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hey I'm trying to get a multistage boot loader to work on VM Virtual Box but can't seem to do it.....Does anyone have experience with this type of thing?? Thanks in Advance.

It's 99% likely it's not VirtualBox, but the bootloader itself. "A multistage bootloader" is not descriptive enough to figure out what your problem could possibly be. Are you rolling your own? Using GRUB? LILO? NTLDR?

Thanks for the reply. I've been trying to roll my own. My main question is how to put the files in a format that Virtual Box will read. I know how to use dd a little to make virtual floppies, but i don't know how to get the two at the right memory locations and such

This is not a Virtual Box problem. You will face exactly the same questions running on any emulator or on real hardware. You need to do a little more research (or don't reinvent the wheel and just use GRUB).