You may find an example for 2.4.x kernels here Please note: Don't use this file by default, please use always make config, make menuconfig or make xconfig to create a kernel configuration file. See Kernel-HOWTO (from TLDP) for details. Thomas Hertweck has written another useful Linux-Kernel-HOWTO (but it is only available in German and Italian).

laptopkernel is a patchset for the Linux kernel containing several useful patches for laptop-users. It contains acpi, software suspend, supermount and some hardware compatibility patches. Unfortunately this project is not maintained anymore since 2003.