*** Peter Magnusson wrote in a message to Scott McNay:
 PM> 8086 isn't a PC processor ;-)
 SM> Sure it is.  It just wasn't seen all that often.
PM> It isn't a IBM-PC processor, that was what I meant.
PM> Never been sold in IBM-PCs.
PM> Don't think its opcodes are compatible with other 80x86es.
It's 100% compatible with the 8088; the hardware difference is that the bus 
size is 16 bits on the 8086 and 8 bits on the 8088.  The AT&T 6300 used the 
8086, if I recall correctly.  The AT&T 6300 wasn't terribly compatible, but 
that's because AT&T made them that was; has absolutely nothing to do with the 
CPU.  Of the 2 software differences that I know of, both are sufficiently 
subtle that you need special software to detect them.
PM> The IBM-PC compatible processors from Intel are
PM> 8088, 80286, 80386, 80486, P5, P5MMX, P6PRO, PII.
PM> Now those are those that have been used in IBM-PCs.
If I were you, I would NOT state categorically that IBM has never used an 
8086 in a computer, without actually checking all of the specs on the 
PC-compatible computers that IBM has produced; I once saw a PS/2 that had 
either an 8088 or 8086; I don't recall which.  Anyway, the part that 
surprised me what that IBM made PS/2's that used an 808x CPU.
Hmm, might have been a PS/1, but I doubt it.
--Scott.
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