how to boot from usb when my BIOS doesn't support it ?

i just downloaded openSUSE 11.4,i used to burn the .iso file to a cd and then boot using the CD.
recently my cd/dvd writer crashed and i was wondering could i boot from my pen drive in such cases,i also prepared a bootable pen drive but in my BIOS settings there is no option visble for such booting.
please help.

Some BIOS can boot USB pens as CD-ROM, some others can boot them as hard drives. Some can do both. And some just can’t boot from USB. Replacing your cd/dvd drive appears to be the solution in this case.

i’ll ge my cd/dvd drive replaced,but i just wanted to know that can’t i boot from my usb drive when bios doesn’t allows it.Is there any way to fool BIOS by creating any virtual disk through pen drive or something like that?
I just wanted to know that method because using usb is too handy for booting than carrying a cd always.

I’ll say no. A pen drive is not a virtual disk. It is either basically a real disk if it contains a partition table or it is more or less a real CD-ROM. However it is attached to a USB port and if the BIOS doesn’t allow it, noone is going to boot from there. Your mainboard must be pretty old, isn’t it?

Use PLOP Plop - Boot Manager - Free Boot Manager, builtin usb driver, native usb, boot different operating systems, cdrom, usb, freeware, option rom bios

plz explain steps of installing plop bot manager on windows vista(on hard disk)…
i’m finding it a bit confusing out there.

thanks a lot,John…ur method worked…!!!