[buzzbomb]

go into XBMC home screen. Go along to System OK - down to sub menu Settings OK - scroll down to Add-ons OK - down to Install from zip file OK - scroll down to Root File system OK - down to mnt OK - usb-storage OK - USB DISK 0 OK- then you should see ur HDD OK.

Similar procedure ie XBMC home screen. Go along to System OK - down to File Manger OK - then follow the procedure outlined above until it gives u the option to mount ur HDD.