[time-nuts] FE-5680A Mechanical Question

Chris Albertson albertson.chris at gmail.com
Fri Jan 13 18:46:29 EST 2012

On Fri, Jan 13, 2012 at 3:18 PM, Jim Lux <jimlux at earthlink.net> wrote:
> On 1/13/12 2:51 PM, Chris Albertson wrote:
>> $150 is $130 more than $20.   It depends on if an ISA type computer
>> shows up for free.  I'm having doubts that one will.  They seem to
>> have become valuable.  The machine would need to be at least a Pentium
>> II so it could boot off the network and then mount some disk space.  I
>> know what you mean about maintenance so i don't want any disk inside
>> and no OS installed.
>> I'm surprised that no one has built a GPIB controller from a uP.
>> Electrically the GPIB is simple and slow by modern standards.
> That's exactly what the Prologix is... a microcontroller that implements
> IEEE-488/GPIB with a command interface (serial port emulation with USB)
> Maybe what you mean is "why has nobody published a design and software for
> free?"

I've been Googling,....

Yes there is a free published.  It appears to be the very much like
the Prologix.  The Prologix was the next iteration of this design.

Chris Albertson
Redondo Beach, California

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