<ARTICLE> 5 <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS 6-MOS <FISCAL-YEAR-END> DEC-31-1997 DEC-31-1997 <PERIOD-START> APR-01-1997 JAN-01-1997 <PERIOD-END> JUN-30-1997 JUN-30-1997 <CASH> 30,837 30,837 <SECURITIES> 35,086 35,086 <RECEIVABLES> 14,668 14,668 <ALLOWANCES> 0 0 <INVENTORY> 0 0 <CURRENT-ASSETS> 84,052 84,052 <PP&E> 16,082 16,082 <DEPRECIATION> 9,341 9,341 <TOTAL-ASSETS> 76,683 76,683 <CURRENT-LIABILITIES> 53,804 53,804 <BONDS> 0 0 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 174 174 <OTHER-SE> 21,953 21,953 <TOTAL-LIABILITY-AND-EQUITY> 22,127 22,127 <SALES> 19,208 38,957 <TOTAL-REVENUES> 19,208 38,957 <CGS> 7,998 16,016 <TOTAL-COSTS> 21,323 55,516 <OTHER-EXPENSES> 0 0 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 0 0 <INCOME-PRETAX> (1,472) (15,288) <INCOME-TAX> 53 86 <INCOME-CONTINUING> (1,525) (15,374) <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> (1,525) (15,374) <EPS-PRIMARY> (0.09) (0.90) <EPS-DILUTED> (0.09) (0.90)