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9351 Posts

11-27-2007

SK

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  • Message 11 of 29

Re: Lenovo Helix design flaw ?

2013-05-09, 14:17 PM

Andy  

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5 Posts

05-10-2013

Seattle, WA

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  • Message 12 of 29

Re: Lenovo Helix design flaw ?

2013-05-10, 6:39 AM

First off let me start by saying I don't have a Helix yet, but have placed an order for one and am excited about receiving the device.

 

I'm trying to understand why someone needs to use a "tablet" with several external devices connected (USB drive and physical network)?  I thought the whole idea of removing the tablet was to be more mobile and portable?

 

With this said, if you still need all these devices connected and  only use the device as a tablet, can you can mount the screen backwards and close the device?  This gives you a thicker tablet , but has the 2 USB3.0 ports that you require.  I personnally would not want to try to carry a tablet very far with an external hardrive connected and a network cable too.

 

For those of you that do have the Helix, can you keep a small/flush USB device in while you dock the tablet portion or does something from the dock insert into the USB2.0 port when you connect the tablet and keyboard?  Is that hidden USB2.0 port still even active when it is docked?

 

I ask this because, would it be possible to keep a flush USB2.0 device in the tablet portion when docking? (such as a tiny microSD card reader or USB stick?)  Or could a flat ribbon cable adapter for the USB be used to make the 2.0 port accessable to provide 3 usable ports when docked?

 

Just some thoughts I had regarding this topic and I don't see it as flaw in the design for most users.

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111 Posts

06-12-2009

NO

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  • Message 13 of 29

Re: Lenovo Helix design flaw ?

2013-05-10, 7:46 AM

The ports does not disappear from the device management when docking, so if you find a device that does not add anything outside the port you might be fine. But there is no gap to allow anything bigger. A flat cable might go, but there is no more than a millimeter room on the back (behind the flap). 

If anyone knows about a microSD card reader that hides completely, please let me know :)

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5601 Posts

06-27-2008

US

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  • Message 14 of 29

Re: Lenovo Helix design flaw ?

2013-05-10, 21:50 PM

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5 Posts

05-10-2013

Seattle, WA

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  • Message 15 of 29

Re: Lenovo Helix design flaw ?

2013-05-11, 5:28 AM
The smallest thing I have seen (and own) to convert microSD to USB is a converter by "elago". Available on Amazon:
http://www.amazon.com/elago-Mobile-microSDHC-Memory-Reader/dp/B002HGFKR8

A microSD card is longer than the depth of a USB port, so it can't be completely hidden unfortunately.
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13 Posts

04-24-2013

israel

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  • Message 16 of 29

Re: Lenovo Helix design flaw ?

2013-05-11, 7:10 AM

The Flat/Ribbon cable is an interesting idea.

 

Now the questions remaining are -

1. How big or small is the gap between the tablet and the dock when the tablet is docked ?

2. How much "distance" can it endure before it loses contact ?

3. Can a diameter of a wire (a wire from inside a high quality USB extension cable) can be achieved between the tablet and the dock ?

 

If #3 is answered with "Yes" - a flat extension cable can probably be built, assuming a usb connector can be fully hidden inside the tabet's port.

 

The only problem with that idea is that if you would want to remove this "invisible adapter" you would have to pull it out by it's wires.

Pulling it out by the wires can cause bad contact, and might even detach the wires, leaving the connector inside the port.

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13 Posts

04-24-2013

israel

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  • Message 17 of 29

Re: Lenovo Helix design flaw ?

2013-05-15, 8:54 AM

Can anyone please check what is the maximum gap that can be achieved between the tablet and the dock ?

 

How would you do that ?

Take a peice of paper, and see if it can be put between the device and the dock, where the USB port on the device touches the dock.

(I believe it can be)

Fold the paper in half - try again - see if it fits where the USB port on the device touches the dock.

If not - try putting it and then dock the device.

(I believe the thickness of 2 paper sheets would probably do no harm, and would not cause the device to lose contact)

 

Repeat until the device could no longer be docked.

Measure the thickness of the folded paper.

 

The thickness of a wire is about 1/2-1 milimeter ~ 3/128-5/128 inches.

Anythng more then that - should indicate it is possible to create a flat usb cable that would allow using the tablet's port when docked.

 

Many thanks in advance.

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613 Posts

07-20-2009

US

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  • Message 18 of 29

Re: Lenovo Helix design flaw ?

2013-05-15, 12:48 PM

Silly question, but could it be that the slate USB port and the KB USB port are 'the same port'  to the system? If so, could you sleep the slate without removing the USB device, then move the USB device to the dock, dock the slate, and then wake the system without the system noticing a USB unplug/replug?

 

Edit: possible test, connect to a TrueCrypt volume on a USB stick, and see if it stays accessible after the procedure above.

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13 Posts

04-24-2013

israel

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  • Message 19 of 29

Re: Lenovo Helix design flaw ?

2013-05-15, 15:05 PM

To my understanding from sveintore's post, the port on the tablet and the port(s) on the dock are not the same.

 

Besides that - I have always had trouble using a USB device after sleep and wakeup.

It almost always lost the connection, even if it was connected to the same port and never removed.

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10 Posts

05-15-2013

China

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  • Message 20 of 29

Re: Lenovo Helix design flaw ?

2013-05-16, 1:43 AM

wrote:

Can anyone please check what is the maximum gap that can be achieved between the tablet and the dock ?

 

How would you do that ?

Take a peice of paper, and see if it can be put between the device and the dock, where the USB port on the device touches the dock.

(I believe it can be)

Fold the paper in half - try again - see if it fits where the USB port on the device touches the dock.

If not - try putting it and then dock the device.

(I believe the thickness of 2 paper sheets would probably do no harm, and would not cause the device to lose contact)

 

Repeat until the device could no longer be docked.

Measure the thickness of the folded paper.

 

The thickness of a wire is about 1/2-1 milimeter ~ 3/128-5/128 inches.

Anythng more then that - should indicate it is possible to create a flat usb cable that would allow using the tablet's port when docked.

 

Many thanks in advance.


On mine, you can fit between 5-6 sheets of paper where the USB port is. You likely won't have a problem with a thin ribbon cable.

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