Re: [N8VEM-S100:3174] Re: boards uploaded to wiki

[Todd Goodman <t...@bonedaddy.net>]

Hi Andrew,

They optionally provide beveling of the board where the fingers are.
Have you been having them do that too for the S-100 boards?  What angle
beveling have you had them do?

Thanks,

Todd

* Andrew Lynch <LYN...@YAHOO.COM> [140421 19:56]:
> HI
> 
> Gold edge fingers are an option the PCB order screen at PCBcart.com
> 
>  
> 
> Just specify the number and they plate them.
> 
>  
> 
> Thanks and have a nice day!
> 
> Andrew Lynch
> 
>  
> 
> From: Andrew Bingham [mailto:abin...@gmail.com] 
> Sent: Monday, April 21, 2014 2:29 PM
> To: n8vem...@googlegroups.com
> Cc: Andrew Lynch
> Subject: Re: [N8VEM-S100:3132] Re: boards uploaded to wiki
> 
>  
> 
> Andrew,
> 
>  
> 
> How do you specify the gold plating on the edge connectors?  For S-100 cards this is an important consideration.  
> 
>  
> 
> I read in my own research that the ENIG gold finish that is used to prep for soldering is only about .1 microns of gold over 5 microns of nickel and that a proper Hard Gold coating for a card edge connector is 1.5 microns gold over 5 microns nickel.  
> 
>  
> 
> Are the past S-100 boards you have done for the group ENIG, or something else?
> 
>  
> 
> Some of the cheaper prototype PCB places don't even offer ENIG at all in their basic products, let alone a hard gold type coating.  So this is a discriminator for what process to select.
> 
>  
> 
> Andrew B
> 
> On Monday, April 21, 2014 9:00:54 AM UTC-7, lynchaj wrote:
> 
> Hi Neil
> 
>  
> 
> Any board house will probably do fine.  
> 
>  
> 
> I use PCBcart.com for "production" boards and 33each.com for prototypes.
> 
>  
> 
> Good luck!  Thanks and have a nice day!
> 
> Andrew Lynch
> 
>  
> 
> From: nbreeden <nbr...@me.com <javascript:> >
> To: n8ve...@googlegroups.com <javascript:>  
> Sent: Sunday, April 20, 2014 5:11 PM
> Subject: [N8VEM-S100:3132] Re: boards uploaded to wiki
> 
>  
> 
> Andrew, 
> 
>  
> 
>   Can you provide some info on who you use to manufacture the boards etc? I'm completely new to this; using someone you've had success with seems like a good idea.
> 
>  
> 
> -Neil
> 
> 
> On Sunday, April 20, 2014 5:58:35 AM UTC-7, lynchaj wrote: 
> 
> Hi
> 
> I uploaded the EDA files, schematics, and PCB layout files for the S-100 80286 CPU V2, S-100 SMB V2, and S-100 MS DOS Support V2 boards to the wiki in their appropriate folder.
> 
>  
> 
> These boards are ready for production so if you want to make some orders feel free.  Thanks and have a nice day!
> 
> Andrew Lynch
> 
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