Having problems installing Xubuntu 9.04 to my Dell Latitude CPi (old, I know, but available...

). Problem is that the CDROM is not working right and the BIOS doesn't support boot from USB so I can't do a complete live CD install via the CDROM or USB.
What I'd like to do instead is install the ISO to the HD and run the install from that HD. Even with the CDROM problems I am able to load the Live CD installer from CDROM.
With that I think the best option will be to extract the ISO files to the HD (attach to another computer and extract to a FAT32 partition, then replace HD back in the latitude) then direct the liveCD bootloader to find the install files on the HD. Unfortunately I don't know the necessary commands to pass to the bootloader.
Thanks in advance for the help.