For more information about Linux and laptops, the following site is a good starting point.
Linux Laptop Homepage
Other information related to laptops can be found at the following sites:
Compaq Concerto (pen driver)
Compaq Contura Aero
IBM ThinkPad
IBM Thinkpad 770 series
NEC Versa M and P
Tadpole P1000
Tadpole P1000 (another one)
TI TravelMate 5100
Toshiba Satellite Pro 400CDT
PCMCIA
PCMCIA drivers currently support all common PCMCIA controllers, including Databook TCIC/2, Intel i82365SL, Cirrus PD67xx, and Vadem VG-468 chipsets. Motorola 6AHC05GA controller used in some Hyundai laptops is not supported. See Appendix B for a list of supported PCMCIA cards.