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 serial access on first boot 
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Joined: Wed Oct 11, 2017 5:39 am
Posts: 1
Post serial access on first boot
I just bought a fitlet xa10, and got 8GB of DDR3L and a 250GB mSATA installed.

I purchased this serial cable: ... UTF8&psc=1

and even got this null modem in case I needed it: ... UTF8&psc=1

I apply power, the green light appears on the button, I then:

ls -la /dev/ttyUSB*
to see what new device is found, which is ttyUSB0

I then use:
minicom -D /dev/ttyUSB0

to connect to it. I can see a light in the serial cable end light per keystroke, but I can never see any output in my terminal. tried with/without null modem. held in button until it turned yellow (what mode is this?) let up, pushed again it turns green. I never see it boot over the serial line. I am in the dialout group and the group perms on the character device are rw.

What am I missing?

Thanks for any assistance

Wed Oct 11, 2017 6:07 am
Site Admin

Joined: Mon Mar 16, 2009 2:11 pm
Posts: 2348
Post Re: serial access on first boot
It is not entirely clear to me if you are
1) trying to connect a device to fitlet
2) trying to access fitlet as a device through serial.

If 1): fitlet USB behaves like a normal PC. Make sure you have the drivers for the USB serial adapter and that the serial parameters are set correctly for the device you are connecting.

If 2): fitlet does not have serial console by default. You can configure Linux on fitlet to enable serial console. You will need a keyboard and monitor to set it up first. Then you will have serial console after Linux boots.

Irad Stavi
fit-PC forum admin


Thu Oct 12, 2017 3:38 pm
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