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If you have no use for PCMCIA, you can choose to remove it at this point. This will make your startup cleaner; also, it will make it easier to replace your kernel (PCMCIA requires a lot of correlation between the version of the PCMCIA drivers, the kernel modules, and the kernel itself). In general, you will not need PCMCIA unless you're using a laptop.
John Goerzen / Ossama Othman