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ClockworkMod (CWM) Recovery easy install for RK3066 and RK3188 -- TWRP/CWM Flash-Tool and root for RK3288

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hdd compatibility
RishiRaj
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2012/01/06
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2012/01/06 - 14:04
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Hi, i am planning to purchase the arnova 7 g2. Now the only hitch is that....Is it compatible with a Western digital My Passport essential external self powered hard disk drive? The device will be plugged in thru the usb host (as it has a mini usb 2.0 slave). Cuz many devices if plugged in via a mini usb port (converted to a female usb) generally do not work. This is the only assurance i need to purchase the device..Plzz help me out..thanxxSmile

Reisen Inaba
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2012/01/15
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2012/01/15 - 14:23
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Is your HDD selfpowered as in mains plug? As im not sure whether the tablet could provide enough power to support a external HDD. I dont have a WD Passport to test but i do have 2 2.5 HDD's in portable caddy's i can test. I'll let you know.

finless
Stanton, Ca

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2012/01/15 - 16:03
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I just tried my USB powered 2.5" hard disk on my Arnova 10 G2 and no go.  It cant provide enough power to power the drive properly.  However when I plugged in the optional wall power adapter to the drive, it worked.

 

Bob

billynibbles
London, UK
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2012/01/16
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2012/01/29 - 08:04
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I'm thinking that power isn't the only issue here, because the USB port on the Arnova 7 G2* is only specified as 'slave', it won't be able to detect anything that's also a slave, like a mass storage device. Both are dependant on being detected by something like a PC with a fully implemented USB port.

I've tried it with a Seagate 1tb drive which has its own power, and still nothing happens. When I try the Files icon, all I get from the USB section is "The USB device has been unmounted".

 

*I think the Arnova 10 G2 is a different case as people are reporting that they can make a USB keyboard work, which is a similar issue, so maybe the 10 G2 has a wider degree of USB compliance.


damo
Kingston upon hull, UK

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2011/10/16
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2012/01/29 - 09:23
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I get same problem on two of my external hard drives that notification
Comes up, I can't see why one drive would work and one won't
As mass storage is a standard

billynibbles
London, UK
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2012/02/10 - 12:30
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Damn! I thought I was at last getting somewhere. I realised that I'd get nowhere without the On-The-Go (OTG) version of the adapter lead so I got myself one. Well, I'm a little further down the line than in my previous post, as I now get a notification telling me that the "USBMassStorage safe to remove" which is a step forward in itself, but when I try to read any files, I still get "The USB device has been unmounted". Just to remind you, my drive is a Seagate 1 tbyte with its own power. I've tried all combinations of rebooting the Arnova 7 G2 with and without the drive attached. Funny how this seems to work for some drives and not others. Presumably, the ones that do work are a tad more interactive despite being slave devices.

 

Even more curiously, it will work with three unpowered USB sticks (Lexar 128 mb, Kingston 16 gb and a generic 4gb) and my wife's Flip MinoHD camcorder, all four of which can be viewed through 'Files' so power itslef does not appear to be the issue.

alex
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2012/02/10 - 12:51
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when it says usbdevice is safe to remove that means it has been unmounted are you pressing anything to get to there or does it come up as soon as you plug it in?

"The best person in the world, at the moment" -imstookatboot
billynibbles
London, UK
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2012/02/10 - 15:16
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alex said

when it says usbdevice is safe to remove that means it has been unmounted are you pressing anything to get to there or does it come up as soon as you plug it in?

It comes up as soon as plugged in, so at that stage I've pressed no other options.

alex
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2012/02/10 - 15:20
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is there an option to mount the device? check in settings ect.

"The best person in the world, at the moment" -imstookatboot
billynibbles
London, UK
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2012/02/10 - 18:39
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alex said

is there an option to mount the device? check in settings ect.

I've trawled all through the Settings, and there's nothing relating to USB storage not even in the Storage section. The other devices I mentioned automatically put the USB 'fork' symbol at the top of the screen. It's strange as I can faintly hear disk activity from the drive as I connect it.

 

UPDATE: I solved the mystery. The drive was in NTFS format. However, the only other format choice was exFAT, which also doesn't seem to work. Looks like the options are:

 

a) Put in the Customised Firmware that recognises NTFS drives, or

b) Force a FAT32 format at the Windows command line (something like "format /fs:FAT32 H:" where H is the drive letter IIRC) - and I thought I'd seen the last of DOS commands!

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