiny. If you look closely at the picture I think they couldn't even have a European plug version as there isn't enough room to separate the pins!
 
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zerojay is offline zerojay
2009-10-22 , 15:18
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#36
So... I leave for a trip in two weeks where I won't have access to a laptop. I never received this USB power adapter... what do I do?

I think it was qole that probably hacked the USB cable. Doubt I'd be able to do it myself.
 
twoboxen is offline twoboxen
2009-10-22 , 16:35
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#37
Originally Posted by zerojay View Post
So... I leave for a trip in two weeks where I won't have access to a laptop. I never received this USB power adapter... what do I do?

I think it was qole that probably hacked the USB cable. Doubt I'd be able to do it myself.
easy as pie... there are 4 wires in usb. +5V, Ground, Data+, Data-. You just have to cut at least one of the data wires, but I'd just cut both.
 

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zerojay is offline zerojay
2009-10-22 , 16:41
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#38
Originally Posted by twoboxen View Post
easy as pie... there are 4 wires in usb. +5V, Ground, Data+, Data-. You just have to cut at least one of the data wires, but I'd just cut both.
Okay, and those are... what color?
 
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ysss is offline ysss
2009-10-22 , 16:56
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#39
Originally Posted by jodyfanning View Post
Thats tiny. If you look closely at the picture I think they couldn't even have a European plug version as there isn't enough room to separate the pins!
You are right. That's just the US version, Apple makes a bigger but modular USB adapter design for the rest of the world.
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sjgadsby is offline sjgadsby
2009-10-24 , 02:35
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#40
Originally Posted by zerojay View Post
All I can tell you is that I have three wall chargers and not a single one of them works with my N900.
USB power adapter that works with the N900, no modifications required: http://www.dealextreme.com/details.dx/sku.25

At least, the one I purchased two years ago does.
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