On Tuesday 31 July 2007 04:37, ktabic wrote: > BIOS Information > Vendor: LENOVO > Version: 62ETC1WW (1.11 ) > Release Date: 04/20/2007 > Address: 0xE8600 > Runtime Size: 96768 bytes > ROM Size: 1024 kB > Characteristics: ... > BIOS Revision: 1.11 > > Handle 0x0001, DMI type 1, 27 bytes > System Information > Manufacturer: LENOVO > Product Name: 07635CG > Version: LENOVO3000 V100 Thanks for the dmidecode output. Do you notice any functional difference when booting with "acpi_osi=Linux" (default for 2.6.22 and earlier) vs. "acpi_osi=!Linux" (default for 2.6.23 and later) Also, please send me the output from acpidump. thanks, -Len ps If you don't have acpidump, you can get it from pmtools here: http://www.lesswatts.org/projects/acpi/utilities.php - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html