1 Jan
2009
1 Jan
'09
9:32 p.m.
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