isolinux issues w/redhat 9

hey all
when i try to install linux on my old computer (ppro-200mhz, 64mb simm) i get an isolinux failed error: trying to wing it... and another error saying the load failed.. i can boot off a RULE/slinky cdrom and start to setup redhat 9 through there but it wont recognize my scsi drives.. any help on how i can get redhat9 to boot itself or how i can get slinky to work?

thanks