Do you have any of these other modules loaded?
file:/lib/modules/2.4.23-pre4/kernel/drivers/ieee1394/amdtp.o
file:/lib/modules/2.4.23-pre4/kernel/drivers/ieee1394/cmp.o
file:/lib/modules/2.4.23-pre4/kernel/drivers/ieee1394/dv1394.o
file:/lib/modules/2.4.23-pre4/kernel/drivers/ieee1394/eth1394.o
file:/lib/modules/2.4.23-pre4/kernel/drivers/ieee1394/ieee1394.o
file:/lib/modules/2.4.23-pre4/kernel/drivers/ieee1394/ohci1394.o
file:/lib/modules/2.4.23-pre4/kernel/drivers/ieee1394/raw1394.o
file:/lib/modules/2.4.23-pre4/kernel/drivers/ieee1394/sbp2.o This is for HardDrives
file:/lib/modules/2.4.23-pre4/kernel/drivers/ieee1394/video1394.o
Have no idea what others you need. Download this little app Gscanbus for Firewire viewer similiar to USBView.
http://gscanbus.berlios.de/
There is lots of info on the Internet. Just google the linux way.
http://www.google.com/linux