hi, They are 3 week ago, i compiled a new kernel 2.4.20 with a patch and acpi, run exelent. Battery an Ac_adapter run correctly. But i've reinstalled my laptop, install 2.4.20 and patch but i d'ont arrive configured correctly.. i've a battery, but not ac_adapter. when i install 2.4.19 i've ac_adapter but not battery in /proc/acpi/battery Can you help me ? I dont understand the problème. I try with same patch and kernel but is no good....... Message error is : Feb 3 18:41:51 justlinux kernel: exfldio-0122 [30] Ex_setup_region : Field [ACPW] Base+Offset+Width 38+0+4 is beyond end of region [GPIO] (length 3B) Feb 3 18:41:51 justlinux kernel: psparse-1103: *** Error: Method execution failed [\_SB_.PCI0.LPCB.ACAD._PSR] (Node c12ec3c8), AE_AML_REGION_LIMIT Feb 3 18:41:51 justlinux kernel: acpi_ac-0083 [14] acpi_ac_get_state : Error reading AC Adapter state Feb 3 18:41:51 justlinux kernel: ACPI: Battery Slot [BAT1] (battery present) Feb 3 18:41:51 justlinux kernel: ACPI: Power Button (FF) [PWRF] Feb 3 18:41:51 justlinux kernel: ACPI: Lid Switch [LID] Feb 3 18:41:51 justlinux kernel: ACPI: Sleep Button (CM) [SLPB] Feb 3 18:41:51 justlinux kernel: ACPI: Processor [CPU0] (supports C1 C2, 2 performance states, 8 throttling states) -- Cordialement, Christophe Mailhebuau http://www.justlinux.org http://www.abul.org GPG: 1024D/75B07F8D: BD18 2D01 D954 A339 E35B 9EA1 4240 0410 75B0 7F8D