Re: [Soekris] I see development of the net6801 has been dropped.

2015-10-21 Thread Christopher Sean Hilton 
On Wed, Oct 21, 2015 at 08:45:47PM -0400, Greg Troxel wrote:
> Presumably you are using a 110V input?  (and I wonder if a Kill-A-Watt?)
> 
> I have a net5501 (with 40G PATA spinning disk) that I run on 12V, from
> several AGM batteries and a float supply.  I find that it draws 0.5A at
> 12-13V, which is about 6W.  However, if I fed it 6V instead, it would
> draw the same 0.5A and be about 3W.
> 
> I know the net6501 runs on 12V (or really enough about 5V to make the
> regulator work) as well, and that's attractive.  Are there options for
> the supermicro, or anything else, for 12V, other than a regular
> inverter?

I'm on 110AC and yes the meter is a Kill-a-watt. 

The SuperMicro machine would certainly not work on 12V. 

I not saying that the SuperMicro machine can replace the Soekris in
every use case. For my usage though, and that of anyone who's gonna
plug it into the wall for power, I'm saying it's not a bad deal.

-- 
Chris

  __o  "All I was trying to do was get home from work."
_`\<,_   -Rosa Parks
___(*)/_(*).___o..___..o...ooO..._
Christopher Sean Hilton[chris/at/vindaloo/dot/com]


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Re: [Soekris] I see development of the net6801 has been dropped.

2015-10-21 Thread Christopher Sean Hilton 
On Wed, Oct 21, 2015 at 11:28:27PM +0200, Iustin Pop wrote:

> Given that just the Atom processor on the Supermicro has a TDP of 20W, I
> doubt that the whole system is not significantly more. Otherwise, why
> would they ship with a *200W* PSU?
> 

That's the same processor that was in the proposed Net6801-70 (Atom
C2758) Note well that the Net6801-70 is listed as system power between
9W Idle and 31W active: http://beta.soekris.net/net6801.html. I'm not
sure that TDP is a good indicator of the power that the CPU uses. 

In my case I took the precaution of running my SuperMicro box on a
Watt Meter for a couple of weeks. It averaged 25W. The processor TDP
is 13W and the power supply is a 200W unit. My box has 4GB of RAM and
2.5" form factor 64GB SSD. My Soekris Net6501-50 with the same hard
drive averages 18W on the same watt meter. 

I suspect the 200W on the power supply is the maximum it can supply
and that it's the smallest power supply that SuperMicro has.

-- 
Chris

  __o  "All I was trying to do was get home from work."
_`\<,_   -Rosa Parks
___(*)/_(*).___o..___..o...ooO..._
Christopher Sean Hilton[chris/at/vindaloo/dot/com]


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Re: [Soekris] I see development of the net6801 has been dropped.

2015-10-21 Thread Greg Troxel 

Christopher Sean Hilton  writes:

> On Wed, Oct 21, 2015 at 11:28:27PM +0200, Iustin Pop wrote:
>
>> Given that just the Atom processor on the Supermicro has a TDP of 20W, I
>> doubt that the whole system is not significantly more. Otherwise, why
>> would they ship with a *200W* PSU?
>
> That's the same processor that was in the proposed Net6801-70 (Atom
> C2758) Note well that the Net6801-70 is listed as system power between
> 9W Idle and 31W active: http://beta.soekris.net/net6801.html. I'm not
> sure that TDP is a good indicator of the power that the CPU uses. 
>
> In my case I took the precaution of running my SuperMicro box on a
> Watt Meter for a couple of weeks. It averaged 25W. The processor TDP
> is 13W and the power supply is a 200W unit. My box has 4GB of RAM and
> 2.5" form factor 64GB SSD. My Soekris Net6501-50 with the same hard
> drive averages 18W on the same watt meter. 
>
> I suspect the 200W on the power supply is the maximum it can supply
> and that it's the smallest power supply that SuperMicro has.

Presumably you are using a 110V input?  (and I wonder if a Kill-A-Watt?)

I have a net5501 (with 40G PATA spinning disk) that I run on 12V, from
several AGM batteries and a float supply.  I find that it draws 0.5A at
12-13V, which is about 6W.  However, if I fed it 6V instead, it would
draw the same 0.5A and be about 3W.

I know the net6501 runs on 12V (or really enough about 5V to make the
regulator work) as well, and that's attractive.  Are there options for
the supermicro, or anything else, for 12V, other than a regular
inverter?


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Re: [Soekris] How to clean a mSata connector

2015-10-21 Thread Freek Dijkstra 
On September 9, 2015, I wrote:

[... explaining 3 errors with different SSD, that could be fixed by
unscrewing and remounting them in their socket ...]

> I now have the same problem: the SSD in gpt/system1 can't be read.
> 
> Now, I'm happy to buy another replacement SSD, but start to wonder if
> the socket could be the problem.

ED Fochler suggested at the time:

> 2: swap positions of SSDs, see if problem follows card or slot (or goes away)

I have the same issue again, and the problem followed the mSATA disk,
this time in a different socket.

My intuition, based on the fact this is the second faulty SSD in that
slot, was apparently wrong.

Score 1 for fine Soekris net6500.
Score 2 for awesome ZFS system that once again saved my day
Score waste recycle center for defective Intel SSD
Score money for the shop where I'm buying a replacement :)

Regards,
Freek Dijkstra
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