Path: utzoo!attcan!uunet!snorkelwacker!mintaka!chaos.cs.brandeis.edu!topgun
From: topgun@chaos.cs.brandeis.edu (Chandra Bajpai)
Newsgroups: comp.sys.mac.hardware
Subject: Re: Apple Announces High Performance Products
Message-ID: <1990Mar20.161729.9549@chaos.cs.brandeis.edu>
Date: 20 Mar 90 16:17:29 GMT
References: <39637@apple.Apple.COM>
Organization: Brandeis University Computer Science Dept
Lines: 17

In article <39637@apple.Apple.COM> mjohnson@Apple.COM (Mark B. Johnson) writes:

>- A faster processor/memory subsystem:  The Macintosh IIfx incorporates a 40
>MHz 68030 processor/68882 coprocessor combination, a built-in, 32K Static RAM
>Cache and a new design called "latched writes";
 
>- An intelligent input/output subsystem:  The new system employs dedicated
>input/output processors and a Small Computer System Interface/Direct Memory
>Access Controller;

Can anybody elaborate on the latched write design and I/O processors
(design and how it actually speeds up the system)?

Thanks,

Chandra Bajpai
topgun@brandeis.cs.edu