Some more infos: frederic@PC-portable-PB:~$ cat /proc/interrupts CPU0 0: 37071 XT-PIC-XT timer 1: 76 XT-PIC-XT i8042 2: 0 XT-PIC-XT cascade 5: 503 XT-PIC-XT uhci_hcd:usb3, VIA8233 7: 0 XT-PIC-XT uhci_hcd:usb2 8: 3 XT-PIC-XT rtc 9: 381 XT-PIC-XT acpi 10: 52270 XT-PIC-XT ehci_hcd:usb4 11: 35856 XT-PIC-XT uhci_hcd:usb1, eth0, via@pci:0000:01:00.0 12: 132 XT-PIC-XT i8042 14: 18576 XT-PIC-XT libata 15: 5747 XT-PIC-XT libata NMI: 0 Non-maskable interrupts LOC: 35097 Local timer interrupts RES: 0 Rescheduling interrupts CAL: 0 function call interrupts TLB: 0 TLB shootdowns TRM: 0 Thermal event interrupts SPU: 0 Spurious interrupts ERR: 0 MIS: 0 frederic@PC-portable-PB:~$ sudo lspci -vnn [sudo] password for frederic: 00:00.0 Host bridge [0600]: VIA Technologies, Inc. CN400/PM880 Host Bridge [1106:0259] Subsystem: Unknown device [1631:c015] Flags: bus master, 66MHz, medium devsel, latency 8 Memory at a0000000 (32-bit, prefetchable) [size=32M] Capabilities: [80] AGP version 3.5 Capabilities: [50] Power Management version 2 00:00.1 Host bridge [0600]: VIA Technologies, Inc. CN400/PM880 Host Bridge [1106:1259] Flags: bus master, medium devsel, latency 0 00:00.2 Host bridge [0600]: VIA Technologies, Inc. CN400/PM880 Host Bridge [1106:2259] Flags: bus master, medium devsel, latency 0 00:00.3 Host bridge [0600]: VIA Technologies, Inc. CN400/PM880 Host Bridge [1106:3259] Flags: bus master, medium devsel, latency 0 00:00.4 Host bridge [0600]: VIA Technologies, Inc. CN400/PM880 Host Bridge [1106:4259] Flags: bus master, medium devsel, latency 0 00:00.7 Host bridge [0600]: VIA Technologies, Inc. CN400/PM880 Host Bridge [1106:7259] Flags: bus master, medium devsel, latency 0 00:01.0 PCI bridge [0604]: VIA Technologies, Inc. VT8237 PCI Bridge [1106:b198] (prog-if 00 [Normal decode]) Flags: bus master, 66MHz, medium devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 I/O behind bridge: 0000c000-0000dfff Memory behind bridge: c0000000-cfffffff Prefetchable memory behind bridge: 90000000-9fffffff Capabilities: [70] Power Management version 2 00:06.0 Ethernet controller [0200]: Atheros Communications Inc. AR5212/AR5213 Multiprotocol MAC/baseband processor [168c:0013] (rev 01) Subsystem: Askey Computer Corp. Unknown device [144f:7084] Flags: medium devsel Memory at 40000000 (32-bit, non-prefetchable) [size=64K] Capabilities: [44] Power Management version 2 00:10.0 USB Controller [0c03]: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller [1106:3038] (rev 80) (prog-if 00 [UHCI]) Subsystem: Unknown device [1631:c015] Flags: bus master, medium devsel, latency 22, IRQ 11 I/O ports at 1200 [size=32] Capabilities: [80] Power Management version 2 00:10.1 USB Controller [0c03]: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller [1106:3038] (rev 80) (prog-if 00 [UHCI]) Subsystem: Unknown device [1631:c015] Flags: bus master, medium devsel, latency 22, IRQ 7 I/O ports at 1220 [size=32] Capabilities: [80] Power Management version 2 00:10.2 USB Controller [0c03]: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller [1106:3038] (rev 80) (prog-if 00 [UHCI]) Subsystem: Unknown device [1631:c015] Flags: bus master, medium devsel, latency 22, IRQ 5 I/O ports at 1240 [size=32] Capabilities: [80] Power Management version 2 00:10.3 USB Controller [0c03]: VIA Technologies, Inc. USB 2.0 [1106:3104] (rev 82) (prog-if 20 [EHCI]) Subsystem: Unknown device [1631:c015] Flags: bus master, medium devsel, latency 22, IRQ 10 Memory at 40010000 (32-bit, non-prefetchable) [size=256] Capabilities: [80] Power Management version 2 00:11.0 ISA bridge [0601]: VIA Technologies, Inc. VT8235 ISA Bridge [1106:3177] Subsystem: Unknown device [1631:c015] Flags: bus master, stepping, medium devsel, latency 0 Capabilities: [c0] Power Management version 2 00:11.1 IDE interface [0101]: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE [1106:0571] (rev 06) (prog-if 8a [Master SecP PriP]) Subsystem: Unknown device [1631:c015] Flags: bus master, stepping, medium devsel, latency 64 [virtual] Memory at 000001f0 (32-bit, non-prefetchable) [disabled] [size=8] [virtual] Memory at 000003f0 (type 3, non-prefetchable) [disabled] [size=1] [virtual] Memory at 00000170 (32-bit, non-prefetchable) [disabled] [size=8] [virtual] Memory at 00000370 (type 3, non-prefetchable) [disabled] [size=1] I/O ports at 1100 [size=16] Capabilities: [c0] Power Management version 2 00:11.5 Multimedia audio controller [0401]: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller [1106:3059] (rev 50) Subsystem: Unknown device [1631:c015] Flags: medium devsel, IRQ 5 I/O ports at e000 [size=256] Capabilities: [c0] Power Management version 2 00:12.0 Ethernet controller [0200]: VIA Technologies, Inc. VT6102 [Rhine-II] [1106:3065] (rev 74) Subsystem: Unknown device [1631:c015] Flags: bus master, stepping, medium devsel, latency 128, IRQ 11 I/O ports at e200 [size=256] Memory at d0000000 (32-bit, non-prefetchable) [size=256] Capabilities: [40] Power Management version 2 01:00.0 VGA compatible controller [0300]: VIA Technologies, Inc. S3 Unichrome Pro VGA Adapter [1106:3118] (rev 02) (prog-if 00 [VGA controller]) Subsystem: Unknown device [1631:c015] Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 11 Memory at 90000000 (32-bit, prefetchable) [size=64M] Memory at c0000000 (32-bit, non-prefetchable) [size=16M] [virtual] Expansion ROM at 94000000 [disabled] [size=64K] Capabilities: [60] Power Management version 2 Capabilities: [70] AGP version 2.0 frederic@PC-portable-PB:~$