Yep, I thought about that too. I don't think it'll work, for that reason alone, but it's still worth a shot, I guess.
Meh, I don't think I'm going to risk the BIOS flash.
I'm just going to start ordering the remaining parts for a complete custom build, that way I still have a decent PC while I'm building a better one. I'd hate to brick it and be stuck with my antique laptop for the duration of ordering and assembling everything.