Pentium 2
Posted by Harisinh | Posted in | Posted on 4:45 AM
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This CPU had remarkable performance. The challenge Intel faced was the cost of production creating the Pro chip. The built-in L2 cache had a high failure rate at Intel fabrication plants. They came up with the Pentium II (P2). Intel began by separating the processor, and cache of the Pentium Pro, mounting them together on the circuit board with a big heat sink.
Then by dropping the whole assembly onto the system board, using a Single Edge Contact (SEC) with 242 pins in the slot, and adding the 57 MMX (Multimedia extension) micro-code instructions, then Intel had the Pentium II. This way, defective cache modules don't force throwing out of a perfectly good CPU, because of a bad cache. And to further improve cache yields, the Pentium II ran cache at half the speed of the CPU.
Pentium II uses the Dynamic Execution Technology, which consists of three different facilities; Multiple branch prediction predicts program execution through several branches, accelerating the flow of work to the processor, Dataflow Analysis creates an optimized, reordered schedule f instructions by analyzing data dependencies between instructions and Speculative Execution carries out instructions speculatively thereby ensures that the multiple execution unit remains busy, boosting overall performance.
Pentium II includes data integrity and reliability features such as Error Correction Code (ECC), Fault Analysis, Recovery and Functional Redundancy Checking for both system and L2 cache buses. The pipelined Floating-Point Unit (FPU) supports the 32-bit and 64-bit formats specified in IEEE standard 754, as well as an 80-bit format. Parityprotected address/request and response system bus signals with a retry mechanism for high data integrity and reliability. An on-die diode monitors the die temperature.
A thermal sensor located on the motherboard can monitor the die temperature of the Pentium II processor for thermal management purposes. This microprocessor could work at clock rates of 300MHz and is made up of 7.5 million transistors.
Pentium 2 Microprocessor.
This CPU had remarkable performance. The challenge Intel faced was the cost of production creating the Pro chip. The built-in L2 cache had a high failure rate at Intel fabrication plants. They came up with the Pentium II (P2). Intel began by separating the processor, and cache of the Pentium Pro, mounting them together on the circuit board with a big heat sink.
Then by dropping the whole assembly onto the system board, using a Single Edge Contact (SEC) with 242 pins in the slot, and adding the 57 MMX (Multimedia extension) micro-code instructions, then Intel had the Pentium II. This way, defective cache modules don't force throwing out of a perfectly good CPU, because of a bad cache. And to further improve cache yields, the Pentium II ran cache at half the speed of the CPU.
Pentium II uses the Dynamic Execution Technology, which consists of three different facilities; Multiple branch prediction predicts program execution through several branches, accelerating the flow of work to the processor, Dataflow Analysis creates an optimized, reordered schedule f instructions by analyzing data dependencies between instructions and Speculative Execution carries out instructions speculatively thereby ensures that the multiple execution unit remains busy, boosting overall performance.
Pentium II includes data integrity and reliability features such as Error Correction Code (ECC), Fault Analysis, Recovery and Functional Redundancy Checking for both system and L2 cache buses. The pipelined Floating-Point Unit (FPU) supports the 32-bit and 64-bit formats specified in IEEE standard 754, as well as an 80-bit format. Parityprotected address/request and response system bus signals with a retry mechanism for high data integrity and reliability. An on-die diode monitors the die temperature.
A thermal sensor located on the motherboard can monitor the die temperature of the Pentium II processor for thermal management purposes. This microprocessor could work at clock rates of 300MHz and is made up of 7.5 million transistors.
Pentium 2 Microprocessor.
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