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- Path: sparky!uunet!cs.utexas.edu!sun-barr!west.West.Sun.COM!news2me.ebay.sun.com!exodus.Eng.Sun.COM!nonsequitur!narad
- From: narad@nonsequitur.Eng.Sun.COM (Chuck Narad)
- Newsgroups: comp.arch
- Subject: Re: CISC Microcode (was Re: RISC Mainframe)
- Date: 28 Jul 1992 20:05:28 GMT
- Organization: Sun Microsystems
- Lines: 19
- Distribution: world
- Message-ID: <l7ba48INN1pk@exodus.Eng.Sun.COM>
- References: <GLEW.92Jul23183353@pdx007.intel.com>
- Reply-To: narad@nonsequitur.Eng.Sun.COM
- NNTP-Posting-Host: nonsequitur
-
-
- In article 92Jul23183353@pdx007.intel.com, glew@pdx007.intel.com (Andy Glew) writes:
- >
- >Now, admittedly, in the PC world I have been surprised by how common
- >cache coherent I/O is. How about other worlds? Which is more common,
- >cache coherent or cache incoherent I/O? I believe John Mashey already
- >noted that on the R3000 I/O was non-coherent, but on the R4000 I/O is
- >coherent.
- >
-
- Sun has had coherent I/O on many systems; this includes the 4/3x0 family, the 4/4x0
- family, the SS600MP family, and the SS-10.
-
- chuck/
- disclaimer: speaking for myself, not for my employer
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