QUANTUM CORP <QNTM.O> 2ND QTR SEPT 27 NET Shr 44 cts vs 30 cts Net 4,057,000 vs 2,716,000 Sales 49.5 mln vs 29.6 mln Six Mths Shr six cts vs 55 cts Net 518,000 vs 5,167,000 Sales 89.7 mln vs 54.9 mln