I can't connect to the Internet as my modem (sens lt56adw) doesn't seem to be detected. When I run the lspci -v command I get this:

0000:00:00.0 Host bridge: Intel Corp. 82830 830 Chipset Host Bridge (rev 03)
Subsystem: Samsung Electronics Co Ltd: Unknown device c001
Flags: bus master, fast devsel, latency 0
Memory at <unassigned> (32-bit, prefetchable)
Capabilities: [40] #09 [0105]

0000:00:02.0 VGA compatible controller: Intel Corp. 82830 CGC [Chipset Graphics Controller] (rev 03) (prog-if 00 [VGA])
Subsystem: Samsung Electronics Co Ltd: Unknown device c001
Flags: bus master, fast devsel, latency 0, IRQ 11
Memory at e8000000 (32-bit, prefetchable) [size=128M]
Memory at e0000000 (32-bit, non-prefetchable) [size=512K]
Capabilities: [d0] Power Management version 1

0000:00:02.1 Display controller: Intel Corp. 82830 CGC [Chipset Graphics Controller]
Subsystem: Samsung Electronics Co Ltd: Unknown device c001
Flags: bus master, fast devsel, latency 0
Memory at f0000000 (32-bit, prefetchable) [size=128M]
Memory at e0080000 (32-bit, non-prefetchable) [size=512K]
Capabilities: [d0] Power Management version 1

0000:00:1d.0 USB Controller: Intel Corp. 82801CA/CAM USB (Hub #1) (rev 01) (prog-if 00 [UHCI])
Subsystem: Samsung Electronics Co Ltd: Unknown device c001
Flags: bus master, medium devsel, latency 0, IRQ 11
I/O ports at 1800 [size=32]

0000:00:1d.1 USB Controller: Intel Corp. 82801CA/CAM USB (Hub #2) (rev 01) (prog-if 00 [UHCI])
Subsystem: Samsung Electronics Co Ltd: Unknown device c001
Flags: bus master, medium devsel, latency 0, IRQ 5
I/O ports at 1820 [size=32]

0000:00:1d.2 USB Controller: Intel Corp. 82801CA/CAM USB (Hub #3) (rev 01) (prog-if 00 [UHCI])
Subsystem: Samsung Electronics Co Ltd: Unknown device c001
Flags: bus master, medium devsel, latency 0, IRQ 5
I/O ports at 1840 [size=32]

0000:00:1e.0 PCI bridge: Intel Corp. 82801BAM/CAM PCI Bridge (rev 41) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=04, sec-latency=64
I/O behind bridge: 00003000-00003fff
Memory behind bridge: e0200000-e02fffff

0000:00:1f.0 ISA bridge: Intel Corp. 82801CAM ISA Bridge (LPC) (rev 01)
Flags: bus master, medium devsel, latency 0

0000:00:1f.1 IDE interface: Intel Corp. 82801CAM IDE U100 (rev 01) (prog-if 8a [Master SecP PriP])
Subsystem: Samsung Electronics Co Ltd: Unknown device c001
Flags: bus master, medium devsel, latency 0, IRQ 5
I/O ports at <unassigned>
I/O ports at <unassigned>
I/O ports at <unassigned>
I/O ports at <unassigned>
I/O ports at 1860 [size=16]
Memory at 10000000 (32-bit, non-prefetchable) [size=1K]

0000:00:1f.3 SMBus: Intel Corp. 82801CA/CAM SMBus Controller (rev 01)
Subsystem: Samsung Electronics Co Ltd: Unknown device c001
Flags: medium devsel, IRQ 10
I/O ports at 1880 [size=32]

0000:00:1f.6 Modem: Intel Corp. 82801CA/CAM AC'97 Modem Controller (rev 01) (prog-if 00 [Generic])
Subsystem: Samsung Electronics Co Ltd: Unknown device c001
Flags: medium devsel, IRQ 10
I/O ports at 2000 [size=256]
I/O ports at 1c00 [size=128]

0000:02:03.0 CardBus bridge: Texas Instruments PCI1420
Subsystem: Samsung Electronics Co Ltd: Unknown device c001
Flags: bus master, medium devsel, latency 168, IRQ 10
Memory at 10001000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=02, secondary=03, subordinate=03, sec-latency=176
Memory window 0: 10400000-107ff000 (prefetchable)
Memory window 1: 10800000-10bff000
I/O window 0: 00004000-000040ff
I/O window 1: 00004400-000044ff
16-bit legacy interface ports at 0001

0000:02:03.1 CardBus bridge: Texas Instruments PCI1420
Subsystem: Samsung Electronics Co Ltd: Unknown device c001
Flags: bus master, medium devsel, latency 168, IRQ 10
Memory at 10002000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=02, secondary=04, subordinate=04, sec-latency=176
Memory window 0: 10c00000-10fff000 (prefetchable)
Memory window 1: 11000000-113ff000
I/O window 0: 00004800-000048ff
I/O window 1: 00004c00-00004cff
16-bit legacy interface ports at 0001

0000:02:07.0 Multimedia audio controller: ESS Technology ES1983S Maestro-3i PCI Audio Accelerator
Subsystem: Samsung Electronics Co Ltd: Unknown device c001
Flags: bus master, medium devsel, latency 64, IRQ 5
I/O ports at 3000 [size=256]
Memory at e0204000 (32-bit, non-prefetchable) [size=8K]
Capabilities: [c0] Power Management version 2

0000:02:08.0 Ethernet controller: Intel Corp. 82801CAM (ICH3) PRO/100 VE (LOM) Ethernet Controller (rev 41)
Subsystem: Samsung Electronics Co Ltd EtherExpress PRO/100 VE
Flags: bus master, medium devsel, latency 66, IRQ 11
Memory at e0206000 (32-bit, non-prefetchable) [size=4K]
I/O ports at 3400 [size=64]
Capabilities: [dc] Power Management version 2

0000:02:0d.0 FireWire (IEEE 1394): Texas Instruments TSB43AB22/A IEEE-1394a-2000 Controller (PHY/Link) (prog-if 10 [OHCI])
Subsystem: Samsung Electronics Co Ltd: Unknown device c001
Flags: bus master, medium devsel, latency 64, IRQ 11
Memory at e0207000 (32-bit, non-prefetchable) [size=2K]
Memory at e0200000 (32-bit, non-prefetchable) [size=16K]
Capabilities: [44] Power Management version 2