[hpsdr] [ATLAS] - proposed physical bus/pcb design 03March2006

[Christopher T. Day]

Phil,

My attached message gives the Mouser part number I found for the 24-pin
version. I found it by looking for a match to what is specified for the
plug in the ATX V2.2 Motherboard spec 
<http://www.formfactors.org/developer/specs/atx2_2.pdf>. Here is the
data sheet for the header on the Mouser site:
<http://www.molex.com/pdm_docs/sd/039281243_sd.pdf>. Is this enough
info?

Unfortunately, I think this header is not pin compatible with the 20-pin
version; the latch is in the wrong place and the pin across from #8 is
NC instead of -5VDC as specified for the 20-pin connector in the ATX
v2.1 spec 
<http://www.formfactors.org/developer/specs/atx2_1.pdf> 
I now have the picoPSU supply which is not modifiable to 24-pins, so I'd
be happy with the Atlas board as is.


	Chris


-----Original Message-----
From: Philip Covington [mailto:p.covington at gmail.com] 
Sent: Saturday, March 04, 2006 3:22 PM
To: High Performance Software Defined Radio Discussion List
Subject: Re: [hpsdr] [ATLAS] - proposed physical bus/pcb design
03March2006

***** High Performance Software Defined Radio Discussion List *****

On 3/4/06, Eric Ellison <ecellison at comcast.net> wrote:
> Phil
>
> Fantastic. Many great ideas here. I really like the inclusion of all
> voltages for experimenters! We had talked about using the new 24 pin
ATX
> connector which is apparently compatible with the current 20 pin
connector.
> This would allow for the future of the newer power supplies included
with
> future computer enclosures.
>
> Are you doing this in Kicad? If so can we get a holt of the project
files?
>
> Thanks
> Eric

Hi Eric,

I could not find a specification or reliable source of information
concerning the pin out of the 24 pin connector mentioned.  Anyone?

73 de Phil C
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