Emulation device for converting magnetic disc memory mode signal

Details Emulation device for converting magnetic disc memory mode signal Emulation device for converting magnetic disc memory mode signal

1985-02-22

1990-01-23

Williams, Jr., Archie E.

Boots, shoes, and leggings

3642329, 364249, 3642481, 3642384, 3642362, 3642643, 3642212, G06F 305, G06F 500, G06F 1300

Patent

active

048962627

ABSTRACT:
A semiconductor backing storage device is connected to a computer system accessible only in magnetic disc access mode for improvement in access time. In transferring information data between the computers and the semiconductor backing storage device, access control command signals peculiar to magnetic disc access mode are all disregarded and address data peculiar to magnetic disc access mode are converted into those necessary for semiconductor memory mode in writing or reading information data. To further decrease access time, one-word buffers are provided for a semiconductor backing storage controller and the backing storage device, so that the preceding data are transferred from the buffers while the current data are transferred to the buffers after necessary processing. The semiconductor backing storage memory is also usable for a multicomputer system by providing cross-call function for the semiconductor backing storage controller.

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