Hi, > 4) The e820 memory map is Please paste it from linux dmesg: dmesg | grep BIOS- > The ACPI table address is 0x1bff0400, MP table address is 1bff3410 > Bios_table_addr is ff0a5~ff841 Yes I need the content. Use: acpidump >data.txt and send here the data.txt Rudolf