RE: Kits received -> HW question

From: Jack Rubin (jack.rubin_at_ameritech.net)
Date: 2008-01-25 03:07:03

Mike,

Am I going completely nuts or are your photos reversed?

Jack

> -----Original Message-----
> From: owner-cbm-hackers@ling.gu.se 
> [mailto:owner-cbm-hackers@ling.gu.se] On Behalf Of Mike Naberezny
> Sent: Sunday, January 20, 2008 10:35 PM
> To: cbm-hackers@ling.gu.se
> Subject: Re: Kits received -> HW question
> 
> 
> Jim Brain wrote:
> > The parts kit has 2 20x1 header pins and 2 40 pin sockets.  
> The idea 
> > was:
> > 
> > Solder the 40 pin socket on the board.
> > Solder the 20 pin headers to the bottom side of the board 
> to the pins. 
> > Plug the second socket into the bottom of the pins (or solder it 
> > there. Plug the lower socket into the 1541
> 
> I received my board on Friday and assembled it today.  Thanks 
> to all who have 
> helped realize this project, particularly Ruud, Jim, and Al.
> 
> The holes for the 40-pin socket appeared to be a bit smaller 
> than the others. 
>   I could not get the 40-pin socket included with the kit to 
> fit in these 
> holes easily.  I enlarged the holes slightly and then a socket with 
> machine-tooled pins just fit.
> 
> Soldering the headers directly below the socket worked for me 
> as you described 
> but I think some people with less experience soldering will find it 
> challenging.  If there is a future revision of this board, 
> putting parallel 
> rows of pins just for the headers would make it a little easier.
> 
> I haven't yet hooked up /SEL to the 1541.  I put a 10K 
> pull-up resistor under 
> the board to keep it from crashing the bus until I do.  It 
> would be nice if 
> some holes could be added for this resistor but that's not a 
> big deal.  My 
> 1541 works normally with the board inserted but this is the 
> extent that I have 
> tested it so far.
> 
> I need to hook up an IDE drive to do further testing.  I also 
> need to build an 
> adapter so I can replace the 24-pin ROM with a 28-pin EPROM.  
> I might also use 
> a 1541-II for testing to avoid making the adapter but its 
> 6502 isn't socketed 
> so it is a similar amount of work.
> 
> Here are some photos of my assembled board: 
> http://mikenaberezny.com/projects/x-ide
> 
> Regards,
> Mike
> 
>   - 
> Mike Naberezny (mike@naberezny.com) http://6502.org
> 
> 
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