Graham,
I use these parameters when opening the MySQL DB. This works for IDE PC, IDE Mac and mobile.
revOpenDatabase("mysql", "yourdomain.on-rev.com" ,"cpanelusername_DatabaseName" ,"cpanelusername_MyPHPadminDBusername" ,"Password for yPHPadminDBusername" ,,,,true)
Ralph DiMola
IT Director
Evergreen Information Services
rdimola at evergreeninfo.net