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- Newsgroups: comp.sys.intel
- Path: sparky!uunet!munnari.oz.au!uniwa!cujo!cc.curtin.edu.au!smackinla
- From: smackinla@cc.curtin.edu.au (Pat Mackinlay)
- Subject: 386SX has a 24 bit address bus
- Message-ID: <1992Nov10.191937.1@cc.curtin.edu.au>
- Lines: 13
- Sender: news@cujo.curtin.edu.au (News Manager)
- Organization: Curtin University of Technology
- References: <35090004@hpcuhe.cup.hp.com> <1992Nov6.065623.25558@klaava.Helsinki.FI>
- Date: Tue, 10 Nov 1992 10:19:37 GMT
-
-
- >> ever is built). I.E. while both 386's were 32-bit chips, the SX had a 16-bit
- >> external data path (but still a 32-bit address path). I imagine the P24T
- >
- > Does the SX really have a 32-bit address bus? I thought it was
- > only 24 bits. Just 16 MB of memory like on the '286.
-
- You are quite correct. The 386SX parts have a 24 bit address bus. Like the
- data bus, it is 32 bit internally, but only 24 bits are brought out. This is
- the processor that most closely matches the MC68000 <grin> although it was
- brought out years later.
-
- Pat -- Have a day!
-