ado怎么连接远程数据库

ip地址在哪里写啊?Provider=MSDASQL.1;
Persist Security Info=False;
Data Source=PMIS;
Extended Properties=
                   "DSN=PMIS;
                    UID=;
                    APP=Enterprise;
                    WSID=;
                    DATABASE=PMISDB;
                    Trusted_Connection=Yes"