uIEC/SD == AWESOME!

[Jim Brain]

Tony Duell wrote:
> I assume there's a limited number of writes to the microcontroller 
> program memroy, though...
>   
10000
> I don;t know how much firmware space you have, but it would be nice if at 
> least Amigo and SS/80 could be fitted in together with a jumper/switch to 
> select between them. I'd also suggest some kind of configuration 
> switch-thingy to select the drive size -- some HP machines moan if the 
> drive is not the one they're expecting...
>
>   
Anything is possible.
> Well, I haev quite a few HPs, but (a) I am rather partial to them and (b) 
> there's this little bit of water in the way [1]. On the other had, if  I 
> can be of any help wen testing, let me know...
>   
I'll post to the list if I get that far.
> HO did bti-bang HPIB on several devices. The 82169 (HPIL-HPIB translator) 
> uses an 8049 IIRC, a custom HP buffer chip (which is nothing more than 
> line drivers/receivers) and a couple of TTL chips. The 98034 (HPIB 
> interface for the 98x5 machines) used HP's custom 'nanocontroller', some 
> standard buffer chips (3448s?) and a little TTL. Scheamtics for the 
> latter should eb on the Austalian Museum site.
>   
I'll check into this (any other links to HPIB interfaces?)  Right now, 
I'm fighting with the fact that I believe the full complement of 
IEEE-488 signals is 17, and it sure would be nice if I could get it down 
to 16