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Article #6103

Re: Identifying an iAPX series processo

#6103
From: Kerro Panille
Date: Mon, 31 Mar 1986 15:39
26 lines
2045 bytes
>     One way in which you could tell the difference between an 8088
>and an 8086 (and probably between an 80188 and an 80186, but I've never
>seen any documentation for either chip) is to take advantage of the
>instruction prefetch queue.  The 8088 has a five byte prefetch que,
					     ^^^^^^^^^
>the 8086 an 8 byte prefetch queue.  So if you wrote a self modifying
	     ^^^^^^
>program that did something like replace a set carry flag instruction
>six bytes ahead with a clear carry flag instruction, you could then
>do a branch on carry to appropriate routines for each processor.
>
>Mark Nelson

I belive those are 4 bytes and 6 bytes, if I'm not mistaken. I don't have my
PC Tech Journal handy.
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From: vch@rruxd.UUCP (Kerro Panille)
Newsgroups: net.micro.pc
Subject: Re: Identifying an iAPX series processo
Message-ID: <137@rruxd.UUCP>
Date: Mon, 31-Mar-86 10:39:25 EST
Article-I.D.: rruxd.137
Posted: Mon Mar 31 10:39:25 1986
Date-Received: Wed, 2-Apr-86 01:29:45 EST
References: <7901@watrose.UUCP> <53500027@trsvax> <290@cernvax.UUCP>
Organization: Colony, Pandora
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