S-100 tech Summary (was Re: This is new...)

From: Don Maslin <donm_at_cts.com>
Date: Wed Apr 15 13:58:01 1998

On Wed, 15 Apr 1998, Allison J Parent wrote:

> <signal lines. Every board required it's own regulation, which
> <could take 20% or more of the board space, as well as being a
> <nightmare to keep cool. If you see early pictures of loaded
> <IMSAIs, the cover was always off. This was a necessity, the
> <heat was too much with the cover on. I had to use a 16" fan to
> <keep mine running with 64KB of 2102 based static RAM (not 21L02s
> <BTW, they cost more than the fan did).
> Some of the batter boxes had put some thought to air flw and this was not
> a problem. The Northstar Horizon was good, VECTOR MZ, COMPUPRO and there
> was an oufit that made mostly boxes all well cooled.
                                                 - don
> In the mid to late 70s it was either boxed systems like TRS-80, Apple
> or designer systems like S100 or SS50. SS50 was 6800 based 50 pin bus
> and tended to be a very different thinking.
> Allison

    Don Maslin - Keeper of the Dina-SIG CP/M System Disk Archives
         Chairman, Dina-SIG of the San Diego Computer Society
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Received on Wed Apr 15 1998 - 13:58:01 BST

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