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80386 CPU
The PEM-2530 uses an Intel Corporation 80386-25 microprocessor
running at 25MHz. The 80386 has a number of features enabling a
substantial leap in processing power and capability over the 80286-
standard microprocessor used in AT-type microcomputers. Aside from
being able to execute 80286 programs more quickly, the 80386 is
capable of concurrent processing, hardware-based multitasking, the
creation of 8086 "virtual machines" and superior extended-memory
support.
Virtual machines allow for the creation of discrete, non-interfering
operating environments for application programs. This means that
each application can have its own 640K working environment. With the
appropriate control software, virtual machines may be created within
extended memory.
The PEM-2530 is switchable between 12.5 and 25MHz with either a
hardware or a software switch. The default setting is 25MHz. For
software that fails to operate at 25MHz you may switch to the lower
12.5MHz speed.
Chapter 2: Setting Up Your System
3
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