[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Is this true?
Michael Black wrote:
>
> [snip...] [sip...] [sinp...]
>
> The original "IBM PC" used an 8088. Everyone in the line since then
> has been the same basic CPU, but with added instructions and sometimes
> more hardware. After a certain point, the real change is speed; an
> 80486 is pretty much an 80386 with a built in math coprocessor. Some
> of the peripheral hardware has changed; if you want to run a program
> from about twenty years ago that used a Hercules monochrome display,
> there might be problems running that software on a present day computer's
> video system, but the CPU from today could still run the instructions
> in the software, as if the CPU was still that original 8088.
>
Please remember:
"Intel put the 'backward' in 'backward compatible'..." As
pointed out above, this means that all the x86 chips subsequent
to the 8088 are carrying a huge load of garbage along with
them. IMHO.
--
+-------------------------------------------------------------+
| Charles and Francis Richmond <richmond@plano.net> |
+-------------------------------------------------------------+