Author: Jeremiah Penery
Date: 14:10:37 07/04/03
Go up one level in this thread
On July 04, 2003 at 15:33:47, Tom Kerrigan wrote: >On July 04, 2003 at 04:53:56, Bo Persson wrote: > >>On July 03, 2003 at 20:25:18, Tom Kerrigan wrote: >> >>>On July 03, 2003 at 19:18:36, Robert Hyatt wrote: >>> >> >>>>>>Sorry, but the X86 _started_ as an 8-bit cpu capable of doing 16 bit math. >>>>>>It grew to 16 bits in the 80286 and 32 bits in the 80386. But it was >>>>>>originally an 8 bit ISA. >>>>> >>>>>Wrong, the 8086 (the first x86) is a 16-bit processor. The 8088 used in the >>>>>original PC was a variant of the 8086 with an 8-bit data bus, maybe that's why >>>>>you're confused. >>>> >>>>The _first_ was the 8080 and it was _not_ a 16 bit cpu. The 8086 was the >>> >>>Uhhhhhhhhhhh, Bob? Does it make a lot of sense to call the 8080 an "x86"? Hint: >>>there's a reason why the 8086, 80186, 80286, 80386, and 80486 are called "x86"s. >>>Can you think of what that reason is? >> >>Seems like their names ends in "86"? How about Pentium? > >I suppose if you wanted to get really pedantic, you wouldn't call a Pentium an >x86. Maybe that's why Intel has been trying to rename it to "IA32." Whatever >your take on the Pentium, I don't see how you can make "x86" retroactive to >apply to the 8080. The original Pentium was, indeed, a true 'x86' processor. Namely, 80586. I believe the Pentium Pro was supposed to be the 686, though I'm not totally sure, but Intel seems to have abandoned the continuation of x86 numbers.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.