i have got a se ibook and just cannot get it started zapped the pram rest pmu and nvram although there is no memory in the slots it has onboard memory but still it wont boot all i get is a grey screen and a message of /pci@f200000/mac-i0@17/ata-4@1f000/disk@o:8,\\ if i type mac-boot in open firmware help !!!!! someone help apple are driving me nuts !!!!!!!