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From: chrisj@pdx024.intel.com (Chris Jones)
Newsgroups: comp.os.os2.misc
Subject: Re: Virtual Memory Page Size
Message-ID: <1991May18.003930.24393@ichips.intel.com>
Date: 18 May 91 00:39:30 GMT
References: <9645@cognos.UUCP> <1991May17.171113.11939@unixg.ubc.ca> <1991May17.194921.24025@serval.net.wsu.edu>
Sender: news@ichips.intel.com (News Account)
Reply-To: chrisj@ichips.intel.com
Organization: INTEL X86 Focus Group
Lines: 25

In article <1991May17.194921.24025@serval.net.wsu.edu>, wbonner@yoda.eecs.wsu.edu (Wim Bonner) writes:
|> In article <1991May17.171113.11939@unixg.ubc.ca> ballard@ucs.ubc.ca (Alan Ballard) writes:
|> >OS/2 2.0 is a PAGED system. Anyone know what the page size is?
|> 
|> I'm not certain, but doesn't the 386 usually use 4k pages?  I know I just 
|> dealt with a class on the unix operating system, and we dealt with paging 
|> algorithms in the course of the class.  Our machines were ATT 386 boxes, 
|> and I know that we were using 4k pages.
|> 
|> I knew that the page size was hardware dependent, but I never got to thinking
|> if it was hardware dependent in a range of sizes.
|> 

The i386(tm) and i486(tm) have a page length which is hardware defined
to be 4kb.  Segments can range from 1 byte to 1Mb in size if byte granularity
is used, and can be from 4kb (1 page) to 4Gb (1 Mpage?) in size if page
granularity is used.

+----------------------------------+------------------------------------------+
{ Chris S Jones, Intel Corp.       | The opinions expressed above probably do }
{ 5200 NE Elam Young Pkwy, JF1-58  | not reflect the opinions of Intel. If    }
{ Hillsboro, OR 97124              | they actually do reflect the opinions of }
{ chrisj@ichips.intel.com          | Intel, it is purely coincidental, since  }
{ (503) 696-4022                   | Intel would never comment on such matters}
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