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From: cme@cloud9.UUCP (Carl Ellison)
Newsgroups: comp.sys.misc,comp.os.misc,comp.misc,comp.arch
Subject: Re: The NeXT machine has been announced! (long)
Summary: cramming?
Message-ID: <2070@cloud9.UUCP>
Date: 14 Oct 88 17:28:33 GMT
References: <360@elan.UUCP>
Organization: Stratus Computer, Inc., Marlboro, MA
Lines: 18

In article <360@elan.UUCP>, jlo@elan.UUCP (Jeff Lo) writes:
> 
> The entire CPU board consists of 45 chips as compared to 100+ for a fast
> PC and 300+ for a typical workstation. Everything has been crammed onto
> a 12 inch square board through the use of very dense surface mounted
> devices, and a few large custom CMOS chips. 

By my calculator, 45 chips in 144 square inches
gives 3.2 sq.in. per chip, on the average.

Since a number of those need to be memory (therefore not monster PGAs),
I don't see the need to cram.

What's up here?


--Carl Ellison          ...!harvard!anvil!es!cme    (normal mail address)
                        ...!ulowell!cloud9!cme      (usenet news reading)