Operating system upgrading
AssigneeIcebox, LLC
InventorsRobert G. Harrison, Daniel W. Knodle, Kenneth A. Brown, Kirk Westfall, Robert Rogers
Life of this patent
Estimating the term…
Abstract
Methods for upgrading the operating system of an appliance and/an one or more applications run by the appliance. The method can be used to reload existing software, to add an operating mode to the appliance, and/or to enable an existent but previously disabled operating mode of the appliance. Also disclosed are methods for making a laser readable disk which is used in the upgrading process and which also can be encoded with an operating system and/or application software.
Claims6
A method of upgrading the operating system of an appliance which has a controller with RAM and flash memory and a player for a laser readable disk, said method comprising the steps of:
- loading the disk into the player;
- playing the disk to retrieve a command which will result in a first loader residing in the flash memory being loaded into said RAM;
- then employing said first loader to load a second more robust loader residing on said disk into said RAM;
- and
- then employing said second loader to load an operating system and/or application software stored on said disk into said flash memory.
Dependencies are inferred from the claim text.