4 Jun
2007
4 Jun
'07
11:37 a.m.
On 4 Jun 2007 at 2:50, Dave McGuire wrote:
Yes, that's why I quoted "authentic".
There's nothing (IMO) about
the presence or absence of a 7805 that makes an S-100 board any more
or less authentic...that's the point I was trying to get across.
Well, I don't know much about the nuances of this collecting thing.
Does replacement of 74LS logic with, say, 74HCT logic lower the value
of a vintage object?
Also true. I'd bet, however, that the number
of S-100 products is
twice that of Multibus and STD bus combined, even when taking into
account stuff like Multibus-based Cisco routers and related stuff. I
wonder why that is...is it just a matter of having been developed
sooner?
That's an interesting question, considering the variety of boards
possible using the Multibus daughterboard system. Given the long
life of Multibus and its deployment in industrial systems (as well as
some Sun hardware), I wonder if the total production volume of
Multibus boards isn't greater than that of S-100. Yet Multibus sems
to get very little notice from the vintage collectors. Really a
shame, since MB is much more of a well-thought-out design.
At Durango, we had an MDS-800, but we also went "on the cheap" and
purchased a Multibus cage and cards, some floppies and a PSU and
built our own MDS-compatible (wooden) box as a backup. Not nearly as
pretty or expandable, but it booted from the same ISIS-II floppy as
did the MDS.
Cheers,
Chuck