Individual kernel modules may be added to the boot disk or any disk
containing packages. Individual kernel modules are most useful for
filesytems or NICs.

The following packages contain kernel modules and startup scripts
to initialize these kernel modules, so you don't have to 

ide.tgz - modules for IDE devices including hard drives & CD-ROM
nfsclnt.tgz - NFS client, RPC, lock to remotely access NFS shares
tunnel.tgz - modules for GRE and IPIP tunnels and iptunnel utility