Exhibit 21.1

SUBSIDIARIES OF MAI SYSTEMS CORPORATION

(12/31/04)

The following is a list showing MAI Systems Corporation and each of its subsidiaries, as of December 31, 2004, indicating each jurisdiction under the laws of which it was organized:

NAME:	JURISDICTION OF INCORPORATION
MAI SYSTEMS CORPORATION	Delaware
CLS Software International, Inc.	California
Hotel Information Systems Ltd.	Hong Kong
Hotel Information Systems Asia, Pte. Limited	Singapore
Hotel Information Solutions Limited	United Kingdom
Boss Solutions Limited	Hong Kong
Hospitality Services and Solutions	Malaysia