Hard Disk issues under fedara

Hard Disk problems under fedara-general Linux technology-Linux technology and application information, the following is a detailed description. My computer has two hard disks, one is sata and the other is ide. in linux, it should be identified as an sda1 (sata hard disk) and one hda1 (ide ). (in theory), but my system is identified as an sda1 (ide) and an sdb1 (SATA ). why?
Root @ localhost ~ # Fdisk-l

Disk/dev/sda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065*512 = 8225280 bytes
Disk identifier: 0x0ea30ea2

Device Boot Start End Blocks Id System
/Dev/sda1*1 1275 10241406 7 HPFS/NTFS
/Dev/sda2 1276 8424 57424342 + f W95 Ext 'd (LBA)
/Dev/sda3 8425 9729 10482412 + c W95 FAT32 (LBA)
/Dev/sda5 1276 1289 112423 + 83 Linux
/Dev/sda6 1290 1550 2096451 82 Linux swap/Solaris
/Dev/sda7 1551 8424 55215373 + 83 Linux

Disk/dev/sdb: 320.0 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065*512 = 8225280 bytes
Disk identifier: 0xcfb3bb47

Device Boot Start End Blocks Id System
/Dev/sdb1*1 3916 31455238 + 7 HPFS/NTFS
/Dev/sdb2 3917 9138 41945715 7 HPFS/NTFS
/Dev/sdb3 9139 15665 52428127 + 7 HPFS/NTFS
/Dev/sdb4 15666 38913 186739560 f W95 Ext 'd (LBA)
/Dev/sdb5 15666 23498 62918541 7 HPFS/NTFS
/Dev/sdb6 23499 30028 52452193 + 7 HPFS/NTFS
/Dev/sdb7 30029 35250 41945683 + 7 HPFS/NTFS
/Dev/sdb8 35251 38913 29423016 7 HPFS/NTFS
Root @ localhost ~ #