[MinnowBoard] no suitable video mode found booting in blind mode

nb nb at dagami.org
Thu May 21 15:08:03 UTC 2015


Hi ken,

I totally agree.
Even with 3A, and a mSATA disk and usb WIFI dongle, it depends on the power supply used.
It works fine with some, and not with others.

With peripherals powered externally, it always work.

Regards

nb


> Le 21 mai 2015 à 16:51, Ken Tait <ktait at venturesystemdesign.com> a écrit :
> 
> Luca,
> 
> As I've stated before in this group, 2 or 2.5A supplies are MARGINAL for this board and will not run external drives or other peripherals. If you add a Lure it gets worse.
> 
> You need at least a 3A supply and Wall Warts are terrible supplies for CPUs like this. They cannot handle the startup current needs. It's really a fluke that this works at all. It's not the running current that is usually the problem, it's the instantaneous current load on startup that is the issue.
> 
> I've been designing systems for 45+ years..believe me I know what I'm talking about...
> 
> Get yourself a good switching supply...
> 
> Regards
> ken
> 
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