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Article #7227

Re: 8088 vs 8086

#7227
From: sorrow
Date: Fri, 21 Jun 1991 18:35
29 lines
2130 bytes
Well, here is the Intel family as far as I can discern:

Intel 8086: 16-bit processing, 16-bit data path
Intel 8088: Developed based on 8086.  16-bit data path was considered too
            expensive, thus we have a 16/8-bit system.
Intel 80188: Sames as 8088, but a bit faster since some offboard components
             were moved onto the chip itself (don't know which).
Intel 80186: 8086 equivalent of 80188
Intel 80286: 16/16 processor, however supported up to 16MB of addressable
             RAM and had a protected mode.
Intel 80386: 32/32 processor, however early implementations restricted the
             32-bit protected mode due to some bugs.  32-bit data path not
             supported on ISA bus machines.  Supports up to 4GB of RAM and
             has a built in ability to emulate virtual 8086 machines (why
             the 8086, I don't know -- possible because it is a closer 
             analogy to the 80386 than the 8088).
Intel 80386SX: 32/16 processor.  Considered a compromise on price and
               performance.
Intel 80486: 32/32 (I think) with on board FPU and 8k cache.
Intel 80486SX: 32/32 (Again, I think) with on board FPU disabled.

/*
Brian Hook -- MS-DOS Programmer for Contract
-----------------------------------------------------------------
"Seamus, that's my dog...I saw her today at the reception...sorry, sixTEEN
inches....better save the women and children first...but this one goes to 11!
..anymore of that plutonium nyborg?....there can be only ONE!....like a 
finger pointing to the moon....ease the seat back...one day closer to death
*/
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From: sorrow@oak.circa.ufl.edu
Newsgroups: comp.os.msdos.programmer
Subject: Re: 8088 vs 8086
Message-ID: <0094A75D.9E49A240@MAPLE.CIRCA.UFL.EDU>
Date: 21 Jun 91 18:35:08 GMT
References: <1991Jun21.030948.10951@cs.mcgill.ca>
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