[time-nuts] FE-5680A Mechanical Question

Jim Lux jimlux at earthlink.net
Fri Jan 13 18:18:09 EST 2012

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?"

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