Here is some more information:

james@james-laptop:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=8.04
DISTRIB_CODENAME=hardy
DISTRIB_DESCRIPTION="Ubuntu hardy (development branch)"

james@james-laptop:~$ sudo lspci -vv
...
02:01.0 Ethernet controller: Intel Corporation 82540EP Gigabit Ethernet Controller (Mobile) (rev 03)
	Subsystem: IBM PRO/1000 MT Mobile Connection
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B-
	Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
	Latency: 64 (63750ns min), Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 11
	Region 0: Memory at c0220000 (32-bit, non-prefetchable) [size=128K]
	Region 1: Memory at c0200000 (32-bit, non-prefetchable) [size=64K]
	Region 2: I/O ports at 8000 [size=64]
	[virtual] Expansion ROM at c0240000 [disabled] [size=64K]
	Capabilities: [dc] Power Management version 2
		Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
		Status: D0 PME-Enable- DSel=0 DScale=1 PME-
...

james@james-laptop:~$ sudo ethtool eth0
Settings for eth0:
	Supported ports: [ TP ]
	Supported link modes:   10baseT/Half 10baseT/Full 
	                        100baseT/Half 100baseT/Full 
	                        1000baseT/Full 
	Supports auto-negotiation: Yes
	Advertised link modes:  10baseT/Half 10baseT/Full 
	                        100baseT/Half 100baseT/Full 
	                        1000baseT/Full 
	Advertised auto-negotiation: Yes
	Speed: 1000Mb/s
	Duplex: Full
	Port: Twisted Pair
	PHYAD: 0
	Transceiver: internal
	Auto-negotiation: on
	Supports Wake-on: umbg
	Wake-on: g
	Current message level: 0x00000007 (7)
	Link detected: yes

james@james-laptop:~$ sudo lshw -C network
  *-network:0             
       description: Ethernet interface
       product: 82540EP Gigabit Ethernet Controller (Mobile)
       vendor: Intel Corporation
       physical id: 1
       bus info: pci@0000:02:01.0
       logical name: eth0
       version: 03
       serial: 00:0d:60:75:a5:00
       size: 1GB/s
       capacity: 1GB/s
       width: 32 bits
       clock: 66MHz
       capabilities: pm bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=e1000 driverversion=7.3.20-k2-NAPI duplex=full firmware=N/A ip=192.168.1.113 latency=64 link=yes mingnt=255 module=e1000 multicast=yes port=twisted pair speed=1GB/s

james@james-laptop:~$ ifconfig 
ath0      Link encap:Ethernet  HWaddr 00:05:4e:48:69:ab  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:515808 errors:1 dropped:0 overruns:0 frame:0
          TX packets:307201 errors:1 dropped:1 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:380336307 (362.7 MB)  TX bytes:23458895 (22.3 MB)

eth0      Link encap:Ethernet  HWaddr 00:0d:60:75:a5:00  
          inet addr:192.168.1.113  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::20d:60ff:fe75:a500/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:5998 errors:0 dropped:0 overruns:0 frame:0
          TX packets:4485 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:7440645 (7.0 MB)  TX bytes:487599 (476.1 KB)
          Base address:0x8000 Memory:c0220000-c0240000