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CVAX information


A CVAX system card with the CVAX CPU on the right, the CFPA floating-point unit on the left, and the CVAX clock chip above the CFPA.

The CVAX is a microprocessor chipset developed and fabricated by Digital Equipment Corporation (DEC) that implemented the VAX instruction set architecture (ISA). The chipset consisted of the CVAX 78034 CPU, CFPA floating-point accelerator, CVAX clock chip, and the associated support chips, the CVAX System Support Chip (CSSC), CVAX Memory Controller (CMCTL), and CVAX Q-Bus Interface Chip (CQBIC).

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CVAX

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the CVAX 78034 CPU, CFPA floating-point accelerator, CVAX clock chip, and the associated support chips, the CVAX System Support Chip (CSSC), CVAX Memory...

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VAX

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VAX processors followed in the form of the V-11, CVAX, CVAX SOC ("System On Chip", a single-chip CVAX), Rigel, Mariah and NVAX implementations. The VAX...

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MicroVAX

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MicroVAX 3100 Model 10 Teammate II KA41-A, CVAX, 11.11 MHz (90 ns) MicroVAX 3100 Model 10e Teammate II KA41-D, CVAX+, 16.67 MHz (60 ns) 32 MB of memory maximum...

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VAXstation

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(60 ns) CVAX+ microprocessor with a 64KB external cache. Code named "PVAX", it used the KA42-A CPU module containing an 11.12 MHz (90 ns) CVAX microprocessor...

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DEC Firefly

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floating-point coprocessor, but later Firefly systems used the faster CVAX 78034 microprocessors, CVAX Floating Point Chips (floating-point coprocessors). The processor...

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List of microprocessors

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microECLIPSE VEGA Microprocessors DEC T-11 DEC J-11 DEC V-11 MicroVAX 78032 CVAX Rigel Mariah NVAX Alpha 21064 Alpha 21164 Alpha 21264 Alpha 21364 StrongARM...

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Microprocessor chronology

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16 MHz 16/32 1.5 μm 375,000 1987 80C186 Intel 10 MHz 16 - 56,000 (CMOS) 1987 CVAX 78034 DEC 12.5 MHz 32 2.0 μm 134,000 1987 ARM2 Acorn 8 MHz 32 2 μm 25,000...

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VAX 6000

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"Calypso" Introduced on 19 April 1988 One to four 12.5 MHz (80 ns cycle time) CVAX chip set(s), each with an external 256 KB of secondary cache built from 160...

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History of computer hardware in Eastern Bloc countries

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University. Steal The Best, a micrograph of a Digital Equipment Corporation CVAX microprocessor used in the MicroVAX and VAX 6200 systems. It contains "VAX...

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DEC Alpha

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modifications. This became the "EVAX" concept, a follow-on to the successful CMOS CVAX implementation. When management accepted the findings, they decided to give...

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VAX 9000

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with the image of the LSI-11 CPU in the User Manual. Which emerged as the CVAX. DEC codenames of the time referenced Greek deities and heroes, or were reminiscent...

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VAXft

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It used the KA520 CPU module containing a 16.67 MHz (60 ns cycle time) CVAX+ chip set with 32 KB of external secondary cache. The system contained two...

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