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The Fluke 1722A instrument controller is a microcomputer designed for control of automated instrument systems in the laboratory, the plant, or the factory and for information management systems. The 16-bit miroprocessor uses a 24 MHz clock to achieve an instrument cycle rate of 6 MHz. High-speed floating point arithmetic processing is implemented through extensions to the microprocessor instrument set. A separate display processor, with high speed vector generator and graphics memory work space, functions as an independent graphics display terminal for the central processor. RAM memory in the 1722A can be partially allocated as a file-structured electronic disk, for high speed task overlays and large, fast-access virtual data arrays. The 1722A includes five slots for additional memory and interface options. The standard 136 KB RAM memory is internally expandable to over 3 MB. The internal hard disk drive provides an additional 40 MB of online storage. The 1765B Series of Winchester disk drives (two models) provides 20 MB of file storage. Up to 5 MB of NVRAM options can be installed for permanent file storage.