dmesg in my laptop prints this : ACPI: System BIOS is requesting _OSI(Linux) ACPI: Please test with "acpi_osi=!Linux" Please send dmidecode to linux-acpi@xxxxxxxxxxxxxxx So I do. D. Angelis
# dmidecode 2.7 SMBIOS 2.4 present. 38 structures occupying 1226 bytes. Table at 0x7FEE6000. Handle 0x0000, DMI type 0, 24 bytes. BIOS Information Vendor: Phoenix Technologies LTD Version: NAPA0001.86C.00 Release Date: 11/30/06 Address: 0xE7590 Runtime Size: 100976 bytes ROM Size: 512 kB Characteristics: ISA is supported PCI is supported PC Card (PCMCIA) is supported PNP is supported APM is supported BIOS is upgradeable BIOS shadowing is allowed ESCD support is available Boot from CD is supported ACPI is supported USB legacy is supported AGP is supported BIOS boot specification is supported Handle 0x0001, DMI type 1, 27 bytes. System Information Manufacturer: Clevo Co. Product Name: M570U Version: Not Applicable Serial Number: Not Applicable UUID: 0090F558-0E55-0000-0000-000000000000 Wake-up Type: Power Switch SKU Number: Not Specified Family: Not Specified Handle 0x0002, DMI type 2, 8 bytes. Base Board Information Manufacturer: Clevo Co. Product Name: CAPELL VALLEY(NAPA) CRB Version: Not Applicable Serial Number: Not Applicable Handle 0x0003, DMI type 3, 17 bytes. Chassis Information Manufacturer: Clevo Co. Type: Notebook Lock: Not Present Version: N/A Serial Number: None Asset Tag: No Asset Tag Boot-up State: Safe Power Supply State: Safe Thermal State: Safe Security Status: None OEM Information: 0x00001234 Handle 0x0004, DMI type 4, 35 bytes. Processor Information Socket Designation: U2E1 Type: Central Processor Family: Unknown Manufacturer: Intel ID: F6 06 00 00 FF FB EB BF Version: Voltage: 3.3 V External Clock: Unknown Max Speed: 2330 MHz Current Speed: 2000 MHz Status: Populated, Enabled Upgrade: ZIF Socket L1 Cache Handle: 0x0005 L2 Cache Handle: 0x0006 L3 Cache Handle: Not Provided Serial Number: Not Specified Asset Tag: Not Specified Part Number: Not Specified Handle 0x0005, DMI type 7, 19 bytes. Cache Information Socket Designation: L1 Cache Configuration: Enabled, Socketed, Level 1 Operational Mode: Write Back Location: Internal Installed Size: 16 KB Maximum Size: 16 KB Supported SRAM Types: Burst Pipeline Burst Asynchronous Installed SRAM Type: Asynchronous Speed: Unknown Error Correction Type: Unknown System Type: Unknown Associativity: Unknown Handle 0x0006, DMI type 7, 19 bytes. Cache Information Socket Designation: L2 Cache Configuration: Enabled, Socketed, Level 2 Operational Mode: Write Back Location: External Installed Size: 4096 KB Maximum Size: 4096 KB Supported SRAM Types: Burst Pipeline Burst Asynchronous Installed SRAM Type: Burst Speed: Unknown Error Correction Type: Unknown System Type: Unknown Associativity: Unknown Handle 0x0007, DMI type 8, 9 bytes. Port Connector Information Internal Reference Designator: J19 Internal Connector Type: 9 Pin Dual Inline (pin 10 cut) External Reference Designator: COM 1 External Connector Type: DB-9 male Port Type: Serial Port 16550A Compatible Handle 0x0008, DMI type 8, 9 bytes. Port Connector Information Internal Reference Designator: J1A1 Internal Connector Type: None External Reference Designator: Keyboard External Connector Type: Circular DIN-8 male Port Type: Keyboard Port Handle 0x0009, DMI type 8, 9 bytes. Port Connector Information Internal Reference Designator: J1A1 Internal Connector Type: None External Reference Designator: PS/2 Mouse External Connector Type: Circular DIN-8 male Port Type: Mouse Port Handle 0x000A, DMI type 9, 13 bytes. System Slot Information Designation: PCI Slot J8B1 Type: 32-bit PCI Current Usage: Unknown Length: Long ID: 0 Characteristics: 5.0 V is provided 3.3 V is provided Handle 0x000B, DMI type 9, 13 bytes. System Slot Information Designation: PCI Slot J9B1 Type: 32-bit PCI Current Usage: Unknown Length: Long ID: 0 Characteristics: 5.0 V is provided 3.3 V is provided Handle 0x000C, DMI type 9, 13 bytes. System Slot Information Designation: PEG Slot J6C1 Type: 32-bit PCI Express Current Usage: In Use Length: Long Characteristics: 5.0 V is provided 3.3 V is provided Handle 0x000D, DMI type 9, 13 bytes. System Slot Information Designation: PCI Express Slot J7C1 Type: 32-bit PCI Express Current Usage: Available Length: Long Characteristics: 5.0 V is provided 3.3 V is provided Handle 0x000E, DMI type 9, 13 bytes. System Slot Information Designation: PCI Express Slot J8C1 Type: 32-bit PCI Express Current Usage: Unknown Length: Long Characteristics: 5.0 V is provided 3.3 V is provided Handle 0x000F, DMI type 10, 6 bytes. On Board Device Information Type: Sound Status: Disabled Description: HD-Audio Handle 0x0010, DMI type 11, 5 bytes. OEM Strings String 1: This is the Intel Calistoga String 2: Chipset CRB Platform Handle 0x0011, DMI type 12, 5 bytes. System Configuration Options Option 1: Jumper settings can be described here. Handle 0x0012, DMI type 15, 29 bytes. System Event Log Area Length: 16 bytes Header Start Offset: 0x0000 Header Length: 16 bytes Data Start Offset: 0x0010 Access Method: General-purpose non-volatile data functions Access Address: 0x0000 Status: Valid, Not Full Change Token: 0x00000002 Header Format: Type 1 Supported Log Type Descriptors: 3 Descriptor 1: POST error Data Format 1: POST results bitmap Descriptor 2: Single-bit ECC memory error Data Format 2: Multiple-event Descriptor 3: Multi-bit ECC memory error Data Format 3: Multiple-event Handle 0x0013, DMI type 16, 15 bytes. Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: None Maximum Capacity: 2 GB Error Information Handle: Not Provided Number Of Devices: 2 Handle 0x0014, DMI type 17, 27 bytes. Memory Device Array Handle: 0x0013 Error Information Handle: No Error Total Width: 32 bits Data Width: 32 bits Size: 1024 MB Form Factor: SODIMM Set: 1 Locator: M1 Bank Locator: Bank 0 Type: DDR2 Type Detail: Synchronous Speed: Unknown Manufacturer: Not Specified Serial Number: Not Specified Asset Tag: Not Specified Part Number: Not Specified Handle 0x0015, DMI type 17, 27 bytes. Memory Device Array Handle: 0x0013 Error Information Handle: No Error Total Width: 32 bits Data Width: 32 bits Size: 1024 MB Form Factor: SODIMM Set: 1 Locator: M2 Bank Locator: Bank 1 Type: DDR2 Type Detail: Synchronous Speed: Unknown Manufacturer: Not Specified Serial Number: Not Specified Asset Tag: Not Specified Part Number: Not Specified Handle 0x0016, DMI type 19, 15 bytes. Memory Array Mapped Address Starting Address: 0x00000000000 Ending Address: 0x0007FFFFFFF Range Size: 2 GB Physical Array Handle: 0x0013 Partition Width: 0 Handle 0x0017, DMI type 20, 19 bytes. Memory Device Mapped Address Starting Address: 0x00000000000 Ending Address: 0x0003FFFFFFF Range Size: 1 GB Physical Device Handle: 0x0014 Memory Array Mapped Address Handle: 0x0016 Partition Row Position: Unknown Interleave Position: Unknown Interleaved Data Depth: Unknown Handle 0x0018, DMI type 20, 19 bytes. Memory Device Mapped Address Starting Address: 0x00040000000 Ending Address: 0x0007FFFFFFF Range Size: 1 GB Physical Device Handle: 0x0015 Memory Array Mapped Address Handle: 0x0016 Partition Row Position: Unknown Interleave Position: Unknown Interleaved Data Depth: Unknown Handle 0x0019, DMI type 23, 13 bytes. System Reset Status: Enabled Watchdog Timer: Present Boot Option: Do Not Reboot Boot Option On Limit: Do Not Reboot Reset Count: Unknown Reset Limit: Unknown Timer Interval: Unknown Timeout: Unknown Handle 0x001A, DMI type 24, 5 bytes. Hardware Security Power-On Password Status: Disabled Keyboard Password Status: Unknown Administrator Password Status: Disabled Front Panel Reset Status: Unknown Handle 0x001B, DMI type 25, 9 bytes. System Power Controls Next Scheduled Power-on: 12-31 23:59:59 Handle 0x001C, DMI type 26, 20 bytes. Voltage Probe Description: Voltage Probe Location: Processor Status: OK Maximum Value: Unknown Minimum Value: Unknown Resolution: Unknown Tolerance: Unknown Accuracy: Unknown OEM-specific Information: 0x00000000 Handle 0x001D, DMI type 27, 12 bytes. Cooling Device Temperature Probe Handle: 0x001E Type: Fan Status: OK OEM-specific Information: 0x00000000 Handle 0x001E, DMI type 28, 20 bytes. Temperature Probe Description: Temperature Probe Location: Processor Status: OK Maximum Value: Unknown Minimum Value Unknown Resolution: Unknown Tolerance: Unknown Accuracy: Unknown OEM-specific Information: 0x00000000 Handle 0x001F, DMI type 29, 20 bytes. Electrical Current Probe Description: Electrical Current Probe Location: Processor Status: OK Maximum Value: Unknown Minimum Value: Unknown Resolution: Unknown Tolerance: Unknown Accuracy: Unknown OEM-specific Information: 0x00000000 Handle 0x0020, DMI type 30, 6 bytes. Out-of-band Remote Access Manufacturer Name: Intel Inbound Connection: Enabled Outbound Connection: Disabled Handle 0x0021, DMI type 32, 20 bytes. System Boot Information Status: <OUT OF SPEC> Handle 0x0022, DMI type 129, 16 bytes. OEM-specific Type Header and Data: 81 10 22 00 01 01 02 01 00 00 00 01 00 00 08 01 Strings: Intel_ASF_001 Intel_ASF_001 Handle 0x0023, DMI type 136, 8 bytes. OEM-specific Type Header and Data: 88 08 23 00 FF FF 00 00 Strings: ..$ .. Handle 0x0024, DMI type 150, 14 bytes. OEM-specific Type Header and Data: 96 0E 24 00 01 01 00 00 00 00 00 00 00 00 Strings: ABSOLUTE(PHOENIX) CLM Handle 0x0025, DMI type 127, 4 bytes. End Of Table
