[MinnowBoard] problem getting Minnowboard Max to start

Nathan Becker nathanbecker at gmail.com
Sun Sep 14 04:06:54 UTC 2014


I'm using a 5V 10W power supply. I realize that the spec is 12.5 W, but the
wiki points to some other 10W supplies (not the one I have). I guess I'll
have to buy another power supply to test further. I tried a 5W supply and
found that the blinking is different. At 10W I get both LEDs on for a
couple seconds, then the one next to the SATA port blinks off and on very
slowly. On a 5W supply, the LED next to the SATA port blinks very rapidly.

Once things are working, I need to run on battery, so I'm a little
disappointed to see that the board is so picky about power.

On Sat, Sep 13, 2014 at 8:31 PM, Timothy Hurita <iviguy at outlook.com> wrote:

> Both blue lights should be solid. If the one next to the SATA connector is
> blinking then it's likely that the MAX isn't happy with the power source. I
> ran into the same issue using a high end 750W ATX power supply. The MAX
> would start to post, then the screen would go blank and one of the blue
> lights would flash. While monitoring power with a DMM I'd see it drop from
> 5.1v to 4.7v so maybe I wasn't loading the power supply enough. I did have
> a 10 Ohm resistor across the same power rail so I am not really sure what
> the deal was.
>
> What did work was an ancient 200W ATX PS I had laying around. I can also
> power the MAX and an SSD just fine with a 10W cell phone charger.
>
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