-=> Quoting Roy J. Tellason to Leonard Erickson <=-

 RJT> Leonard Erickson wrote in a message to All:
 
 LE> Digging thru my junk box, I stumbled upon an old Inmac gizmo: 
 
 LE> SP-64
 LE> Serial-To-Parallel Converter
 LE> and 64K Buffer
 LE> Product No.
 LE> 8149-1
 
 LE> It's got a coax power jack, and no indication of what voltage
 LE> polarity it wants. 

 RJT> That's probably easy enough to figure out,  looking at the inside. 
 RJT> Odds are pretty good that there will be a regulator of some sort in
 RJT> there,  anyway... 

Yeah, but it's built into a box 2 cm thick, 7.5 cm long and 7 cm wide.
It's got *two* PC boards, with the part sides facing each other. 

Ah. It does come apart without too much trouble.

Would an LM341 be the regulator?

 LE> There's also a 8 position DIP switch inside (probably for setting 
 LE> serial parameters).

 RJT> That could be somewhat more difficult.  

Nah, just keep changing parameters until something prints. :-)
 

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