This is not auto-detected with the default SuSE 10.1 kernel, because the advansys module has been deprecated. As far as I can gather this is because it has various problems, being quite old, especially with non-Intel (x86) architectures. At the time of writing, it is being re-instated in the 2.6.17 release candidate (RC) kernels.
A 2.6.17 RC kernel suitable for SuSE is provided by Alphagate. At the time of writing, they do not advertise the fact that they are preparing 2.6.17 kernels, but it is available on the download page. You can then `modprobe advansys' after boot-time. Alternatively, start `YaST2 -- System -- /etc/sysconfig editor'. Go to `System -- Kernel'. Add advansys either to INITRD_MODULES or MODULES_LOADED_ON_BOOT. If you decide to add advansys to INITRD_MODULES then you need to run `mkinitrd' as root to change the /boot/initrd-xxx files.