Bootloader problems. Help?

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I have 2 burned CDs, one has Dreamshell, and the other has Dreamloader for booting via SDcard. Any time I use the Dreamshell CD, it can't see the SDcard, and if I use the DreamLoader CD, it works, but it takes a few tries for the DC to read the CD. Am I doing something wrong?

I would like to install DS to the BIOS, but my system is unmodded. I just want the boot CD to work right! >.<;