Is this 12.1 inch - CD-ROM - CPU: K6-2 - 333 MHz - HDD: 4 GB - 64 MB
I would say vector linux.
You will find dozen of thread on the subject.
look at distrowatch and www.linux-laptop.net
re wireless you can always install ndiswrapper whether the distro
has it included or not
PS: Allegdly Mandrivas work well with laptop, and you do
not need to run kde or gnome: a light weight desktop manager is
available. Consider this as an option as well