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#1 |
Member
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Karma: 34114
Join Date: Mar 2011
Device: PRS-350
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Mini Teardown
Had to take a look
![]() Disassembly is straightforward. Once the snap-on quilted cover is removed a thin plastic cover protects the PCB - six tiny philips screws have to be removed to remove that and access the board. Points of interest: 1000mAH battery Samsung K4X2G323PB-8GC3 256MB RAM Freescale i.MX507 CPU neonode NN1001 single chip touchscreen controller CyberTAN WC121 network controller TI 430G2333 (low power processor... hall effect?) TI TPS65185 EPD power supply (TPS report here) Serial port 3.3V (marked 'V') is unpowered when the device is shut down. Larger images in zip. |
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#2 |
Junior Member
![]() Posts: 6
Karma: 10
Join Date: Apr 2012
Device: Sony PRS-T1
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WHOA now, is that an SD card I see????
So can I just swap that bad boy out with the 32gb I have and be in 5" reader heaven? Thanks either way, I love taking electronics apart, have since I was a wee lad (to my parents grief) Last edited by digidon; 10-18-2012 at 04:19 PM. |
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#3 | |
Member
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Posts: 11
Karma: 34114
Join Date: Mar 2011
Device: PRS-350
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Quote:
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#4 |
Grand Sorcerer
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Karma: 47303824
Join Date: Jul 2011
Location: Sydney, Australia
Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos
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Someone has done this for one of the older devices. There is an explanation of what they did around here somewhere.
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#5 |
Grand Sorcerer
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Karma: 77592280
Join Date: Nov 2007
Location: Toronto
Device: Libra H2O, Libra Colour
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#6 |
Groupie
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Karma: 157090
Join Date: Nov 2011
Device: Kobo, Kobo Vox
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Yes, I did that with previous models and I can almost guarantee that the same will work with this device. It's quite a simple procedure once the device has been opened.
In my case I did it on Linux, I simply ran the dd command to make an exact copy of the original card onto my target card and then used a partition editing program called gparted to enlarge the storage partition to fill the new card. The process can be time consuming, but you're essentially only running two or three commands. I made a bit of money upgrading several Kobos to 32GB with this method and it's really rather painless. One thing I'd be very interested to see is what speed the internal SD card is and whether you could get a significant performance increase by upgrading the card for both size and speed. EDIT: Tomorrow I'll be performing an SD card upgrade on both a Glo and a Mini, I'll keep you updated but I'm confident that it will work flawlessly. Last edited by jefftheworld; 10-21-2012 at 10:25 PM. |
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#7 |
No Comment
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Karma: 23878043
Join Date: Jan 2012
Location: Australia
Device: Kobo: Not just an eReader, it's an adventure!
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#8 |
Groupie
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Karma: 157090
Join Date: Nov 2011
Device: Kobo, Kobo Vox
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Okay! I can confirm a success on both of those. I'll be seeing if I can't get a high speed card soon and pop that into my friend's Vox to see if r/w speeds are appreciably increased.
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#9 |
Connoisseur
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Karma: 31830
Join Date: Oct 2012
Location: Australia
Device: Aura HD, after a train ate my Glo
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Me too!
But I just did some research and my conclusion is that it's not easy to buy fast microSD cards. They do advertise "class" - which is max sustained read/write speed - but in random access (which is what matters for non-camera usage) it's all over the place, which higher class often (but not always) worse. If you look at random access 4 KB-block-sized writes, various cards can achieve anything from 2 MB/s (500 blocks written per second) to 0.006 MB/s (yes, 1.5 blocks written per second). There exists at least one Sandisk 2 GB class 2 model which is incredibly fast, and if Kobo actually ships with that model, it's going to be hard to beat. Last edited by sysKin; 10-23-2012 at 11:01 PM. |
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#10 |
Grand Sorcerer
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Karma: 77592280
Join Date: Nov 2007
Location: Toronto
Device: Libra H2O, Libra Colour
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http://www.sakoman.com/OMAP/microsd-...t-results.html might be of interest
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#11 |
Junior Member
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Karma: 4210
Join Date: Oct 2012
Location: Latvia
Device: Kobo Glo
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#12 | |
Junior Member
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Karma: 4210
Join Date: Oct 2012
Location: Latvia
Device: Kobo Glo
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Quote:
Now I have glo memory card backup in case of problems. |
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#13 |
Member
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Posts: 11
Karma: 34114
Join Date: Mar 2011
Device: PRS-350
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I find it's best to always use a plastic tool to pry open devices like this, not a flat-bladed screwdriver. With a metal tool it's very easy to damage the casing, but with a plastic tool you can use a surprising amount of pressure without any damage.
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#14 |
Junior Member
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Karma: 4264
Join Date: Nov 2012
Device: Kobo mini
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My wife got me one of these yesterday and today I was taking it apart. I immediately wondered the same thing about putting in a bigger memory card.
Can anyone recommend a program for windows for copying over the contents of the original card to a new one with the partitions intact? |
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#15 | |
Zealot
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Posts: 137
Karma: 207434
Join Date: Dec 2011
Device: Kobo Glo
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Quote:
Creator: http://www.vconsole.com/client/?page=page&id=28 Writer: http://www.vconsole.com/client/?page=page&id=29 No idea why they split this in two separate tools, but works flawlessly under Windows 7 x64. |
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