Advanced Micro Devices Inc reports that last week it held groundbreaking ceremonies marking the start of construction of its 700,000 square-foot submicron semiconductor manufacturing and office complex in Austin, Texas: Fab 25 will cost between $750m and $1,000m when fully equipped; construction and initial equipment installation is expected to be completed in late 1994, and when fully equipped, it will employ up to 1,000 people making next generation X86 and RISC microprocessors and logic chips for networking and multimedia; at full capacity, it will be capable of starting 5,000 8 wafers per week and annual revenue potential of $1,500m to $2,000m, the firm said.