Orange Pi 3G IOT B - Linux Install Guide

vinhjaxt

Because Flashtool downloaded DA so Jumpers are correct.

admin

mikola replied at 2019-3-6 16:23

Please change to 921600 instead of 115200

mikola

921600 baud is correct speed. Thank you.

crossmax

Hi all!
I'm testing the orange pi 3G-IOT model because I need it for a new project. I've flashed the linux image, or i think that, but I don't see anything from serial port.
I guess I flashed linux image because I selected a scatter file from linux image decompressed. I used 'Download Only' mode to flash and process has finished correctly.
I remove the jumpers and connected tx-rx and gnd to TTL-USB converter. Serial port is configured to 921600 bauds 8N1, no HW and mo SW flow control.
When I orange turned on, the first 12 seconds only red led is on, after that, the green led is on too, but none blinking.

I'm doing something wrong to flash and boot the ubuntu image for 3G-IOT?
Thanks

crossmax

crossmax replied at 2019-4-1 21:10
Hi all!
I'm testing the orange pi 3G-IOT model because I need it for a new project. I've flashed the ...

i solved it!. The USB converter failed.

Anyway, I've trying to logging in and I can't. I get the all output message until the

1. Ubuntu 16.04.5 LTS localhost.localdomain ttyMT0
   
2. 
   
3. localhost login:

Copy code

But if I write in, I see this:

1. localhost login: ��������������
   

Copy code

Can I logged in another way?

Dannylo

Hi! i managed to flash linux img into my board emmc and connected the tx-rx and gnd pins to the usb converter. I can see the system booting with PuTTy but cannot send inputs with my laptob keyboards in order to finish the login process... any suggestions?  

crossmax

Dannylo replied at 2019-4-19 23:13
Hi! i managed to flash linux img into my board emmc and connected the tx-rx and gnd pins to the usb  ...

Hi. I've the same problem, and suddenly works. I think that power supply is a important element in this case. Or usb cable used to connect the ttl to serial port. Change both, the TTL works for me

Dannylo

Did not work for me.... i tested the converter and it works fine in other projects, but still not sending keyboard inputs to the board :/

Chauanphu

Hi ! I'm also having a problem with OrangePi 3G B: I've downloaded the Ubuntu system but there are so many image files and none of them is bigger than 1GB. So how can I flash all of them into SD card ? By the way, I used Image Writer to flash the image. Tks !

Chauanphu

I'm using Putty to connect.
I've tried to change baudrate to 9600, 115200, 921600.
I've tried to flash other files and another flash tool.
But the screen of Putty is still blank (No sign of booting).
I think the problem is that I'm using the SD card instead of TF card (I'm not so sure about this if it makes a change)
And also I think I've uploaded the wrong file so if anyone downloaded the ubuntu system (from http://www.orangepi.org/download ... 4d873cf3144356.html), could you show the folder when you unzipped it ?
And I don't if this is important or not, but when I provide energy for the board, only Red LED is bright, the Green one isn't  
I'm totally new to orange Pi, so I need a lot of helps.