This is a list of the hardware that can be found in my Thinkpad G40, there are some variations between different models, i.e. some G40's have builtin WiFi cards and the processor speed and memory size is customizable, but the differences shouldn't be huge.

This is the output from lspci:

00:00.0 Host bridge: Intel Corp. 82852/855GM Host Bridge (rev 01)
00:00.1 System peripheral: Intel Corp.: Unknown device 3584 (rev 01)
00:00.3 System peripheral: Intel Corp.: Unknown device 3585 (rev 01)
00:02.0 VGA compatible controller: Intel Corp. 82852/855GM Integrated Graphics Device (rev 01)
00:02.1 Display controller: Intel Corp. 82852/855GM Integrated Graphics Device (rev 01)
00:1d.0 USB Controller: Intel Corp. 82801DB USB (Hub #1) (rev 01)
00:1d.1 USB Controller: Intel Corp. 82801DB USB (Hub #2) (rev 01)
00:1d.2 USB Controller: Intel Corp. 82801DB USB (Hub #3) (rev 01)
00:1d.7 USB Controller: Intel Corp. 82801DB USB2 (rev 01)
00:1e.0 PCI bridge: Intel Corp. 82801BAM/CAM PCI Bridge (rev 81)
00:1f.0 ISA bridge: Intel Corp. 82801DBM LPC Interface Controller (rev 01)
00:1f.1 IDE interface: Intel Corp. 82801DBM Ultra ATA Storage Controller (rev 01)
00:1f.3 SMBus: Intel Corp. 82801DB/DBM SMBus Controller (rev 01)
00:1f.5 Multimedia audio controller: Intel Corp. 82801DB AC'97 Audio Controller (rev 01)
00:1f.6 Modem: Intel Corp. 82801DB AC'97 Modem Controller (rev 01)
02:00.0 Ethernet controller: Broadcom Corporation: Unknown device 170d (rev 01)
02:01.0 CardBus bridge: Texas Instruments PCI1410 PC card Cardbus Controller (rev 02)