Electrical computers and digital processing systems: support – Digital data processing system initialization or configuration
Patent
1998-01-16
2000-03-14
Follansbee, John A.
Electrical computers and digital processing systems: support
Digital data processing system initialization or configuration
714 6, G06F 9445
Patent
active
060386630
ABSTRACT:
Multi-chip computer module with a CPU and other functional circuits such as serial and parallel interfaces, a hard drive interface, a floppy disk interface, a keyboard interface, and flash memory. During initialization, the module can check the wiring of a connector coupled to a serial port to determine the mode in which the module should operate, and in an operational mode, normal serial communications can be carried on through the serial port. Fail safe BIOS operation is provided by storing a BIOS program both in a read only memory (ROM) and in a flash memory, with the flash memory serving as the source of the BIOS program under normal operating conditions. If the flash memory should become erased or otherwise corrupted, the ROM can serve as the source of the BIOS program and allow the flash memory to be reprogrammed.
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Follansbee John A.
ZF Microsystems, Inc.
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