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REFERENCE
GENERAL THEORY OF OPERATION
Host System and the PCturbo 286e
The PCturbo 286e converts your host computer
into a true dual-processor system. They work
together to speed up your applications. The
Turbo's processor runs DOS and your
applications in the Turbo's high-speed memory
while the host processor performs aU
system I/O--keyboard, disk, peripherals.
Called coprocessing, this efficient operation
is one reason for the unequaled speed of the
PCturb0286e. This unique design gives you
the highest throughput of all accelerators
available.
The PCturbo 286e can access all of the host's
peripherals and block devices, such as RAM
disks, floppy disks, and hard disks. The
host's memory can be used for RAM disks,
caching, and printer spooling. This leaves
the Turbo's memory free for the programs it
is running.
DOS
The host and the Turbo each run their own DOS.
This doesn't mean that the Turbo requires a
special DOS--it boots from the same disk
you currently use.
It
simply means that there
are two systems, each running DOS. You can
even run programs on the host or the Turbo;
with special Parallel Processing software, you
can run programs on the host and the Turbo
simultaneously.
5-1
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