1.   For years, Intel had a virtual monopoly on the high-end PC processor market.

2.   In recent months, AMD has extended its product lineup to encompass, for the first time, most segments of the PC processor market.

3.   Other companies active in the digital signal processor market include Lucent Technologies Inc., Motorola Inc. and Analog Devices Inc.

4.   W.J. Sanders III, chairman and chief executive officer, said AMD had held or gained market share in the processor market.