USB camera

Hello.
I can't mount my camera (Olympus C-220Z, USB) by follow command:
mount -t vfat /dev/sda1 /media/usb

device /dev/sda1 isn't present
What I do wrong?


kernel: hub.c: USB new device connect on bus1/1, assigned device number 2
kernel: usb.c: USB device 2 (vend/prod 0x7b4/0x102) is not claimed by any 
active driver.
kernel: Initializing USB Mass Storage driver...
kernel: usb.c: registered new driver usb-storage
ync kernel: scsi0 : SCSI emulation for USB Mass Storage devices
kernel: usb.c: USB disconnect on device 2
kernel: usb_control/bulk_msg: timeout
kernel: scsi: device set offline - not ready or command retry failed after bus 
reset: host 0 channel 0 id 0 lun 0
kernel: usb_control/bulk_msg: timeout
insmod: Using /lib/modules/2.4.10-4GB/kernel/drivers/usb/storage/usb-storage.o
insmod: Symbol version prefix ''
kernel: WARNING: USB Mass Storage data integrity not assured
kernel: USB Mass Storage device found at 2
kernel: USB Mass Storage support registered.
kernel: hub.c: USB new device connect on bus1/1, assigned device number 3
kernel: scsi1 : SCSI emulation for USB Mass Storage devices
modprobe: modprobe: Can't locate module block-major-8
modprobe: modprobe: Can't locate module block-major-8
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