0001029869-98-000237 SC 13G/A 1 19980213 NYSE BOSTON PARTNERS ASSET MANAGEMENT L P BOSTON PARTNERS, INC. DESMOND JOHN HEATHWOOD CALPINE CORP 0000916457 4991 770031605 CA 1231 SC 13G/A 34 005-48317 98539768 50 WEST SAN FERNANDO ST SAN JOSE CA 95113 4089955115 50 W SAN FERNANDO SUITE 500 SAN JOSE CA 95113 BOSTON PARTNERS ASSET MANAGEMENT L P 0000949682 6282 043270358 DE 1231 SC 13G/A ONE FINANCIAL CENTER 43RD FL BOSTON MA 02159 6178328280 ONE FINANCIAL CENTER 43RD FLOOR BOSTON MA 02111 SC 13G/A 1 000102986998000237-001-seq1-sc-13g-a.txt CALPINE CORPORATION FORM SC 13G/A