Disk drive control computer and method for rewriting control pro

Details Disk drive control computer and method for rewriting control pro Disk drive control computer and method for rewriting control pro

1994-09-09

1997-02-11

Lee, Thomas C.

395681, 395430, G06F 906, G06F 924

Patent

active

056030568

ABSTRACT:
A control program for controlling an HDD and a rewrite program for rewriting the control program are stored together in a flash EEPROM. Upon entering the rewrite mode, a CPU in the HDD saves the control program in the flash EEPROM into the RAM. The CPU erases the flash EEPROM and restores the rewrite program of the RAM into the EEPROM. The CPU receives a new control program from a host computer and loads it in the flash EEPROM. The erasing of the flash EEPROM and the loading of the new control program are performed by the CPU in accordance with the rewrite program saved in the RAM.

REFERENCES:
patent: 4430727 (1984-02-01), Moore et al.
patent: 5388267 (1995-02-01), Chan et al.
Jerry Jex, "Flash Memory BIOS for PC and Notebook Comuters", Communications, Computers, and Signal Processing, IEEE 1991.

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