Boots – shoes – and leggings
Patent
1989-01-10
1992-03-31
Lee, Thomas C.
Boots, shoes, and leggings
364DIG1, 364243, 3642481, 3642628, 364260, G06F 922
Patent
active
051014904
ABSTRACT:
A peripheral device controller has an EEPROM which stores microinstructions to be placed in a random access memory control store. The EEPROM also stores peripheral configuration information. This information is obtained by polling the peripheral devices connected to the controller and storing the resulting information in the EEPROM. Upon powering up, the microinstructions stored in the EEPROM are transferred to the control store via execution of instructions held in a boot PROM. The controller, therefore, provides a fast control store while maintaining permanence of the microinstructions after power is extinguished. Means are also provided to update the control store and EEPROM. The EEPROM may upon CPU command be updated with new microinstructions held in main memory or obtained from peripheral devices.
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Bradley John W.
Gardner Joseph P.
Getson, Jr. Edward F.
Votolato Alfred F.
Bull HN Information Systems Inc.
Driscoll Faith F.
Geckil Mehmet
Lee Thomas C.
Smith James M.
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