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iit Math CPUs

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iit 2C87-12

Picture of iit 2C87-12 - front side Picture of iit 2C87-12 - back side
  • Processor Speed:
    12.00 MHz
  • Bus Speed:
    12.00 MHz
  • FPU: yes
  • Mfg. date:
      week 12/1991


This CPU was a donation by Andreas Hecke. Thank you very much.


iit 3C87SX-33

Picture of iit 3C87SX-33 - front side Picture of iit 3C87SX-33 - back side
  • Processor Speed:
    33.00 MHz
  • Bus Speed:
    33.00 MHz
  • FPU: yes
  • Mfg. date:
      week 24/1993


iit 4C87DLC-33

Picture of iit 4C87DLC-33 - front side Picture of iit 4C87DLC-33 - back side
  • Processor Speed:
    33.00 MHz
  • Bus Speed:
    33.00 MHz
  • FPU: yes
  • Mfg. date:
      week 20/1993


iit 3C87-40

Picture of iit 3C87-40 - front side Picture of iit 3C87-40 - back side
  • Processor Speed:
    40.00 MHz
  • Bus Speed:
    40.00 MHz
  • FPU: yes
  • Mfg. date:
      week 24/1994
Follow this link for an introductory comment on this chip:
  -> http://cpu-museum.de/forum/viewtopic.php?p=6#6


iit 4C87DLC-40

Picture of iit 4C87DLC-40 - front side Picture of iit 4C87DLC-40 - back side
  • Processor Speed:
    40.00 MHz
  • Bus Speed:
    40.00 MHz
  • FPU: yes
  • Mfg. date:
      week 37/1994