Browse Prior Art Database

System Firmware Update Method before Rebooting the Operating System

IP.com Disclosure Number: IPCOM000123986D
Original Publication Date: 1999-Sep-01
Included in the Prior Art Database: 2005-Apr-05
Document File: 2 page(s) / 81K

Publishing Venue

IBM

Related People

Itoh, H: AUTHOR

Abstract

Disclosed is a method to update the system firmware not available under the operating system (OS) environment. This method is designed to eliminate any diskette boot operation to update the system firmware before rebooting the operating system. Usually the OS is working in virtual addressing mode. While the system firmware resident in the system ROM is successfully working in real addressing mode. Hence the interface program is required for switching the addressing mode in order to recognize the address space of the system firmware. And a special program is also provided to intercept the operating system shutdown followed by exclusively updating the system firmware without any program accesses under the OS.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 72% of the total text.

System Firmware Update Method before Rebooting the Operating System

   Disclosed is a method to update the system firmware not
available under the operating system (OS) environment.  This method
is designed to eliminate any diskette boot operation to update the
system firmware before rebooting the operating system.  Usually the
OS is working in virtual addressing mode.  While the system firmware
resident in the system ROM is successfully working in real addressing
mode.  Hence the interface program is required for switching the
addressing mode in order to recognize the address space of the system
firmware.  And a special program is also provided to intercept the
operating system shutdown followed by exclusively updating the system
firmware without any program accesses under the OS.  The firmware
update program and the update image itself can be system dependent
and to be separated from this applications.

   The OS dependent GUI program can help the user to set the
firmware update options or to download the firmware image itself via
network under the OS.  (Step-1)

   The OS dependent GUI program can store the firmware image
into the harddisk or the resident memory accessable by the firmware
update program in real addressing mode.  The update options, or the
update program are also prepared to be available in real addressing
mode.  (Step-2)

   After the user's OS shutdown request, the shutdown
intercept program can detect its completion and transfer the
proces...