1. Boot Install DVD with 9a466 Pacher 1-1. Result panic(cpu0 caller 0x0041cf65) : "unablble to find driver for this platform: "ACPI" IOPlATFORM Expert.cpp :1373 Debugger Called : p.o.ob1 : xnu-1122.4-11 2. Replace 9a410 kernel and some kext file as followings. mach_kernel AppleACPIPlatform.kext AppleAHCIPort.kext AppleIntelIntegratedFramebuffer.kext ApplePS2Controller.kext AppleSMBIOS.kext IOAHCIFamily.kext IOATAFamily.kext Natit.kext dsmos.kext 2-1. Result Unable 22AppleUSBHCIDMACcommand is not compatible with its super class, 12IODMAcommand Super class changed? failed to load extension comp.apple.driver.AppleUSBUHCI. couldn't alloc class "AppleUSBUHCI" Error : firewire unable to determine security-mode defaulting to full-secure. 3. change from USB2.0 to USB1.0 in BIOS 3-1. Result Unable 22AppleUSBHCIDMACcommand is not compatible with its super class, 12IODMAcommand Super class changed? failed to load extension comp.apple.driver.AppleUSBUHCI. couldn't alloc class "AppleUSBUHCI" Error : firewire unable to determine security-mode defaulting to full-secure. 4. Disable USB and kext Got boot device =ICSER...... BSD root=disk3s3, major14, minor 8 MAC framework enabling Multiable support ; root_device > (ufs) MAC framework enabling Multiable support ; --> /dev(devfs) ------------------Just hang-up------------------------------------