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From: friedman@aramis.rutgers.edu (Gadi )
Newsgroups: comp.sys.apple
Subject: Re: AppleFest 1987
Message-ID: <2050@aramis.rutgers.edu>
Date: Mon, 26-Oct-87 20:50:12 EST
Article-I.D.: aramis.2050
Posted: Mon Oct 26 20:50:12 1987
Date-Received: Thu, 29-Oct-87 06:38:45 EST
References: <953@percival.UUCP> <31973@sun.uucp>
Distribution: na
Organization: Rutgers Univ., New Brunswick, N.J.
Lines: 21
To: fiddler%concertina@Sun.COM


In article <31973@sun.uucp> fiddler%concertina@Sun.COM (Steve Hix) writes:

> > The Zip Chip by Zip Technolgies is a pin compatable chip that replaces the
> > 65c02 in your IIe or IIc. Once installed your machine will run at a full 
> > 4 meghertz speed.
> Do they also change the system clock rate?  How do they keep from

I read about this chip in the lates Nibble magazine.  (There is even
a large ad by Zip Technologies.)   From what I remember, this chip
contains an on-chip cache, and clock.  Internally, the chip runs at
4 mhz, but it does all it's memory access at 1mhz.  Otherwise, you
would have to replace all the motherboard logic to cope with the
higher clockrate.


                            Gadi
-- 

                                        Gadi
uucp:   {ames, cbosgd, harvard, moss}!rutgers!aramis.rutgers.edu!friedman
arpa:   FRIEDMAN@ARAMIS.RUTGERS.EDU