[Voyage-linux] ECN for ALIX boards

David Gascón (spam-protected)
Fri Mar 7 21:52:56 HKT 2008


> it shows barely 0.2 amp even with two XR5s on the board.

mmm... I think you are making a bad measure. Do you have the tester with 
the right amperage level? I mean, in the 0'2mA - 2A intervale? (you may 
have an upper level of  0'2 [surely...])
I have made some measures adding USB bluetooth pens and the amperage 
increases (0'2 for each pen).

regards.

David.

>   The analog ammeter of course cannot reflect the instantaneous power 
> draw that may be occuring on the board during TX periods but it does 
> give a good estimate of the average current needed from the power 
> supply.  I have many 12v 1A (nominal) power supplies that actually put 
> out close to 18v and hold ~17v when powering an ALIX board.
> As for the behavior of the unmodified boards, I would also see them 
> simply shut down after a few minutes (or less) with high powered cards 
> inserted.
> Edwin
>
> bob wrote:
>> Aloha All,
>>
>> Completed this mod to three boards this afternoon.  They've been up 
>> for four hours now, with an XR5 and XR2 in each.  Prior to the mod, 
>> they would stay up between 2 and 15 minutes.
>>
>> bob
>>
>


-- 
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