Alrighty, received the 6500boot/6500main and decided to go through with the flash, in case others are interested the following is what I had to do to get it all to work.
First of all, my laptop would not boot to the 6500 because of a bios error. I tried booting the computer w/ my old drive, then hotswapping, but this wouldn't work. Instead I aquired a friend of mines Dell Latitude D600. In the Dell the drive was immediately recognized as Master UDMA. I then booted to dos using a BootCD and ran the 6500boot at the prompt. I then rebooted only to get an error, the dell no longer recognized the drive. So I placed the freshly flashed drive into my toshiba to complete the processes only to find that the drive was not recognized in there either. So I put back in the old drive into my toshiba, booted w/ the bootcd, once at the prompt I hotswapped the 6500 into the bay and then ran 6500main. On reboot I now have a working Master UDMA drive w/ no more IDE errors. I was even able to flash the drive back from 4.21 to 2.23 and I still have no errors. Having said all that, long story short, if your drive is getting IDE errors or being recognized as Slave, there is a fix using 6500boot/6500main but it will require access to a laptop in which the drive is detected as Master UDMA and some patience.