[MinnowBoard] J2 for powering a ssd

Thiago Tenório Jordão de Vasconcelos thiagottjv at gmail.com
Fri Nov 7 14:09:17 UTC 2014


David,

Don't do that unless your drive get less than 0.5A and/or your powered hub
allow more than 500ma draw.
Don't forget that every USB out is rated 500ma.

I did that using a cellphone charger rated 2A for my drive. xD

Thiago Vasconcelos


On Fri, Nov 7, 2014 at 11:04 AM, Arne Gollin <arne.gollin at googlemail.com>
wrote:

> THX i will double check.
> Am 07.11.2014 15:02 schrieb "Thiago Tenório Jordão de Vasconcelos" <
> thiagottjv at gmail.com>:
>
> Arne, did you checked the polarity of the J2?
>>
>> On the docs say that pin 1 is ground and pin 2 is 5V. But in my board is
>> inverted. The pin 2 is ground and pin 1 is 5V.
>>
>> Thiago Vasconcelos
>>
>> On Fri, Nov 7, 2014 at 10:55 AM, "Thomas B. Rücker" <thomas at ruecker.fi>
>> wrote:
>>
>>> Hi,
>>>
>>> On 11/07/2014 01:51 PM, Arne Gollin wrote:
>>> >
>>> > Hey, i wanted to power a SSD using the j2 Pins which provide 5v
>>> > usually for a fan. I bought a SSD which at max uses 0.5 watts... So
>>> > this should be fine since the Pins provide 1 A. But when i plug in the
>>> > SSD and start the board is always shortcuts. I tried to use the j5 or
>>> > j6 the one with 5v, and this would work when it would provide more
>>> amper.
>>> > So what is wrong with the j2 Pins? I tested my cable but this seems to
>>> > be OK.
>>> >
>>>
>>> What is the rating of the power supply, that you are using for your MAX?
>>> The drive might have a significant initial draw and that combined with
>>> the CPU might just overload your power supply.
>>>
>>>
>>> Cheers
>>>
>>> Thomas
>>> _______________________________________________
>>> elinux-MinnowBoard mailing list
>>> elinux-MinnowBoard at lists.elinux.org
>>> http://lists.elinux.org/mailman/listinfo/elinux-minnowboard
>>>
>>
>>
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