First. Turn South Bridge Intel ICH8R and Jmicron JMB 363 into AHCI mode.
Second. You have two options to get openSUSE 10.2
running on ASUS P5B Deluxe.
Utilize SATA Optical Drive attached to Intel's ICH8R to install openSUSE 10.2 without any trouble.
Utilize IDE Optical Drive attached to Jmicron's PATA port.
Then proceed as follows:-