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- Newsgroups: comp.sys.ibm.pc.hardware
- Path: sparky!uunet!mcsun!fuug!funic!nntp.hut.fi!vipunen.hut.fi!jtyrkko
- From: jtyrkko@vipunen.hut.fi (Juha-Petri Tyrkk|)
- Subject: Re: Adress of the memory
- Message-ID: <1992Jul23.115227.3792@nntp.hut.fi>
- Sender: Juha-Petri Tyrkko
- Nntp-Posting-Host: vipunen.hut.fi
- Reply-To: jtyrkko@vipunen.hut.fi (Juha-Petri Tyrkk|)
- Organization: Helsinki University of Technology
- References: <1992Jul22.071112.3652@swanee.ee.uwa.oz.au>
- Date: Thu, 23 Jul 1992 11:52:27 GMT
- Lines: 16
-
- In article <1992Jul22.071112.3652@swanee.ee.uwa.oz.au> Zhang Ya Xin writes:
-
- > We have a TANG IBM/PC 386 which has 4M of memory. <...> My question
- > is how can I access the memory beyond 1M? In other words, is there an
- > adress of the memory beyond 1M in the PC?
-
- Addressing beyond the 1 M limit can obviously be done only in the
- protected mode of the processor (80286 or higher). But as I do not know
- exactly how the protected mode works, could somebody please tell what
- is happening inside and outside of the processor during a protected mode
- memory access.
-
- Juha-Petri Tyrkko
-
- jtyrkko@vipunen.hut.fi
-
-