On Sunday 04 November 2007 18:01, Dimitri Michaux wrote: > System Information > Manufacturer: Hewlett-Packard > Product Name: > Version: Rev 1 > Serial Number: > UUID: Not Settable > Wake-up Type: Power Switch > SKU Number: > Family: 103C_5335KV > > Handle 0x0002, DMI type 2, 8 bytes > Base Board Information > Manufacturer: Quanta > Product Name: 30B8 Is this a production BIOS? It is unusual to have no "Product Name" above. What name is on the sticker on the box -- something from the Pavilion dv6000 family? 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) ...in particular, please check sound, wifi, and hibernate. 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