Orange Pi PC booting problem

vanjo9800 · Published in 2016-3-20 23:39:43

Hello,
I ordered the Orange Pi PC with a power cable and it arrived last week. However, the seller made a mistake with the cable - instead of DC cable, I received a microUSB cable. So I could not possibly power the board. I figured out I can give power trough some of the pins, so that was a small relief. I figured out how I can power it using my Raspberry Pi Zero and once or twice it booted successfully and worked. I tried Raspbian and Android from the official Orange Pi website and Debian Jessie and Ubuntu Mate from Loboris - no effect. The successful boots were only with Raspbian. The main errors were of bad sectors in the SD card, however I checked the SD card and it works fine. I supposed it was a power problem, so I bought a 5V2A DC adapter from Samsung. Then I cut down a USB cable in order to get the +5V and GND. Then connected the wires with the pins. The LAN lights turned on as well as a red LED which I read meant that it was booting. However, nothing more. The monitor recognizes it as output, but the output is blank. In Android the logo of Allwinner H3 stays and neither a green light turns on nor something changes.

Can someone tell me where is the problem?

Thank you very much in advance!!!

vanjo9800 · Published in 2016-3-21 03:10:58

Also, I read that I can see the debug log using the UART interfaces ( the 3 pins away from the 40). I have an FTDI device however I do not know how to setup the serial communication. Can someone explain me?

Thank you in advance!!!

engshien · Published in 2016-3-21 10:22:19

Likely, it booted successfully but just no display.. some of the distros make assumptions about the display (1080p; no DVI converter).

You COULD hook up to the serial port or check your DHCP for a new machine or just port scan for port 22.

However, I would give the Armbian distro a try:
http://www.armbian.com/orange-pi-pc/

They've leveraged some of Loboris' work and produced probably the most usable distro to date (don't expect Mali support though).

vanjo9800 · Published in 2016-3-21 20:35:10

Hi, Armbian works perfect ( it boots well). However, I have a problem with the resolution:

Also, sometimes the Orange Pi PC says that it has bad sectors on the SD card, but the next boot works OK.
Last, it sometimes just stops working without any mark. I wanted to install terminator and it stopped working, also I wanted to watch a YouTube video on fullscreen and again it stopped.

Can you tell me how I can solve these small (compared to the last ones) problems?

vanjo9800 · Published in 2016-3-21 23:28:55

For the SD card, I think the problem is that I do not supply it with enough current. I power it from a Raspberry Pi because the seller sent me the wrong cable. Also, I tried with an SD card I use for my Raspberry Pi, and it again gives bad sector errors, while the Raspberry works great with it.

For the resolution, I change it with h3disp. My monitor is HD (720p) and I have set the Orange Pi PC with such resolution, however, I still have the problem with the photo above.

vanjo9800 · Published in 2016-3-21 23:47:33

First - the display is not rotated, just I am not able see 1cm from the top and 1cm from the left.

Second - I do not want to give that way supply to my Orange Pi PC, so I ordered a cable with the board, but the seller sent me the wrong cable. I ordered another one and wait for it. The time I wait, I want to test the board.

Third - On previous boots, there was a log that there is very little current passing through the SD card and little after it, the I/O errors started.I tried it with the SD card which I use for my Raspberry Pi which works perfectly with it and again in the boot process there were logs for I/O error.

d4t3n7od · Published in 2016-3-24 23:56:40

I would also assume a weak or faulty power supply. I power my OPI PC with a cheap Ikea 3port USB charger (called Koppla in Lingua Ikea) which is rated at 3400mA total and max 2400mA per port, using the banggood supplied USB-to-4mm/1.7mm-barrel-plug cable. Using on of the other ports to charge my ZTE Blade cell phone (which itself comes with a 1500mA charger IIRC) overnight had no adverse effects.

Did you use the pins according to http://linux-sunxi.org/Xunlong_Orange_Pi_PC,
say: "It is also possible to power the device via GPIO pin header: connect +5V to either pin 2 or 4 (both are connected to DCIN test point) and GND to pin 6" ?

Greets!

d4t3n7od · Published in 2016-3-25 00:34:20

trpaslikcz replied at 2016-3-25 00:16
Using 'smart chargers' with dumb devices is a very bad idea since they provide max 500mA per port ...

Well, the Ikea charger is as dumb as can be =)
Also appears to be able to deliver some more current than advertised, did draw 4A for testing with no excessive heat or voltage instability.

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