Atanere,
Sorry for the delay in getting back to you. Here's what I did...
When you get to the "erase disk and install Linux Mint" at beginning of install
SCSI3 74.4 GB ATA (0,0,0) (sda)
SCSI4 150 GB ATA (0,0,0) (sdb)
it defaulted to the SCSI3 disk. I changed it to use SCSI4 (the 150Gig...