Method to store privileged data within the primary CPU memory sp

Details Method to store privileged data within the primary CPU memory sp Method to store privileged data within the primary CPU memory sp

1997-08-19

1999-02-02

Geckil, Mehmet B.

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

711152, G06F 1300

Patent

active

058676554

ABSTRACT:
In the present invention, a single EEPROM is used to store firmware for the CPU, firmware for the SCP and the system password and other critical system data. Hardware protection is provided that prevents the CPU from accessing the portion of the EEPROM that contains the password or other critical systems data.

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