06223293 is referenced by 36 patents and cites 53 patents.

A laptop computer system includes a protected mode microprocessor capable of operating in restricted and unrestricted modes, and an arrangement which in response to a predetermined condition saves information from the processor and then forcibly switches the processor to its unrestricted mode of operation. When running a multi-tasking operating system where an application program is being executed in a restricted mode, a suspend/resume operation can be carried out in which the system is substantially powered down and then powered back up, and will resume the interrupted application with the restricted mode back in effect. Further, setup changes such as adjustment of the processor speed can be made without exiting the application program running in the restricted mode.

Title
Suspend/resume capability for a protected mode microprocessor
Application Number
8/389779
Publication Number
6223293 (B1)
Application Date
February 16, 1995
Publication Date
April 24, 2001
Inventor
Mark A Ruthenbeck
Lincoln Township, Berrien County
MI, US
Scott A Hovey
St. Joseph
MI, US
Steven L Belt
Stevensville
MI, US
Michael D Maddix
Lincoln Township, Berrien County
MI, US
Brian D Willoughby
Lincoln Township, Berrien County
MI, US
Michael P Krau
Hagar Township, Berrien County
MI, US
Rodman S Brahman
St. Joseph Township, Berrien County
MI, US
Jiming Sun
St. Joseph
MI, US
Matthew B Mendelow
St. Joseph
MI, US
James L Walker
Benton Harbor
MI, US
Saifuddin T Fakhruddin
St. Joseph
MI, US
Mark J Foster
Lincoln Township, Berrien County
MI, US
Agent
Katten Muchin Zavis
US
Assignee
NEC Corporation
US
IPC
G06F 1/26
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