Path: utzoo!utgpu!water!watmath!clyde!rutgers!husc6!uwvax!umn-d-ub!umn-cs!hall!dtj
From: dtj@hall.cray.com (Dean Johnson)
Newsgroups: comp.arch
Subject: Re: Machines Seymour Cray has designed
Message-ID: <4205@hall.cray.com>
Date: 19 Feb 88 17:39:34 GMT
References: <10948@sgi.SGI.COM> <3490010@wdl1.UUCP>
Reply-To: dtj@hall.UUCP (Dean Johnson)
Organization: Cray Research, Inc., Mendota Heights, MN
Lines: 11
Posted: Fri Feb 19 11:39:34 1988


Regarding Bron Nelson's posting of 2/13 on Seymour Cray's involvement
in the development of the CDC 6600:

According to an ex-CDC CE for the 7600, Seymour Cray was in charge of
Central Memory and the PPU.  Les Davis was in charge of the FP Add and
Long Add. Ray Thornton was in charge of the CPU.

Evidently, when the 7600 was being designed, Seymour totally scrapped 
the 6600 CPU and started from scratch to eliminate internal conflict 
problems.