Exhibit 21.1

SUBSIDIARIES OF REGISTRANT

STEEL SPORTS INC., a Delaware corporation

BASEBALL HEAVEN INC., a Delaware corporation

THE SHOW, LLC, a Delaware limited liability company

ARISTOS LOGIC CORPORATION. a Delaware corporation

ADAPTEC FAR EAST, INC., a California corporation

PLATYS COMMUNICATIONS, INC., a Delaware corporation

EUROLOGIC SYSTEMS, INC., a Delaware corporation

ROGUE PRESSURE SERVICES LTD., a Delaware corporation

ADPT (S) PTE. LTD., a corporation organized under the laws of Singapore

ADAPTEC HONG KONG LTD., a corporation organized under the laws of Hong Kong

ADAPTEC (INDIA) PVT LTD., a corporation organized under the laws of India

ARISTOS LOGIC TECHNOLOGY INDIA PVT LTD., a corporation organized under the laws of India

ADPT CI LTD., a corporation organized under the laws of the Cayman Islands

ADPT TECH HOLDING LTD., a corporation organized under the laws of the Cayman Islands

ADPT CAYMAN LICENSING LTD., a corporation organized under the laws of the Cayman Islands

ADPT STORAGE IRELAND LTD., a corporation organized under the laws of Ireland

ADAPTEC LUXEMBOURG SARL, a corporation organized under the laws of Luxembourg

ADAPTEC GMBH, a corporation organized under the laws of Germany

ICP VORTEX COMPUTERSYSTEME GMBH, a corporation organized under the laws of Germany

ADPTUK, LTD., a corporation organized under the laws of United Kingdom

EUROLOGIC SYSTEMS GROUP, LTD., a corporation organized under the laws of Ireland

EUROLOGIC SYSTEMS LTD., a corporation organized under the laws of Ireland

RICHMONT COMPUTERS LTD., a corporation organized under the laws of Ireland

WELL SERVICES LTD, a Delaware corporation.