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CPU CONCEPTS OF INTEREST |
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| CONCEPT | EXPLANATION | DIAGRAMS |
| FRONTSIDE BUS |
With the advent of the Pentium Pro, terminology changed a bit. From here on out, the address bus and external data bus between the CPU, MCC, and RAM is called the frontside bus |
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| BACKSIDE BUS |
With the advent of the Pentium Pro, terminology changed a bit. From here on out the connection between the CPU and the L2 cache is called the backside bus. |
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| CACHE MEMORY |
Frequently accessed memory Level 1 Cache: Contained within the processor, very fast, very small amount of memory caches frequently accessed data from Level 2 Cache Level 2 Cache: Secondary Cache (at one time located separately from the processor, Nowadays within the processor) fast, medium sized amount of memory caches frequently accessed data from RAM RAM: Typically the largest amount of memory available to your system, Caches information frequently used by your HDD HDD: Stores information for you, when used by applications like Internet explorer it too can have CACHE files with store frequently accessed information from the Internet websites you visi
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CPU PACKAGING REFERENCE CHART |
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| PACKAGE | PICTURE |
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DIPP (Dual Inline Pin Package) 8088
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PGA (Pin Grid Array) OBSOLETE 80286
Pentium 60
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SPGA (Staggered Pin Grid Array) Pentium
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PPGA (Plastic Pin Grid Array) Redesign of the Staggered Pin Grid array, Advancements in CPU technology enabled manufacturers to redesign these processors using High-Thermal Plastics (Next generation of SPGA) Pentium |
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FCPGA (Flip Chip Pin Grid Array) Outside looks like a PPGA Some internal Technical improvements regarding the wiring of the cpu
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PQFP (Plastic Quad Flat Pack) CQFP OBSOLETE 80286 |
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PLCC (Plastic
Leaderless Chip Cartridge) OBSOLETE 80286
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SECC (Single Edge
contact Cartridge INTEL SLOT 1 OBSOLETE Athlon Celeron SEPP
(No encasing) |
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CPU SLOT/SOCKET REFERENCE CHART |
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| PACKAGE | AMD | INTEL | SOCKET/SLOT |
| SOCKET 1 | AM486DX-4, Am5x86 |
486SX/SX2, DX, DX2, DX4 Overdrive Processor
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| SOCKET 2 | AM486DX-4, Am5x86 |
486SX/SX2, DX, DX2, DX4 Pentium Overdrive Processor
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| SOCKET 3 | AM486DX-4, Am5x86 |
486SX/SX2, DX, DX2, DX4 Pentium Overdrive Processor
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| SOCKET 4 |
Pentium 60-66Mhz, Pentium Overdrive 120-133MHz
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| SOCKET 5 | K5 |
Pentium 75-133MHz, Pentium Overdrive 125-166, Pentium Overdrive MMX 125-180 MHz, Pentium MMX 166-200 MHz |
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| SOCKET 6 | 486DX4 75-120 MHz |
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| SOCKET 7 |
Pentium 75-200MHz, Pentium Overdrive 125-166 MHz, Pentium Overdrive MMX 125-200MHz, Pentium MMX 166- 233MHz
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| SOCKET 8 |
Pentium Pro 150-200MHz, Pentium II Overdrive 300-333MHz |
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| SLOT 1 |
Celeron, Pentium II 233- 450MHz Pentium III 450 MHz-(and up). |
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