Thanks for your replies!

The cat /proc/partitions gave me /dev/hdd, /dev/jhdd1 /dev/hdd2 /dev/hdd3 /dev/hdd5. There is no mention of sd.. at all.

The hdd1 through 5 looks like the parallel ATA hard disk. It is supposed to have one dos parition, one ext3, one linux swap, so that is fine. The SATA hard disk is supposed to have one DOS and one ext3. My home directory is supposed to be mounted on the SATA. The size of /dev/hdd looks correct for the DOS and ext3, which were made the same size. If I try to mount it, it says busy or already mounted. So, I still have a DOS partition that I can't access.

Ideas?