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FPU information |
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FPUs (Floating Point Units) are mathematical coprocessors for CPUs
without built-in math units. They have their own socket on the mainboard or are piggy-packed with the CPU
(like the Cyrix Cx487S-40QP in this collection).
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| add/correct FPU info |
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108 FPU chips in collection: |
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| AMD |
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| FPU |
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P80C287-10 |
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| Chips and Technologies |
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| FPU |
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Super Math J38700DX B 33 |
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| Cypress |
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| SPARC FPU |
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SPARC FPU CY7C602-40 |
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| Cyrix |
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| FPU |
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FasMath CX-82S87-NP-SV |
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387DX-33 |
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FasMath CX-83D87-20-GP-XA |
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FasMath CX-83D87-25 GP |
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FasMath CX-83D87-25-GP-KN |
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FasMath CX-83D87-25-GP-XA |
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FasMath CX-83D87-33 GP |
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FasMath CX-83D87-33-GP, black |
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FasMath CX-83D87-33-GP-KN |
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FasMath CX-83D87-40-GP |
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387DX+ |
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FasMath CX-83S87-16-JP |
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FasMath CX-83S87-16-KP |
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FasMath CX-83S87-20-JP |
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FasMath CX-83S87-20-KP |
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FasMath CX-83S87-25-JP |
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FasMath CX-83S87-33-JP |
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Cx487DLC-33GP |
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Cx87DLC-33QP |
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Cx87DLC-40QP |
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Cx487S-33QP |
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Cx487S-40QP |
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| IDT |
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| R3010 FPU |
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79R3010A-12QJ |
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79R3010L-33G |
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| IIT |
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| FPU |
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2C87-8 |
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2C87-10 |
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2C87-12 |
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2C87-20 |
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3C87-20 |
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3C87-25 |
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3C87-33 |
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3C87-33 (Gold) |
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3C87-40 |
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3C87SX-16 |
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3C87SX-20 |
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3C87SX-25 |
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3C87SX-33 |
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XC87SLC-33 |
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XC87DLC-33 |
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4C87DLC-33 |
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4C87DLC-40 |
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X2 487DLX25/50 |
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| Intel |
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| FPU |
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C8087 |
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D8087-1 |
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C8087-2 |
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C8087-3 |
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D80C187-16 |
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C80287-3 |
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D80287-6 |
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D80287-8 |
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C80287-10 |
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D80287-10 |
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D80C287A-12 |
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C80287XL |
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C80287XL (i287 XL logo) |
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A80387-16 |
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A80387-16B |
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A80387-20 |
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A80387DX-20 |
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A80387DX-20 w/ sSpec |
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A80387DX-25 |
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A80387DX-33 |
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A80387DX 16-33 |
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N80387SX-16 |
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N80387SX-20 |
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N80387SX (16-25MHZ) |
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N80387SX-33 |
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N80387SL |
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A80487SX |
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| Intergraph |
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| Clipper FPU |
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Clipper C4 FPU |
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| Motorola |
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| 6888x FPU |
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6888x FPU XC68881RC12 |
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6888x FPU MC68881RC16A |
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6888x FPU MC68881RC16B |
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6888x FPU MC68881RC20D |
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6888x FPU MC68881RC25B |
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6888x FPU MC68882FN20A |
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6888x FPU MC68882RC33A |
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| NEC |
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| VR3010 FPU |
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D30311R-33 VR3010A-33 |
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D30311R-40 VR3010A-40 |
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| NexGen |
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| FPU |
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Nx587 |
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| Performance Semi |
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| R3010 FPU |
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PR3010A-25PGC |
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PR3010-33PGC |
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| Siemens |
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| R3010 FPU |
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R3010-25-A |
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R3010-25-QF |
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R3010A-25-QF |
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| Texas Instruments |
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| SPARC FPU |
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SPARC FPU TMX390C602AGA |
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| ULSI |
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| FPU |
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Math-Co DX |
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Math-Co SX, 20 MHz |
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Math-Co US83C87, 25 MHz |
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Math-Co US83C87, 25 MHz, variant |
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Math-Co US83C87, 25 MHz, USA |
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Math-Co US83C87, 33 MHz |
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Math-Co DX, 33 MHz |
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Math-Co DX, 40 MHz |
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Math-Co DX, 40 MHz, USA |
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Math-Co DX, 40 MHz, variant |
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US83C87 DX/DLC, 40 MHz |
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US83C87 DX/DLC, 40 MHz, variant |
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US83C87-C DX/DLC, 40 MHz |
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| Weitek |
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| 386 FPU |
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386 FPU Abacus 3167, 20 MHz |
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386 FPU Abacus 3167, 25 MHz |
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386 FPU Abacus 3167, 33 MHz |
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| SPARC FPU |
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SPARC FPU 3170 020-GCD |
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SPARC FPU 3170 025-GCD |
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SPARC FPU 3172A 025-GCD |
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