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- Path: sparky!uunet!portal!cup.portal.com!drchip
- From: drchip@cup.portal.com (MYRON A LIEBERMAN)
- Newsgroups: comp.sys.intel
- Subject: Re: Simple CPU Questions
- Message-ID: <72263@cup.portal.com>
- Date: Wed, 23 Dec 92 00:51:50 PST
- Organization: The Portal System (TM)
- Distribution: usa
- References: <5095@equinox.unr.edu> <1gqvljINNiel@hpscit.sc.hp.com>
- Lines: 20
-
- >Kevin Brewer (kevinb@unssun.nevada.edu) wrote:
- >: I'll admit it. I use a Mac. But I have a simple(?) question about the
- >: intel x86 CPU's. (If this is a FAQ, please direct me to the proper
- >: place as I don't read this news group.) So here goes...
- >:
- >: My brother-in-law just bought a 486SX machine. What is the difference
- >: between the 486SX and the _normal_ 486 chip? FPU? 16 v. 32 bits? ???
- >: Is there a _normal_ (full powered?) 486 chip? The 486DX?
- >:
- >: Thanks - Kevin
- >:
- >:
- >:
- >Kevin, read the thread on the question above this one regarding
- >386SX bus widths.
- >
- That won't answer his question. The 486SX is a 486 without a built-in
- coprocessor but otherwise the same as the 486 (original) or 486DX. The
- 386SX has reduced address bus (24 bit) and data bus (16 bit). There is
- no coprocessor issue with the 386 since no 386 has a built-in coprocessor.
-