Hi

Take a look at Hammond Industries cases. A lot of places sell them  
including DigiKey. They seem to be a little better made than the ones  
from Bud.

If you are going for more than a few hundred cases then custom begins  
to make sense.

Bob Camp


On Jun 13, 2007, at 5:10 AM, ranjith wrote:

> Hi,
>
> Thanks for the answers.
> Well actually we figured out that it would be better to use a ready  
> made
> casing for our requirement and not a custom built one...We would
> probably look for enclosures on budind.com for that..anyway we  
> would be
> going in for metallic casing..so all your answers would help.
>
> Thanks
> Ranjith
>
> nicodache wrote:
>> Hello,
>>
>> I'd add that on some "commecial" motherboard (asus, msi, etc), not  
>> all
>> the mouting holes are connected together, I've heard about  
>> motherboard
>> that died of surge problems with some mouting holes unused.  
>> However, I
>> don't know how the mouting holes are on soekris hardware.
>>
>> anyway, if you make yourself a case, you might think of using  
>> standard
>> mouting brassed screws/spacers, and in that case, you won't have this
>> kind of problems
>>
>> (and if you make yourself a case, would you mind share your case  
>> plans
>> with us ?)
>>
>> On 6/13/07, Poul-Henning Kamp <[EMAIL PROTECTED]> wrote:
>>
>>> In message <[EMAIL PROTECTED]>,  
>>> Ranjith writes:
>>>
>>>> Hi,
>>>>
>>>> We have purchased Net4826-50 board and case from Soekris. We  
>>>> would be
>>>> mounting the board in another custom built casing.
>>>> Please guide as to whether we can either use metallic or non- 
>>>> metallic
>>>> mounting plate for the same? Would the choice of the mounting plate
>>>> material really matter?
>>>>
>>> Depends what exactly you are doing with it, it's hard to give
>>> blanket advice about something like that.
>>>
>>> You need to decide up front if you want your (presumably) metalic
>>> enclosure to have electrical connection to the GND potential of
>>> the 4826.
>>>
>>> Choosing that this should _not_ be the case puts your soekris
>>> at a healthy danger because it will have to take all static
>>> electricity spikes on its own, whereas if you keep a common
>>> reference potenential for the entire enclosure the box will
>>> usually take the hit.
>>>
>>> Having decided what to do about your reference potential, you need
>>> to figure out how to do it.  A metalic mounting plate with metalic
>>> spacers is normally an OK reference connection, if you use isolating
>>> spacers or isolated mounting plate, you would need to add a wire
>>> from one of the mounting holes on the soekris to your reference
>>> potential.
>>>
>>> --
>>> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
>>> [EMAIL PROTECTED]         | TCP/IP since RFC 956
>>> FreeBSD committer       | BSD since 4.3-tahoe
>>> Never attribute to malice what can adequately be explained by  
>>> incompetence.
>>> _______________________________________________
>>> Soekris-tech mailing list
>>> [email protected]
>>> http://lists.soekris.com/mailman/listinfo/soekris-tech
>>>
>>>
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>>
>
>
> -- 
>
>
> _____________________________________________________________
>
> Thanks & Regards
> Ranjith
>
> Amrita Research Labs
> Amrita Vishwa Vidyapeetham
> Amritapuri P.O
> Kollam, Kerala - 690525
>
> Ph:0476-2896318/2896328
> Extn: 4102
>
> http://arl.amrita.edu
>
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