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- Newsgroups: comp.os.os2.misc
- Path: sparky!uunet!europa.asd.contel.com!darwin.sura.net!mips!odin!fido!lunch.wpd.sgi.com!pdc
- From: pdc@lunch.wpd.sgi.com (Paul Close)
- Subject: Re: Impressions of Windows NT
- Message-ID: <nsgmlc4@fido.asd.sgi.com>
- Originator: pdc@lunch.wpd.sgi.com
- Sender: news@fido.asd.sgi.com (Usenet News Admin)
- Reply-To: pdc@sgi.com (Paul Close)
- Organization: Silicon Graphics, Inc., Mountain View, CA
- References: <1992Jul28.173510.18952@leland.Stanford.EDU> <kDZmoB2w165w@comtch.spk.wa.us>
- Date: Tue, 28 Jul 1992 21:42:01 GMT
- Lines: 34
-
- Matthew Staben (mstaben@comtch.spk.wa.us) writes:
- >dhinds@leland.Stanford.EDU (David Hinds) writes:
- >> In article <9207281653.AA18391@enet-gw.pa.dec.com> reisert@mast.enet.dec.com
- >> >
- >> >>Further, since NT is 32-bit, users won't be able to address all of their
- >> >>memory (physical + disk swap, the R4000 is a 64 bit chip because 32-bits
- >> >>isn't enough address space).
- >> >
- >> >Wrong. The R4000 is a 32-bit chip. NT is 32 bits now, and has hooks
- >> >for 64-bit support.
- >>
- >> Actually, the R4000 is a 64-bit chip.
- >
- >So? Who's right?
-
- They both are! (Although the spirit of claiming the R4000 is a 32-bit chip
- is misleading at best). From the NEC "VR4000 Microprocessor User's Manual",
- page 1-5:
-
- 1.2 64-bit Architecture
- The MIPS R4000 family consists of high-performance 32-bit and 64-bit
- microprocessors. The R4000's natural mode of operation is as a
- 64-bit microprocessor. It can, however, be programmed to operate as
- a 32-bit processor.
-
- The R4000 provides a 64-bit on-chip floating point unit (FPU),
- 64-bit integers, registers, and a 64-bit virtual address space
- architecture. Application compatibility with 32-bit applications is
- maintained when the processor operates as a 64-bit processor.
- --
- Paul Close pdc@sgi.com ...!{ames, decwrl, uunet}!sgi!pdc
-
- "I came to Casablanca for the waters...."
- -- 'Rick', Casablanca, 1942 (50th anniversary!)
-