My new PC has a 200GB S-ATA disk. After installation of OS-Selector, the Windows-Partition is shown correctly. I installed a SUSE Linux at the end of the disk (20 GB) into a logical partition in the extended partition. But the Linux Partiton with the "GRUB" Bootloader in the root partition does not show up in the OS-Selector menu. I found no way to include Linux to the OS-Selector menu. On my last PC, I had a smaller disk (120 GB), where the same configuration worked well.