First try updating the BIOS. Then see of there is an IDE vs raid mode and set to IDE or if there is SATA turn off AHCI and set the SATA to use ide mode with in the BIOS. kernel options -v verbos, -r rebuild /dev tree, -k for kernel debug.
You could also try e for edit option in grub boot the kernel like: kernel /platform/i86pc/kernel/unix -B prom_debug=true,kbm_debug=true,acpi-user-options=8 -rvk Maybe this might help, but doubt it another option to use: acpi-user-options=2 to the boot environment variables. Attempted to force UDMA 5 After you finish installing edit the menu.lst using the e in /rpool/boot/grub (if installed using ufs vs zfs /boot/grub) directory to apply the same parameter each time the notebook is booted. Boot option: kernel /platform/i86pc/kernel/unix -B $ZFS-BOOTFS boot-media=cdrom,acpi-user-options=8 -- This message posted from opensolaris.org
