I have recently bought a second hand Armada 1520 which I plan to use to install Linux and play around with it. Apart from an initial problem with being able to boot from a CD which I still have to resolve (I can't open the BIOS set-up to make sure it will boot from a CD despite having downloaded and run the BIOS update program from the compaq site) I am also interested in trying to upgrade the hardware. Is it possible to install a faster CPU and what is the maximum RAM which can be installed? It currently has 80Mb RAM. Any advice on where upgrade hardware is available also of interest.