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Cyrix Math CPUs

Discuss about these CPUs in the forum.


Cyrix Cx-82S87-NP-SV '90

Picture of Cyrix Cx-82S87-NP-SV '90 - front side Picture of Cyrix Cx-82S87-NP-SV '90 - back side
  • FPU: yes
  • Introduction:
      1990
  • Mfg. date:
      week 5/1990


Cyrix Cx-83D87-25-GP

Picture of Cyrix Cx-83D87-25-GP - front side Picture of Cyrix Cx-83D87-25-GP - back side
  • Processor Speed:
    25.00 MHz
  • Bus Speed:
    25.00 MHz
  • FPU: yes
  • Mfg. date:
      week 43/1991


Cyrix 387DX-33

Picture of Cyrix 387DX-33 - front side Picture of Cyrix 387DX-33 - back side
  • Processor Speed:
    33.00 MHz
  • Bus Speed:
    33.00 MHz
  • FPU: yes
  • Mfg. date:
      week 10/1992


Cyrix Cx-83D87-33-GP bright

Picture of Cyrix Cx-83D87-33-GP bright - front side Picture of Cyrix Cx-83D87-33-GP bright - back side
  • Processor Speed:
    33.00 MHz
  • Bus Speed:
    33.00 MHz
  • FPU: yes
  • Introduction:
      1990
  • Mfg. date:
      week 5/1990


Cyrix Cx-83D87-33-GP dark

Picture of Cyrix Cx-83D87-33-GP dark - front side Picture of Cyrix Cx-83D87-33-GP dark - back side
  • Processor Speed:
    33.00 MHz
  • Bus Speed:
    33.00 MHz
  • FPU: yes
  • Introduction:
      1990
  • Mfg. date:
      week 10/1994


Cyrix Cx87DLC-V33QP

Picture of Cyrix Cx87DLC-V33QP - front side Picture of Cyrix Cx87DLC-V33QP - back side
  • Processor Speed:
    33.00 MHz
  • Bus Speed:
    33.00 MHz
  • FPU: yes
  • Mfg. date:
      week 2/1993
Follow this link for an introductory comment on this chip:
  -> http://cpu-museum.de/forum/viewtopic.php?p=184#184


Cyrix Cx-83D87-40-GP dark

Picture of Cyrix Cx-83D87-40-GP dark - front side Picture of Cyrix Cx-83D87-40-GP dark - back side
  • Processor Speed:
    40.00 MHz
  • Bus Speed:
    40.00 MHz
  • FPU: yes
  • Introduction:
      1991
  • Mfg. date:
      week 28/1993


Cyrix Cx487S-40QP in-socket 40MHz

Picture of Cyrix Cx487S-40QP in-socket 40MHz - front side Picture of Cyrix Cx487S-40QP in-socket 40MHz - back side
  • Processor Speed:
    40.00 MHz
  • Bus Speed:
    40.00 MHz
  • FPU: yes
  • Mfg. date:
      week 40/1993


Cyrix FasMath Cx83D87-40GP QFP

Picture of Cyrix FasMath Cx83D87-40GP QFP - front side Picture of Cyrix FasMath Cx83D87-40GP QFP - back side
  • Processor Speed:
    40.00 MHz
  • Bus Speed:
    40.00 MHz
  • FPU: yes
  • Mfg. date:
      week 45/1993
Follow this link for an introductory comment on this chip:
  -> http://cpu-museum.de/forum/viewtopic.php?p=184#184