Logic Express Tascam FW1804 and a live band, Only 4 inputs ? Options

[ejani]

Help please some one.
I have Mac OSX G4 and TASCAM FW-1804 that we just setup in my Studio to for now only to record my Big band live.
I am only doing Analog also using Logic 7 expsess and we mic all the musical instruments and open Logoc 7 Express is only showing us 4 audio input so I need help I want to know how to record the band live and to open all the audio tracks inputs to be able to record the band live.
Please Help.
EJANI.