Thank, i have now followed the following guide SATA Sysprep Guide extracted the floppy image to a directory c:\sata updated the [unattended] section added the [sysprepmasstoragedrivers] as suggested. re syspreped with -pnp -mini booted up and still bsod with native enabled when diasabled in F10 image flys through and ends up with IDE emulation mode i can then reinstall the IC7 chipset drivers followed by manually changing the driver for the SATA to the IC7 driver then reboot and system all fine. just sysprep not playing for some unknown reason. Thanks Nigel