I recently found an old gateway system that the school was throwing away.... I want to back up my hard drive so I asked and got the hard drive out of their system... the thing is... I don't know how old the gateway system is.... heres what was labeled on the old HD

Western Digital
Caviar 2850
AT Compatible Intelligent Drive
Drive Parameters: 1654 cyl * 16 heads * 63 spt * 853.6 MB

I checked the western digital site and I couldn't find this model.....