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Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?

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Old 02-09-2019, 11:11 AM   #1
romankqsok
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Please suggest a netbook (tablet with a keyboard) AllWinner bootable without any blobs


Cortex A7 preferably AllWinner A20/A23/A31/A33

Need to boot into Linux or BSD and display should work at least slowly to display text mode or text console in X11.

Thank you very much for your help!
 
Old 02-09-2019, 01:05 PM   #2
Timothy Miller
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What have you already looked into and why would it not work?
 
Old 02-09-2019, 02:16 PM   #3
ondoho
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some context:
https://www.linuxquestions.org/quest...a7-4175647877/
 
Old 02-09-2019, 10:06 PM   #4
romankqsok
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Quote:
Originally Posted by Timothy Miller View Post
What have you already looked into and why would it not work?
Please note a few features of a laptop/tablet I am looking for:

1) Spectre free CPU with "in order" execution and not very modern to avoid backdoors like Cortex A7.
2) Open source drivers in a Linux mainline like for AllWinner A20 realization.
3) Able to boot into FreeBSD/OpenBSD
4) May be it can be a custom made laptop from Olimex Olinuxino A20 like this:
https://wot.lv/my-take-on-a-custom-laptop.html
5) USB port able to connect to USB hub with several devices like external USB keyboard, mouse, HDD, etc.
6) BLOB free boot to avoid hardware trojans managing ARM worlds in TrusZone
 
Old 02-09-2019, 10:08 PM   #5
romankqsok
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I have found a few of Tablets based on CortexA7:

Prestigio MultiPad PMT3111
Explay N1 Plus 4Gb
teXet TM-9751HD and clones like Onda V972, Archos Platinum 97, MODECOM FreeTAB 9704 IPS2 X4, Cmx CLANGA 097-2016
SeeMax Smart TG715
Prestigio MultiPad PMT3009
eSTAR Grand HD Quad Core
ESTAR Gemini IPS Quad Core
ESTAR EASY IPS Quad Core (MID7318)
ESTAR 7" Themed Tablet Finding Dory


I cannot find any info on how to run a generic kernel on them, for example BSD (instead of factory Android kernel).
 
Old 02-09-2019, 10:13 PM   #6
romankqsok
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So I think I have to make a custom Laptop based on a CortexA7 AllWinner board compatible with OpenBSD.

You can see an example of such DIY:

https://web.archive.org/web/20190209...om-laptop.html

They use a special adapter to convert a general Thinkpad Keyboard to USB channel.

I think such adapter can be found in different Android ARM based smartbooks (not sure about Windows Atom smartbooks). Does anyone know which smartbook have a USB keyboard which could be reused in a custom made Laptop?
 
Old 02-11-2019, 12:28 PM   #8
romankqsok
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What do you think about how secure is MIPS hardware of a router like WNDR3800 with 128Mb RAM?

This router can boot into fully free open source LibreCMC.

It can be managed from text terminal via SSH or serial console.

Can I add SWAP on LibreCMC located on a USB flash by swapon command?

Can I then chroot from LibreCMC into another distro like Debian v8/v9 located on a USB flash drive?
Only text mode is needed, NO graphical desktop is needed.
 
Old 02-12-2019, 12:53 AM   #9
ondoho
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please stop doubleposting.
your last 3 posts are identical to the last 3 posts here.
 
  


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