Lam G Ngo

US Patent:

20030074506, Apr 17, 2003

Filed:

Oct 16, 2001

Appl. No.:

09/978512

Inventors:

Rachid Kadri - Houston TX, US
Lam Ngo - Raleigh NC, US
Pivithuru Perera - Raleigh NC, US
Mohamad Tawil - Cary NC, US

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F013/362

US Classification:

710/113000

Abstract:

A computer system extends the capacity of processors with limited external arbitration and operable only for two-way or dual mode operation. The two-way processors operate on a system bus in a four-way configuration at comparable performance levels to high end, four-way processors. A bus agent or arbiter allows the system to use two-way configured processors to operate with the performance of those specifically configured for four-way node operation.

US Patent:

20050185590, Aug 25, 2005

Filed:

Aug 30, 2004

Appl. No.:

10/929292

Inventors:

Lam Ngo - Raleigh NC, US
Erick Swanson - Cary NC, US
Peter Marsico - Chapel Hill NC, US

International Classification:

H04L012/26

US Classification:

370241000

Abstract:

Method and systems for simultaneously performing link fault sectionalization (LFS) tests for multiple time division multiplexed (TDM) channels are disclosed. An LFS test state machine may simultaneously process test data for multiple TDM channels by receiving test data associated with the TDM channels, accessing stored LFS state information associated with the TDM channels from an LFS state storage element, sequentially processing the test data for the channels, generating new LFS state information for each channel, and storing the new LFS state information in the LFS state storage element.