[rescue] systems with user modifiable microcode.

[Dave McGuire]

On Thursday, October 3, 2002, at 08:27 AM, Lionel Peterson wrote:
> The early IBM PC/370 cards (Mainframe in your desktop) used
> 68000-family CPUs with modified instructon sets (I assume this was done
> at fabrication time - 68000 core with enhancements.

   It was done at fab time.

> The IBM AS/400 has a robust microcode that allows you to have one
> hardware platform "switch" between AS/400 instruction set set *or* a
> "Super System/38" instruction set.

   Oh wow...I didn't know that.  That's *neat*.

     -Dave

--
Dave McGuire          "PC users only know two 'solutions'...
St. Petersburg, FL       reboot and upgrade."    -Jonathan Patschke