Network Appliance, Inc.

Chih-Yi Chen

Pradeep Kumar Kalra

Muthukumar Ratty

Huynh Duc Mai

Michael A Sebrée

Mitalee Gujar

Min Eig Lee

Guohua Xiong

An IBM PC compatible processing system typically has a BIOS installed as system firmware. During a boot process of the processing system, the BIOS loads a boot loader from one of the boot media, i.e., hard drives, floppy disks, CDs, USB flash memories, taps, etc. and passes control of the boot loader, the boot loader then loads an OS from the boot media. The present invention takes advantage of the higher reliability and availability provided by the system flash memory and stores a boot loader as system firmware in the system flash memory. Further, it provides changes in the BIOS boot process to load the boot loader from system memory, the ROM, for example, without relying on boot media. With this new process, the boot loader can be loaded even when the boot media is corrupt, defective or un-initialized.

Method and system of embedding a boot loader as system firmware

Environmental sensors are distributed in a computer system to sense environmental conditions, and the sensors are polled at polling intervals which are adjusted in response to changing environmental conditions, thus allowing deteriorating or improving conditions to be recognized and monitored more or less closely as desired.

Apparatus and method for sensing and responding to environmental conditions of a computer system at non-uniform polling intervals

Thermal conditions within a computer unit are monitored. A system-level temperature sensor responds to intake cooling air. A subsystem-level temperature sensor responds to the temperature of a subsystem-level component, preferably a motherboard or a backplane. When the temperature sensed by of the system-level temperature sensor falls outside of a critical limit, it is determined whether the temperature sensed by the subsystem-level temperature sensor generally correlates with the temperature sensed by the system-level temperature sensor. If there is no correlation, the operation of the computer unit is continued.

Thermal monitoring and response apparatus and method for computer unit

Growing community of inventors

San Jose, CA, United States of America

Chih-Yi Chen