Ultimate Boot CD

Some (older) pc's have a CdRom, but booting from CD isn't supported. Is there a way to start the bootprocess from diskette and continue with the CdRom ? In the past I did similar thing for booting dos from a Diskette+Zip, by means of SUBSTing drive-letters. Would be great todo so with the UBC-cd in ...

First time user of UBD and, yes it's great !! I've read how to change the IBD, but would like to know how I can change some of the default settings : - the 3 second delay - the default keybaord layout - the "workgroup" default - and maybe others Is a description available somewhere, or can...