Describe the Pentium Classic (P54C)?
Answer:
This chip was developed by Intel in Haifa, Israel. The processor is super scalar, meaning that it
can execute more than one instruction per clock tick. Typically, it handles two instructions per
tick. In this respect, we can compare it to a double 486. At the same time there have been big
changes in the system bus: the width is doubled to 64 bit and the speed is increased to 60 or
66 MHZ. This results in a substantial improvement from the 486 technology.
can execute more than one instruction per clock tick. Typically, it handles two instructions per
tick. In this respect, we can compare it to a double 486. At the same time there have been big
changes in the system bus: the width is doubled to 64 bit and the speed is increased to 60 or
66 MHZ. This results in a substantial improvement from the 486 technology.
Originally, Pentium came in two versions: a 60 MHZ and a 66 MHZ. Both operated on 5 Volt.
This produced a lot of heat (it was said that you could fry an egg on them!) The next Pentium
(P54C) generation had a built in 1½ clock doubling, and ran at 3½ Volt. This took care of the
heat problem.
Since then, Intel carried two Pentium lines: those which run at 60 MHZ on the system bus (P90,
P120, P150, and P180) and the best, which run at 66 MHZ (P100, P133, P166 and P200).
This produced a lot of heat (it was said that you could fry an egg on them!) The next Pentium
(P54C) generation had a built in 1½ clock doubling, and ran at 3½ Volt. This took care of the
heat problem.
Since then, Intel carried two Pentium lines: those which run at 60 MHZ on the system bus (P90,
P120, P150, and P180) and the best, which run at 66 MHZ (P100, P133, P166 and P200).
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