Help booting a system installed on a USB HD
I have a Macbook dual booting OSX and Mepis 7. I have a external HD partitioned with a backup partition, a general storage partition, and a partition for Mandriva one 09. I installed mandriva but GRUB failed to install. I want to edit the mepis boot loader to load mandriva but i'm pretty new so I'm not really sure how to do this. I have tried taking the info from the mandriva boot file and adding a loader to the mepis file but when I try to load it, it says it can't find the partition which is sdb5. I will post the mepis loader list but i have to restart to switch systems and I'm on OSX right now. Thanks for any help.