VAX 8600's

From: Eric Smith <>
Date: Fri Jul 14 15:32:14 2000

I wrote:
> It would be nice to see some of these preserved, but for my own part I'm
> going to draw the line at 785s.

Bill wrote:
> At least those were Schottky TTL reimplementation of the 11/780 (IIRC).
> Rumor says it was done because the 8600/8650 was running late in design.

One of the things I like about the 785 is that the entire control store
(8 Kwords of 99 bits) is WCS (RAM). On the 780 the main control store was
PROM, although there was 1 or 2 Kwords of WCS for diagnostics, and an
optional 1 or 2 Kwords for user WCS or G format floating point.
Received on Fri Jul 14 2000 - 15:32:14 BST

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