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USB Host / OTG support on Arnova 7f G3

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2012/07/19 - 15:53

Just a quick post to know if anybody got USB Host to work on the Arnova 7f G3 ?

I'm starting to think it's not supported, based on the following:

- the specs on Arnova 7f G3 site mention:

Micro USB slave 2.0 in the interface section,

while the "Applications" page says:

"With the integrated microSD card reader you can transfer files easily or even plug in a USB flash drive in the USB host slot / via the USB host cable."

- the micro USB connector on the tablet has a shape which does not match (at least some) USB Host cables.

Here is a picture with the Arnova 7 G3 on top, Arnova 7f G3 and USB OTG Host Cable from Nokia (CA-157)

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Arnova7G3_vs_Arnova7fG3_USB_Host_OTG_DSC_0083b.jpg (119 KB)

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tobias

Berlin

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2012/07/20 - 19:08

Just to put this information where it might be of some use to someone... I've got a 7f here and a host cable adapter which seems to fit it (micro-B, looks identical to the cable which came with the tablet anyway, but with a female full-size on the other end instead of male) and have not been able to get anything working yet. It doesn't seem to work with a standard USB memory stick, or a USB keyboard/case I ordered for it (maybe a missing driver?). If anyone has any suggestions about settings, diagnostics or any other tweaks that might get it to do what it says in the 'Applications' page linked above... thanks in advance!

mikeh

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2012/07/27 - 17:18

I have the same prob on 7b G3. Got OTG cable now and F2F USB converter (to use the charging cable to connect to USB storage or keyboard). Loaded "USB Host Controller" from Google Play store, and that cheerfully tells me "s3c usb host driver not found" - so seems like it is not enabled as a USB host

Anyone else found (or better still) fixed this?

Mike

olas

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2012/07/28 - 22:49

micro usb slave mean you should use otg cabel, while usb host mean fullsize 4-pins with ordinary usb cabel.

olas

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2012/07/28 - 23:04

"s3c usb host driver not found"!
Seems 'usb host controller' is specific for SG,
couse s3c is samsung driver.
Anyway on 7b it works.

olas

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2012/08/15 - 12:49

Please Notice:

Archos ARNOVA 7f G3 4GB 3G READY

while

Archos ARNOVA 7f G3 8GB

those retailers announcements.

olas

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2012/08/15 - 13:04

could anyone check ARNOVA 7f G3 4GB usb-host capabilities ?

ARNOVA 7f G3 8GB don't has it.

mikeh

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2012/08/20 - 16:48

Ok - this was all down to my ignorance - indeed - buying a £1.99 USB OTG adapter from ebay did the job that my more expensive Micro/fullsize USB converter failed to do. Still dont know what USB host really is on such a device, but I have connected storage to my arnova, great for holidays and stuff backing up camera to Archos or even to other memory sticks - thanks for the answers - don't be fooled by USB host controller error messages, buy an OTG adapter and be happy Cool .... - unless you want to connect multiple USB devices - but that is probably just greedy!

OTG also worked on the Sony Xperia, Samsung Galaxy etc etc - its all good

exelletor

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2012/08/20 - 17:52

You mean you got OTG working on the 7f g3? How much flash memory do you have? If yes, it is actually quite weird - I have another tablet from the same manufacturer and I got no reaction when I tried to connect stuff. Confused

olas

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2012/08/20 - 20:24

You mean about 7b or 7f?

tobias

Berlin

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2012/08/21 - 05:48

exelletor said
You mean you got OTG working on the 7f g3? How much flash memory do you have? If yes, it is actually quite weird - I have another tablet from the same manufacturer and I got no reaction when I tried to connect stuff.

I have a 7f g3 with 8GB and I tried it with several different OTG cables and also had no response at all, including using a few different hosting monitoring apps. I'm by no means an expert but I couldn't get anything happening, so if someone has figured it out I'd be happy to hear how you managed...

mikeh

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2012/08/21 - 10:11

I'd love to say I was smart enough to "get it working", however, it was really a case of plug-and-play - it just happened. Its a 7b G3, rooted according to http://www.arctablet.com/blog/forum/arnova-7b-g3/arnova-7b-g3-custom-firmware-with-google-play-and-full-root-easy-flashing-method/ (to allow Market access) and loaded with "USB Host Controller" - I have a 32Gb micro SD, and now a SDHC card reader (left over from the old days where my laptop only had a standard SD slot) with a 16 or 32Gb SDHC, also tried it with a USB keyboard and USB memory sticks up to 32. The only issue is with the SDHC card reader where I have to insert the card before I connect the reader, otherwise it says "card not present" or similar.

I guess I may be just lucky Cool

exelletor

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2012/08/21 - 14:57

The thing with the 7b g3 is that it states on the Arnova website that it has usb host, while it doesn't say so for the 7f. There is a small line of text on the applications page, which Archos staff probably forgot to remove... Confused

olas

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2012/08/29 - 21:02

May be there is not power on 7f usb connector, and power supplied usb hubs not supported by firmware.

bobd22

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2012/09/26 - 17:20

So have we now confirmed that 7FG3 does not support anything in the USB other than plugging into another computer? I have tried with OTG cables etc to use both external key pad and USB sticks without any joy. I think I will just have to try and sell the keyboard/cover and OTG cable on E Bay if that's the case. Very annoying would have gone for something else had I known other than that though very happy with the tablet.

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