Speaking of which, I read in a PC repair book that the 486SX is a
486DX with certain lines cut to disable the math coprocessor. The
thing that went into the coprocessor socket was a rebranded 486DX
that took over all functions of the SX when installed. Anyone know
about this?
>>Philip.Belben_at_pgen.com wrote:
>
>>> No thanks to whoever said the 8088 and 8086 were the same thing. If
that's
>>> the case, the Pentium and the 80386 are the same thing :-)
>
>>In general terms, without getting into a lot of super-geek discussion,
the
>8086
>>and 8088 are in the same category in that they are both predominantly
an XT
>>class processor, despite the 8 and 16 bit differences....
>
>Yes, to say that the 8088 and 8086 were the same is incorrect, but they
>_basically_ had the same core and everything... it was just the data
bus
>was 8 bit on the 8088 and 16-bit on the 8086. They were fully
compatible
>program-wise, just that the 8086 was faster as it could push 2x data
over
>the 8088.
>
>Comparing the 80386 and the Pentium wouldn't be fair, tho. Comparing
the
>80386SX (with the 16-bit data bus) and the 80386DX (with the 32-bit
data
>bus) would be a lot better comparison... as again, the chips were fully
>compatible, but the DX's were faster due to the larger data bus.
>
>Just the way I seem to remember it...
>
>Roger "Merch" Merchberger
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Received on Fri Nov 06 1998 - 21:34:42 GMT