When I first got the Toshiba Portege 3490CT from an auction at work, my main goal for the machine was to install Linux on it.
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He (I assume) pointed me to PXE netboot install and a detailed set of instructions posted on Ubuntu Forums. I tried it last weekend and it didnt work. I was then pointed to using a different set of inputs in the Tftpd32 program. I tried it again today and it worked. I raised my arms in the air when the Ubuntu installer appeared on the laptop.