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I can't believe I'm asking this. But I swore to uphold my promise by making an OS without any person to person help. But I hope i'm still holding it, but I want to request reading material so that I can understand motherboard related specifications that handle serial ports PCI ports and etc. I have ACIP manual but's it freaking large and only talks about hardware states in the beginning and I want to know the information that the bios puts in the beginning of memory when the computer starts up. I also need to learn what serial ports are and such of the kind. I'm a noob at motherboard stuff, but my OS is pretty well, I've read the intel manuals pretty well and am writing my own assembler/disassembler. So any pdf's or anything?

http://www.ctyme.com/intr/int.htm is the best interrupt list ever if you're in real mode. Hell, it's even great if you're writing a virtual 8086 mode VMM.

Try googling for stuff on serial ports. If you're in real mode, http://www.ctyme.com/intr/int-14.htm has some info. Only read the stuff with "SERIAL - " in front of it, since that's standard IBM serial interfacing stuff.

Thanks for the link, but I have several BIOS interrupt lists and they all are specify well. I'll see if there is general explanation for ports.