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Processor Types
Intel and X86 vs Motorola, Digital, … |
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Capabilities Vary with Microprocessor and
Chipset |
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Chipset are support chips on the Motherboard |
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Buses, paths for data affect the I/O speed. |
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Early chips had Math Coprocessor for math
processing. |
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Introduced June 1979 |
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8088 needed 8087 Math Coprocessor |
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1 Meg memory max |
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16 bit int. reg., 8 bit data I/O, 20 bit memory |
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8086 8087
16/16 Bit Processor |
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Also Made a few V20 Chips |
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All 5 volts |
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Introduced Feb 1982 |
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286 and Real and Protected Mode, increased
speed,..... |
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True 16 bit processing and bus |
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16 Meg RAM max |
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All 5 volts |
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386 DX True 32 bit Introduced Oct 1985 |
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(internal registers, data and external data
buses ) |
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275,000 transistors in a VLSI circuit.. |
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Addresses 4 G of physical memory. |
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3 modes, Real, protected, and virtual. |
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SX's for economy June 88 |
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32 bit internal register, data 16 bit |
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16 Meg memory maximum. |
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486DX April 1989 includes math co-processor |
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Moved cache controller and cache memory into the
chip |
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8K internal cache. |
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32bit internal register, external data bus, and
address bus. |
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Same dimensions as 386DX, |
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But 1.2 million transistors size of your
thumbnail. |
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Can address 4Gig RAM and manage 64T, like the
386DX. |
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Pentium 60 March 93, to 4 Gig RAM |
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Pentium-MMX Built in FPU Jan 97 |
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Pentium Pro Built in FPU Nov 95 64Gig |
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Pentium II Built in FPU 64 Gig |
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Pentium III Built in FPU |
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Pentium IV |
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Single Edge Contact |
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S.EC. Cartridge Design |
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Includes dedicated 512KB L2 cache |
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Includes 32 KB of L1 cache |
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2X that of P.Pro |
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Error Correction Code Available |
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Uses the SECC2 (Single Edge Cartridge Contact 2)
package style |
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Improves heat conduction from the processor core |
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Allowing it to remain cool |
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And achieve consistently stable operation. |
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Other Manufacturers |
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AMD |
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CYRIX |
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IBM |
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AMD’s Chips |
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AMD K6 |
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.. Pentium MMX Equivalent |
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AMD Athlon...200MHZ Bus |
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Faster than a Pentium! They also make the Celeron for laptops. |
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Notes
