Its currently on OS X 10.4.11, I have the .dmg of 10.5 (leopard) on my external HDD, but its nearly 8GB so requires a DL DVD, which I have, but I dont think that emac has a DL dvd drive. Its 1GHZ G4 CPU with 3/4GB ram and 320GB HDD internal. Pretty good for a free computer. I know it will run leopard fine but I just dont have a way of doing it.
I mounted the DMG on my windows 7 based laptop using a million programs and I managed to make a copy of it in .iso format also just incase but that didnt give much help. In the windows tools of the disk (the only officially windows accessible files on the disk) I was able to run a network installer program for installing it to macs over my wired/wireless network which I thought would work. Apparently not. I followed all instructions but the application says hold control or whatever on your Macbook Air so it might not be made for use with a G4 eMac. What other ways could I go about this? I dont have a firewire HDD or DVD drive, nor do I have a firewire cable and mac to go that route either. I've mounted the .dmg on the mac itself and ran the installer but it needs to reboot then it does nothing since its on the actual mac partition.
What I'm pretty sure will work, since I've done it to upgrade to Lion from Snow Leopard on a VM, is run some terminal commands to copy all the installer files and stuff to another partition/hard drive and make it bootable, then boot from said new hard drive/partition and install to the main one from that. Problem is, 10.4 doesnt allow me to make partitions without formatting the computer and if I do that I cant boot into os X to install the DMG to the partition and stuff. I have old hard drives in a spare computer that I MIGHT try connecting to the mac but I'm not sure if that will work very well since I doubt this machine has space for 2 full desktop hard drives in it.
Also I'm pretty sure non-intel macs can't boot from USB either so thats not an option.
Need your help guys! :D I know this will be an interesting one for you lot.