On 9/5/07, Chris M <chrism3667 at yahoo.com> wrote:
I had been wondering if there were
boards for a pc that supplemented the operation of the
onboard mpu by providing another processor
altoghether, and in no way replacing the old 8088,
thereby in effect giving you 2 pc's in one. Of course
there were z80 boards, 68k? boards that accomplished
this.
There were the HP Viper 82300 and Hyper-Viper 82324 68K based boards
for running Rocky Mountain BASIC on a PC.
ftp://ftp.agilent.com/pub/mpusup/pc/old/vp_over.html
(I hope people have archived the above directory for the day when that
info disappears...)