<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 1998 FORM
10-K AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          SEP-30-1998             SEP-30-1997
<PERIOD-START>                             OCT-01-1997             OCT-01-1996
<PERIOD-END>                               SEP-30-1998             SEP-30-1997
<CASH>                                          68,161                  75,253
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   22,599                  34,136
<ALLOWANCES>                                     1,898                     776
<INVENTORY>                                     19,589                  23,253
<CURRENT-ASSETS>                               118,092                 135,767
<PP&E>                                          39,685                  35,540
<DEPRECIATION>                                  21,079                  14,191
<TOTAL-ASSETS>                                 140,952                 160,985
<CURRENT-LIABILITIES>                           18,171                  20,328
<BONDS>                                            130                   2,520
<PREFERRED-MANDATORY>                                0                  10,366
<PREFERRED>                                          0                     152
<COMMON>                                           110                     102
<OTHER-SE>                                     121,653                 126,616
<TOTAL-LIABILITY-AND-EQUITY>                   140,952                 160,989
<SALES>                                         99,862                 108,741
<TOTAL-REVENUES>                                99,862                 108,741
<CGS>                                           72,357                  63,761
<TOTAL-COSTS>                                  125,217                 108,305
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                 870                     910
<INCOME-PRETAX>                               (22,661)                   (334)
<INCOME-TAX>                                   (4,300)                   1,267
<INCOME-CONTINUING>                           (18,361)                 (1,601)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                  (18,882)                 (2,122)
<EPS-PRIMARY>                                   (1.84)                  (0.27)
<EPS-DILUTED>                                   (1.84)                  (0.27)