Something

b44: eth0: Flow control is on for TX and on for RX.
ACPI: Battery Slot [BAT0] (battery present)
ACPI: AC Adapter [AC] (on-line)
ACPI: Processor [CPU0] (supports C1 C2 C3, 8 throttling states)
ACPI: Lid Switch [LID]
ACPI: Power Button (CM) [PBTN]
ACPI: Sleep Button (CM) [SBTN]
ACPI: Thermal Zone [THM] (53 C)
NET: Registered protocol family 10

from http://www.linuxquestions.org/questions/linux-hardware-18/dell-inspiron-b130-sound-and-wireless-425554/

Rick