USB booting :: Can't get dsl to boot

I have been trying to get dsl to boot on my pendrive(s) but have failed quite often. The error is always the same too. It says that it cannot find KNOPPIX and drops at a very limited prompt from which I cannot use my keyboard. The motherboard I am trying to boot from is an Epox EP-9NPA+ Ultra. It supports USB-CD, USB-HDD, and USB-ZIP booting. Please note that I have tried all of those methods with the same end result. Any help on this? Maybe change something in the bios?

OK. I mostly solved the problem. I updated my bios and now it boots up completely save for one small glitch which I have yet to figure out. It appears to be getting a ghost entry due to where it boots up from... During bootup and shutdown/reboot it gives the error "Invalid device sda1" and prompts me to press enter. I do so and it continues on its merry way. It gives the same error on shutdown. The thing is that there isn't an sda drive. It boots from sdc1 and sdb1 is my firewire drive.

Oh and the bios firmware is dated 10/18 but it was a prior one that probably fixed it. Release notes mention that USB-FD boot option was patched to make it so that a USB/PS2 keyboard would work on bootup but I believe it fixed all the USB boot options

You need to change your "Backup Device" from "sda1" over to a more appropriate choice like "sdb1" or "sdc1"

How do I change my backup device?

Oh and I should note that I got it to also boot from one of my USB-ZIP based drives (PNY Attache 512MB) and the message changed to show sda2.

It should be an option from the DSL main menu, if I remember correctly.

I am not using DSL at the moment.

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