If the drive is not SATA and is IDE then you will not be able to as there is no IDE connector on the system board. IDE uses the multi-pin flat cable.
It is not really worth adding in a IDE card to the system either as IDE drives will be slower than a SATA drive.
XPS 720,Intel Core2 Quad Q6600
8GB OCZ HPC Reaper DDR2 SDRAM PC2 6400 at 800MHz
896MB EVGA GTX260 Core 216
320 Raptop&300Gb Serial ATA Hard Drives
Windows Vista Ultimate X64/Win 7 x64
16X DVD-ROM and 16X DVD+/-RW
X-Fi Titanium Fatal1ty pro PCIe Sound Card
Dell Studio XPS 1645
Win Vista Home Premium X64
Anyone who says something is foolproof
hasn't met a determined fool
Never Argue with an Idiot. They'll drag you down
to their level and beat you with experience.